One tube 1t4 radio. rarecomponents (1,112) 96.

One tube 1t4 radio 1955 One Tube Transmitter. 2 thoughts on “ 1970 One Tube Superhet ” Daniel May 23, 2018 at 1:35 am. The radio is in fair cosmetic condition; it shows its age. Regen-RX . This can be done here as well with a 3:1 audio interstage transformer. The receiver tuned the AM broadcast band, amateur bands, or shortwave broadcast with the use of plug-in coils wound on the bases of old octal tubes. For example, where a 1T4* § May not work in all circuits. Obviously, a list such as this could not be too specific, without taking into consideration 1K6 — — — 1T4 — — — receiving tube substitutions 1s6-3b2 tube sub. tubesandmore. com Daniel Weismann January 18, 2020 at 1:42 pm. Amplifier works with many tubes like 6DJ8, ECC88, 6922, 12AT7, 12AX7, DAF96, 1T4, etc. One tube radios don’t get much simpler than the one shown here, which appeared in the November 1944 issue of Radio Craft magazine, having been sent in by one Reggie Baker of Miami, Arizona. The set was designed with wartime parts shortages in mind, and most parts were Seventy years ago this month, the October 1947 issue of Popular Science carried the plans for this simple one-tube receiver mounted on a chassis the size of a matchbox. For example, I have an article with the history of the “foxhole radio” popularized by soldiers in World War 2. Homebrewing of Receivers, Transmitters, Amplifiers, Measurement Tools and so on. FOR SALE! 1T4 Battery Radio Valve. Looking for a Tube not listed? If you can't find it, We'll find it for you! Email us at worldtubecompany @earthlink. Shop for handmade, vintage and unique Gadgets items from orient100 online on Etsy A 1948 era One Tube Regen, using a 6SN7 This site by Gary Johanson, WD4NKA, contains a number of interesting projects besides the regen, which is Project #1 on the page. Brand New. The tube that was listed as coming with these originally was a type 30 but the socket in this one is a miniature, possibly a 1T4 or similar th This amplifier has the option to use one or two 1T4 preamplifier stages to allow for various level inputs. Sign in to check out. At that time active elements were very expensive and therefore one element was burdened with several tasks. And I found a Transoceanic 3000 for $90 in working condition. A Mike Peebles "PO-425" two tube regen radio kit. Marconi appears to have made the Ever Ready Personal B (1947), or perhaps supplied the chassis with DK91, DF91, DAF91 and DL92 and box fitted by Ever Ready as the internal front panel is different. 36/ea Buy 4 or more for 10. com P-C70-A $ One Tube AM Radio For the electronics enthusiast who would like to build an updated version of a classic Radio Shack P-box kit, I've included schematics, parts information, assembly documentation, and pictures of a completed and tested One Tube AM Radio based on the original from 1968. It's a brilliant preamp or input tube - one of the very best there is. I also have a link to a 1922 newspaper article with details for building one. Marconi appears to have made the Ever The Armstrong One Tube Radio covers the Standard A. But it came with the dial broken, so it was returned. Here is a side view of one assembled Type 30 to 1T4 Vacuum Tube Converter. The circuit was described as a split Hartley with a type 30 tube. T23 . Designed and constructed by a retired EE. The three sections of the tube acted as local oscillator, IF amp, and AF amp. 1T4 3S4 1613 6AB7/-1853 1LH4 1LC6 1LN5 3LF4 7Z4 3B7/1291 1R4/1294 VR90-30 3D6/1299 575A 7E6 7F7 7H7 316A 7A4 7C7 7J7 1005 6W5G 5Y3GT/G RF/IFPentode DF91 W17. Leave a reply. Thanks for reminding me I need to pick up some more. La Radiotechnique. The 01a is not a power tube - no way. 1T4 Battery Radio Valve New Old 267019940068 This Gadgets item by orient100 has 15 favourites from Etsy shoppers. In 1938, QST published a one tube "modern" regen sporting This is a similar circuit on 49 meters --->Dave's Homemade Shortwave Tube Radio Using The Well Known 1T4 Tube In A Regenerative Circuit The 1t4 tube is a Remote Cutoff Pentode. 1s6 1t6 e 2d21w 2d21 5727 1t4 1l4 g 1u4 g 2e5 2g5 1t5 1a5 g 2e30 5812 1t6 1s6 e 2e31 2e32 1u4 1l4 g 2e32 2e31 1t4 g 5910 e 2e35 2e36 iv 6z3 e 2e36 2e35 1v5 1ac5 e 2e41 2e42 1x2b 1h2 g 2e42 2e41 2a3 45 g 2g5 2e5 5930 e 2a3w e 2g21 2g22 2a3w 2a3 g 2g22 2g21 45 g So in my previous post, I said that I was looking to upgrade from my Reader's Digest RDA-127. This low-voltage one valve radio circuit uses the 6j1p pentode to operate as a triode. EN Armstrong One-Tube Radio Kit Borden Radio Company; Houston, TX, build. I built a regenerative reciever kit that used two 1T4 tubes, one as an RF amplifier and the other as the regenerative detector. 28. Add a couple of stages of audio amplification and you have a radio design that provides hours of fun and listening pleasure! it is a good idea to check for a major short circuit. Condition: Used Used “ NOS, NIB, never used, guaranteed to work. This is a New Old Stock 1T4 radio pentode valve (equivalent to DF91) designed to run on a low voltage battery "Accumulator" supply with a 1. 4 or more for $10. It had a 1T4. The thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 47 mm 19 dec. 6-1/2"W x 5-1/2"W x 5"D. Get a par of 31 - cheap enough - and use them as drivers. I've built both the one valve variometer tuned Step by step How to build a One Valve Tube Radio. Vezi mai multe idei despre lămpi, electronice, radio amator. The magazine noted that this simple circuit was one of the most useful pieces of equipment you can build. For example, where a 1T4 1AJ4* 1T4SF 1AF4, lAM4 1T5GT 1A5G, 1A5GT 1U4 1U5 1DN5 1U5SF lAS5 1U6 1L6* 1V 6Z3 1V2 1V6 1W4 1X2 1X2A, 1X2B 1X2A 1X2B 1X2B 1Z2 receiving tube substitutions is6-3b2 tube sub. I also have links to this and this radio, both from 1914. This project manual should help. 75" Great retro gift! Title: 1T4 Author: Brimar Subject: DPo-FP-2006-03-05 Created Date: 3/5/2006 10:50:07 AM In the 1950s there was a book of electronics and radio for interested boys. For example, where a high heater-to-cathode potential exists, a 6AX4GTA 1T4*, 1U4* 1C5GT The 1T4 is a miniature screened pentode for dry battery operation. Posted: Feb Sat 08, 2014 8:31 pm . Depending on the distance, prices change between 22 - 50 USD for the first 500g of weight. com Pingback: 1938 Miniature UHF Transceiver | OneTubeRadio. Tube 117Z6GT or Röhre 117Z6GT ID3989, High-vacuum Rectifier, Octal (Int. triodes. It is surprisingly ONE TUBE AM RADIO Catalog Number 28-100 This tunable AM radio, similar to the very early receivers, is simple in design and easy to build. The cathode is then a separate element with a filament that is just a heater. The radio is a superheterodyne and uses a 1730 Khz IF (Intermediate Frequency). Amongst AM radios there are a number of different topologies you can adopt, the simplest employing only a single tube. Presently it's a two tube regen, 1T4 for the regen stage followed by a 3V4 AF amplifier, 36V B+, and the following controlables: 8/30/04 2 stage Tube Radio Australia, ! Help to find that old radio you want. So as one-tube broadcast radios go, this is about as sophisticated as they get. This uses the s 1T4(2) 20: 3-Vacuum Tube Straight Radio: Straight in the sense of stage after stage, I believe. g. perf. 1 1T4 Radio Tube V1 amplifiedparts. A (6) piece set of classic radio tubes. Sponsored. 1947 Trader Service Sheet (suppl. 2024 - Explorează panoul „radio lămpi” creat de Ghita pe Pinterest. Top Rated Plus. January 2012 New for 2012. I Pentode (5) HF-ZF-Stufe, Regelung / RF-IF-Stage, Controlling / RF-IF Stage, Commande Miniatur-7-Stift B7G / Miniatur-7-Pin-Base B7G As for myself, I hold an FCC Radio/Telephone license and I'm a Certified Electronic Technician. 0003mfd. Tube is a 1T4 This tunable AM radio, similar to the very early receivers, is simple in design and easy to build. perf, 1s6 1t6 e 2d21w 2d21 g 5727 e 1t4 1l4 g 1u4 g 2e5 2g5 e 1t5 1a5 g 2e30 5812 g 1t6 1s6 e 2e31 2e32 e 1u4 1l4 g 2e32 2e31 e 1t4 g 5910 e 2e35 2e36 e iv 6z3 e 2e36 2e35 e 1v5 1ac5 e 2e41 2e42 e 1x2b 1h2 g 2e42 2e41 e 2a3 45 g 2g5 2e5 e 5930 e 2a3w e 2g21 2g22 e 2a3w 2a3 g 2g22 2g21 e 45 g 5930 e 2t4 2af4 g Radio parts were in short supply during the War, and radio enthusiasts had to make do with what they had. Inside, you'll find a typical set of miniature tubes (1T4, 1R5, 1T4, 1U5, 3V4). Someone was The 1T4 is a miniature screened pentode for dry battery operation. Select the department you want to search in. It provides good general-coverage reception of the short-wave bands from 1. Type Substitutes Base Diagram; 1T4: 1L4, 1U4, 1AE4*, 1AF4*, 1AJ4*, 1AM4*, 1T4SF*, 1T4WA: Notes: * - Parallel filaments: Sylvania Type 1T4 is an r f remote cutoff pentode of the miniature style of construction. 59 shipping. These were sold by Lafayette Radio in their 1939 catalog. Amateur Radio Website. It offers good sensitivity and selectivity and is very portable, powered by two 9-V batteries. Check out as guest. One version has used Marconi (MOV) X17 W17 ZD17 N17 and other DK91, DF91, DAF91 and DL92 (both essentially the RCA 1940 1R5 1T4 1S5 1S4 series used in the BP10). Rotate the Gakken Vacuum Tube Radio Kits. Anyone remember the article or have it available to copy? PS: Why do I have to download the entire 1. 1. This extremely simple and low cost circuit performs surprisingly well with 9 V high tension (HT) rail, and 6. One of the sets, the model 646A, was dubbed an “invisible radio,” whose “phantom dial” would disappear when turned off, turning it into a beautiful end table. The set used few parts beyond the 1S4 tube. The tuning cap was . For example, where a 1AM4, 1T4SF, 1T4* 1AM4 1AF4, 1AJ4, 1T4SF, 1T4* 1AN5 1AQ5 1R5SF, 1R5* 1AR5 1AF5, 1AH5, 1S5* 1AS5 1U5SF, 1U5* 1AU3 1AX2 1H2, 1S2A 1B3GT 1AU3, 1G3GT, 1G3GT/1B3GT, 1J3, • A (6) piece set of classic radio tubes. What I would do is what I've done with great success - use it as an input tube in an all-DHT amp. DF91 = W17 = 1K2 = 1F3 = 1T4: First year: Jun. This valve is probably new & in its original box (NOS new old stock, NIB new in b 1970 One Tube VLF Receiver Fifty years ago this month, the December 1970 issue of Science and Electronics showed how to make this one tube VLF receiver with a tuning range of 13-28 kHz. Before inserting tube V1, turn the radio on with the volume control. Jul 18, 2011 3 0 11. Vacuum Tube socket adapter with 1T4 tube. It’s essentially a crystal set, with the crystal replaced by 6 thoughts on “ 1944 One Tube VHF Transceiver ” Pingback: 1957 Springfield Enterprises VHF Transceivers | OneTubeRadio. News, arts, drama, music, documentary and debate on 88-90FM, LW252, online, digital radio, satellite, iOS and Android. Allows use of 1T4 tube in 4 pin socket originally designed for the 01A tube. Antique Radio Forums Index » Category » Homebrew Radios and Equipment. Drawing only 50 milliamperes, ELECTRON TUBE / Radio TV Audio Valve - 1T4 - (NOS) - $6. As you can see my work is never done. Unboxing a National Union Radio Corporation 1T4 VT-173 pentode vacuum tube. Tested with Lafayette TE-50. Many tube portables demand two separate battery supplies, but this set takes a single battery, specified on the inside sticker as RCA VS-019. I built that radio up to last detail, even bought the type 30 tube ( 1930s vintage vacuum tube). Delivering to Kassel 34117 Update location Electronics & Photo. It could operate with two dry cell batteries. It is especially designed for radio frequency amplifier service in compact, light weight, portable equipment. The Brimar version of this American design was introduced in 1949. Welcome to my eBay store. 2" x 4. The thin glass tube envelope is Tube 1L4 or Röhre 1L4 ID2623, Vacuum Pentode, Miniatur-7-Pin-Base B7G, USA 1940 and RF/IF-Stage shown. Hello, I have been looking for One Tube FM Super Regen Receiver - 12BH7A Tube Radio works with 12V DC. Seventy-five years ago this month, the July 1942 issue of Popular Mechanics carried the plans for this simple one-tube regenerative receiver. law@usa. KA1GUK Member. e. The following should be direct substitutions. You can enjoy hours of listening pleasure and, at the same time, learn about the fascinating world of electronics. One of each type; 1R5 1T4 1U4 1U5 3S4 3V4. de. Here is a top view of an assembled Type 30 to 1T4 Vacuum Tube Converter. Two converters are required for my project. As already mentioned, the heart of the Pipsqueak is the 1T4. 1s6 1t6 e 2d21w 2d21 5727 1t4 1l4 g 1u4 g 2e5 2g5 1t5 1a5 g 2e30 5812 1t6 1s6 e 2e31 2e32 1u4 1l4 g 2e32 2e31 1t4 g 5910 e 2e35 2e36 iv 6z3 e 2e36 2e35 1v5 1ac5 e 2e41 2e42 1x2b 1h2 g 2e42 2e41 2a3 45 g 2g5 2e5 5930 e 2a3w e 2g21 2g22 2a3w 2a3 g 2g22 2g21 45 g 5930 e 2t4 2af4 2af4b Tube F 1T4 or Röhre F1T4 ID64379, Solid-State-Diode, Wires and Power-supply shown. 5 Mhz - 4. Mike has burned the midnight oil to bring you his newest creation. 1T4 ~ DF91. Super special price for this radio on Attic is Aug 17, 2023 - This Gadgets item by orient100 has 12 favorites from Etsy shoppers. This problem would disappear if a vacuum tube with an indirectly heated cathode had been used. 5 for B battery. 1T4 / 3V4 Regenerative Portable I wanted to use tubes along the same lines as the 3S4 and, at the same time, have a late 50s style. Another Hartley oscillator was used in the circuit shown below, a 100x RCA NIB JRC 1T4 Vintage Vacuum Radio Electronic Tube NOS CV785 Pentode W17. It is a JRC 1T4 type tube, designed for use in military radio applications. The rig used a single 6AQ5 tube to put out a signal on the 80 or 40 meter bands. https://www. All metal and plastic with leather handle. The book had a one-tube regen receiver that used a 1G4 or 1H4 triode. It has a B7G base and was introduced around 1940. Octal, IO) K8A, USA 1935 and Power-supply shown. T. The set ran directly off AC power, with a transformer supplying 120 volts B+, rectified through two silicon diodes, as well as 6 volts for the filament of the single 6AQ5A tube. Construction and design details are at http://w0vlz. The Picked this little battery-op tube radio up from a flea market for about $5 here in France. The thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 45 mm tall. This big-shouldered radio has a Watch all the latest BBC Radio 1 Live Lounge videos including Taylor Swift, Billie Eilish, Lana Del Rey, YUNGBLUD, Mabel, Lewis Capaldi, Jonas Brothers, and This is a New Old Stock 1T4 radio pentode valve (equivalent to DF91) designed to run on a low voltage battery "Accumulator" supply with a 1. So, i made something like in the 50’s, a regen employing two vacuum tubes 1T4. radios-n-stuff (18289) Tubes, Other Ham Radio, ICOM, Yaesu, and Kenwood. No model number, just the brand "Radio Reve". of Wireless & El. 75. One customer reported that, "The Performance is AWESOME!" You will love building this little jewel. . This Gadgets item by orient100 has 15 favorites from Etsy shoppers. tube sub. Sellers with highest buyer ratings; Returns, money back New Listing Vintage ARDSLEY "Baby Super" DX-90 Portable Tube F 1T4 or Röhre F1T4 ID64379, Solid-State-Diode, Wires and Power-supply shown. Directly heated cathodes are still familiar circuit elements in ham radio designs, even in 2022. One tube 1T4 regenny : Page 1 of 1 [ 7 posts ] Previous topic | Next topic : Author Message; pentagrid Post subject: One tube 1T4 regenny. Do not replace a tube in the right-hand co lumn with one in the left OA3 OA3A, VR7S lAE4*, 1T4* OA3A OA3, VR7S lANS OA4G lAQS 1 RSSF, 1 RS* OAS lARS lAFS, lAHS, lSS* 082 lASS 1 USSF, 1 ONS*, 1US* 083 083A, VR90 lAU2 083A 083, VR90 lAU3 lN2,lN2A OC2 lAY2 1 Ireland's Number One. This valve was purchased new in 1963 to build a one valve broadcast receiver. Originally released in 1940, the 1T4 was one of the new generation of miniature B7G base valves that made small portable radios a much more Tube 01A or Röhre 01A ID3654, Triode, vacuum, UX-Base (4 Pins (2 thick, USA 1924, UX) and Universal shown. Originally released in 1940, the 1T4 was one of the new generation of miniature B7G base valves that made small portable radios a much more Do not replace a tube in the right-hand column with one in the left-hand column because this may result in a tube with lesser qualifications being used. ,” a resident of Bothell, Washington, apparently had in his junk box a 1D8GT tube, and a low-impedance earphone, and wanted to know what he could do with them. Someone was Buy A 1T4 Tube Shortwave Regen Radio Crystal Clear online on Etsy India. Please add me to your list of favorite sellers and visit often. 4 payments of AU $4. Join me as we take a look at a project that I constructed. Now we are in a new millenia, and radio is over one hundred years old. Free circuit diagram. 01A To 1T4 Vacuum Tube Socket Adapter With Tube. RareComponents (1119) 96. One thought on “ One Dollar, One Tube Radio, 1935 ” Beda February 3, 2016 at 12:37 am. For example, where a high heater-to- 1AE4*, 1T4*, 1U4* lAH5, lAR5, 1S5* 1AF5, 1 AR5, 1S5* To Replace Use 1 Ai 4 lAM4 lAN5 1 AQ5 lAR5 lAS5 1AU2 1AU3 lAX2 lAY2 lAY2-A 1 B3GT 1 64 1B4G 1 B4P 1 B4T Tube VT- 4 or Röhre VT-4 ID28897, Transmitting Triode, air cooled, Jumbo 4-pin bayonet (1918) and Universal shown. 4 volts DC. The author, James Rozen, notes that “even if you are somewhat of an advanced hobbyist, you can still delight in an antique technology as you listen to the radio by the glow of As an aside: In about 1971, for Christmas, my parents bought me a Heathkit SW77. 2MB file, just 1945 One Tube Radio. It really works! You have to build NOS in original boxes, from service packaging 100 pcs box, all same codes, WWII JAN batch. You even can look up 1967 One Tube CW Transmitter Fifty years ago, the March 1967 issue of Electronics Illustrated carried the plans for this simple 40 meter CW transmitter. The voltages required were different although. DH63 6Q7 G No changes. The late 50s/early 60s ARRL "How to Become a Radio Amateur" featured a two tube regen with a 3 1/2" National type K dial. Check Details. JAN US NAVY surplus These directly heated AF & IF pentodes intended for use in small battery powered old portable and car radios ( receiving tube substitutions 1s6-3b2 tube sub. More or less Here you find 1299 models, 1181 with images and 117 with schematics for wireless sets etc. I never actually made a contact with it, but this was actually a one-tube transceiver for 80 meters. Demonstration of a two tube regenerative receiver using a 1T4 regen detector and a 3v4 AF stage. 0: 6AR5, 6X4, 6BD6: 21: Hybrid Receiver [In Dutch] Schematic Only. DF96 1AF4 G No changes. This is a seven-pin glass vacuum tube designed for service in battery-powered receivers. Many one tube regen radios have 45 to 90 volts B+ going through the headset. Ships from Turkey. is one of the only ways selectivity can be accomplished without sacrificing sensitivity. The item is "As described" That magazine was itself taking a nostalgic look back at the early days of radio with a construction article for this one-tube regenerative receiver, similar to the circuits in use in the 1920’s. During late 1950s and early 60s swapping the tubes for lower current ones was popular. Rear view of the assembled kit. The sensitivity of this single tube small radio is great The 1T4 tube is located on the top of the radio, so you can watch the glowing tube while listening. Tested Tube 1S4 or Röhre 1S4 ID3087, Vacuum Pentode, Miniatur-7-Pin-Base B7G, USA 1940 and Power/Output shown. Direct Conversion: 21. It Get the best deals for 1t4 Tube at eBay. All powered by one of the flatish Ever You can always plug the "correct" one later. ) December 13th 1947 You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. 6 to 25 MHz, which includes the 80, 40, 30, 20, 17, 15 and 12-m ham bands. Gakken is a name familiar to me, as it was their "Denshi Block" SR3A electronics kit given to me in 1976 which did a lot for my electronics knowledge. 1T4 Author: Tung-Sol Subject: FP-2003-08-28 Created Date: 8/28/2003 9:53:36 PM 1T4 ~ DF91. Here is a picture of a new regenerative tube radio I am building that employs one 1T4 Pentode tube for RF application and another 1T4 Pentode tube for AF application. The detector was a 1N34 diode, and the rectifier was a solid-state bridge rectifier. The plans for this handsome little one-tube receiver appeared 75 years ago this month in the April 1947 issue of Radio News. • Parallel·filament circuits. 75 years ago this month, the September 1944 issue of the British publication Practical Wireless carried the plans for this very basic wartime one-tube regenerative receiver. Interest in the Regenerative receiver is still growing, lately thanks to the internet and e-mail groups. Regenerative Receiver - Regenerix 2018 Description. Home Projects. 8 t Series circuits not requiring controlled warm-up time. Tube 1T4 or Röhre 1T4 ID429, Vacuum Pentode, Miniatur-7-Pin-Base B7G, USA 1940 and RF/IF-Stage shown. F. The 1T4 is a miniature screened pentode for dry battery operation. You reach this tube or valve page from a search after clicking I built a regenerative reciever kit that used two 1T4 tubes, one as an RF amplifier and the other as the regenerative detector. Buy It Now +C $35. This one doesn't. The set employs a 1T4 vacuum tube as an RF amplifier and another 1T4 regenerative detector. diode triode to replace Type 7K7. You will note that this receiver can use the same coil data as the Jones "1-tube" regen shown in #8 above. It's a One Tube Regenerative Radio. Free returns. One Tube Transmitter! Based on the Antique Electronic This build guide provides instructions for creating a 2-tube regenerative radio, including necessary parts and step-by-step assembly. Usually, it is a high voltage that A one-tube AM radio transmitter based on the phono oscillator transmitter kit from Antique Electronics Supply http://www. Listed on Sep 13, 2023 This radio utilizes a 8 ohms speaker so you don't need to use headphones. There is a switch that switches between having one or two of the stages active. The one tube employed was a 6M11, a triple tube consisting of two triodes and a pentode. There were two errors in this article: the screen grid resistor was shown connected to the anode side of the phones, rather than direct to HT+ve, and the circuit diagram omitted the connection from HT-ve to LT-ve. Thus, the substitution may be physically impossible in some compact equipment. The 1S5 tube used in our receiver has a directly heated cathode. MIDDLETON A RIDER PUBLICATION. To Replace Use lAF5 lAR5, lAR5, 185 The 1T4 is a miniature screened pentode for dry battery operation. Reply. It used a dual-triode 12AT7 tube. The AA8V Twinplex Regenerative Receiver (uses 6SN7s) but don’t understand what I need as a transformer to run a speaker. RADIO Its usefub ness lies in substituting for tube types which have become—- for one reason or another — difficult to get. The internet is amazing! Ado_PO: One Tube Regenerative Radio: Monday, September 28, 2009 4:11:11 PM: Very simple circuit indeed. One transistor version is here. heating voltage 1,5 One Valve Recievers Subject: Radio Keywords: EBook Created Date: 20060131215716Z Some of my earlier articles have shown crystal radios from the early days of radio. Do not replace a tube in the right-hand column with one in the left-hand column because this may result in a tube with lesser qualifications being used. Obviously, it could be used as an extra receiver, but could also be put to other uses as well. In the stead thereof, I got for Christmas a one tube TRF radio kit by "Hear All Continents" (HAC). Ships from Türkiye. If Purchasing More Than One Tube. It's not in The valve used was a DF91 or in my case a 1T4; the coil was one of the green Denco LW & MW with reaction types, the LW not being used. “H. 0005mfd and reaction . Philco 6Q7GT dual diode/triode radio tube,tested great!,6Q7,metal base (#395205370645) See all feedback. You even can look up A cumulative index listing the tube types treated in the basic book and the 3 supplements. Tube 01A or Röhre 01A ID3654, Triode, vacuum, UX-Base (4 Pins (2 thick, USA 1924, UX) and Universal shown. Dispatched from Türkiye. rare square getter (one of the 1st versions made by Sylvania!!!), matched pairs available. This is no longer necessary and Do not replace a tube in the right-hand column with one in the left-hand column because this may result in a tube with lesser qualifications being used. DF92 1L4 G No changes. This tbe was designated VT-4 by the United States Army Signal Corps and was used in 1918 in World War One. Crystal radio kits, tube radio kits, they are all here at Peebles Originals. For corrections, see the The fifth edition of Fun with Radio (1969) repeated this The 1T4 is a miniature screened pentode for use in battery-powered devices. These radios are designed as they were in the 1950's. Have one to sell? Sell now. The tube that was listed as coming with these originally was a type 30 but the socket in this one is a miniature, possibly a 1T4 or similar th 5pcs RCA NIB JRC 1T4 Vintage Vacuum Radio Electronic Tube NOS CV785 Pentode W17. It has provision for operating on an external ac supply and can be user building tube-type gear somewhere in the 50’s or 60’s, all you will likely need is a copy of the QST PDF download and a soldering iron! If you came into Amateur Radio in the age of solid state devices, you may still be tempted to build one, but there are a lot of new “old” things you will have to learn. Opens in a new window or tab. The inner tube from a kitchen towel makes an acceptable former for a medium wave coil. com. The design I'm new to the forum and wanted to share this little set. The set used a 6U8A dual triode-pentode, with half serving as regenerative detector and the other half AF amplifier. You can enjoy hours of listening pleasure and, at the same time, learn about the fascinating In 1938, QST published a one tube "modern" regen sporting a 6F8G and used transformer coupling between detector and audio stages. One tube, One Transistor, One IC. I never saw the ad when I was a kid. 45 1 Antenna Coil L1/L2 amplifiedparts. It was designed for radio reception and is a variable μ RF device. You even can look up radio Tube Interchangability Reference. Listed on 16 Sept, 2024 These were sold by Lafayette Radio in their 1939 catalog. I'll show you how it's cons Hi, this is John, Survivalist2008. C $190. I'm already knee-deep in radio restorations and this one's case is in pretty crappy, incomplete condition - so I want to convert into a little 'color box' amp. Search Amazon. That sort of style was what I was looking for. I thought it was in "Boy's First Book of Radio" by Morgan, but that's not it. Opens in a new 1945 One Tube Radio. EUROPEAN — AMERICAN TUBE SUBSTITUTION DF91 1T4 E No changes. rarecomponents (1,112) 96. Buy It Now (5) NOS La Radiotechnique 1T4 radio tubes in original boxes,DF91,Matching DC lot. one 1T4 RT La Radiotechnique tube neuf en boite NOS & NIB worldwide shipping in well made postal small postal letter. DH77 6AT6 E No changes. This info may help, for those who want to build the radio to tune the MW AM broadcast band: 'The coil is wound on a pencil form and is 70 turns of Litz wire. The valve was specified as 1T4 or DF91, with the layout showing pin connections to suit. blogspot Demo of my implementation of the 12 VDC 1-tube (12AU7) all band regenerative receiver based on an original Thomas and Kosmos desing Type 1 1A0-1XX Vacuum Electronic Radio TV Tubes Replacement Substitute Table ----- Original Pin for Pin Replacement Substitute Tube Type * = In parallel heater circuits only % = Temporary service only ----- 1A3 DA90 1D13 1A4 1B4 1A4P 1A4 % 1A5 1C5 * 1G4 % 1Q5 * 1A6 1C6 * 1A7 1B7 * 1C7 * DK32 X14 1AB6 1AC6 * DK96 1AC5 1V5 1AC6 1AB6 DK92 X18 Do not replace a tube in the right-hand column with one in the left-hand column because this may result in a tube with lesser qualifications being used. Broadcast Band from 550 KHZ to 1700KHZ. I was able to buy most of the parts at Lafayette Radio Electronics, Long Island, NY. This entry was posted in Radio history on February 4, 2020 by clem. Learn about the technology and significance of this antique radio artifact. You can build a simple crystal radio with a self-resonant coil and amplify it at AF. Regenerative receiver radio tube armstrong triode schematic fet detector coil vacuum antenna techy tuesday ago years Verkäufer: mytubesshop ️ (144) 100%, Artikelstandort: Douarnenez, FR, Versand nach: WORLDWIDE, Artikelnummer: 335170934063 one 1T4 RT La Radiotechnique tube neuf en boite NOS & NIB. 6 Mhz Range 2 2. 5 Mhz Range 3 4. // BY H. A D cell and five 9V transistor batteries wired in series will work to power this 1T4(2) 20: 3-Vacuum Tube Straight Radio: Straight in the sense of stage after stage, I believe. This radio kit will cover the AM radio band along with the SW radio band. I think it needs new tubes. ONE 1T4/DF91 SIEMENS NOS GERMANY Tube Röhre Lampe TSF 진공관 真空管 Valve Valvula. 1 watchers. com Pingback: Wartime Emergency Radio Service (WERS) | OneTubeRadio. Unfortunately one evening a while back I got the supply terminals confused and put the 45 volt B+ across the tube heaters. It most closely resembles the Jones "Gainer" shown in the Jones book, "The Radio Amateur Newcomer" mentioned above. It’s essentially a crystal set, with the crystal replaced by Although I much prefer tubes, this one should satisfy those who may want to build and use a more "up-to-date" version. No high voltage required. CONSTRUCTION : One word of caution - with the added amplifier turned up the set picks The result is a very simple circuit consisting of only one tube and a handful of components that produce amazing results. de: Electronics & Photo. It has four coil boxes, to enable it to cover four frequency ranges. Radio tubes are valves. Ever Ready Model N3 is essentially just the Ever Ready N with the valves swapped. 4V Heater and with a low HT voltage usually between 45V and 90VDC. All times are UTC . It was called, The Unicorn, and I built one in the Summer of my 12th year (1973). You will find thousands of tubes or valves with interesting links. Vacuum Tube. Since the plug on the battery cable has five pins, I assume this battery was a compound unit supplying more than one voltage. There is a very nice schematic diagram of the radio with a parts list, all on one page. The radio does not work. There is some doubt whether the vibrator power supply was ever issued as no one has ever seen it, and it is not listed I made an antique radio, just for old times revival’s sake. I received an e-mail from someone who than one inch taller and a half inch larger in diameter. In French: TSF for Télégraphie sans fil. K. The set employed a 1D8GT dual tube, half of which served as detector, with the other half serving as AF amp, providing about 100 mW of audio to the speaker. Tested OK. One exception is the television converter tube which being usually a high frequency duo-triode is listed with the H. Trader, etc. Vacuum Tubes on Amazon. 0 V heater. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Skip to main content Last one. 9% positive; Seller's other items Seller's other items; Contact seller; AU $19. This is a two section DX Do not replace a tube in the right-hand column with one in the left-hand column because this may result in a tube with lesser qualifications being used. So, I've got this thing about the 1T4. If I had, I’m sure I would have lusted over it. In valve/tube nomenclature HT is simply a term that describes the supply voltage between the anode and the cathode. com T-1T4_DF91 $ 4. One Tube Regenerative Radio: Saturday, January 22, 2011 10:36:23 PM: It's been many years since Tandy corporation has put out th one tube radio kit. Shop by category I ordered a vacuum tube for a AM radio build from this seller, the tube was packed professionally and arrived in perfect condition. Member: Joined: Feb Sat 08, 2014 6:43 pm Posts: 83 Location: Arvada, CO Hello all, this in 1988 and Initial tube selection: 1T4/1U4 RF/Regen, 1U5 1st Audio, 3Q4/3S4/3V4 AF output. For example, where a high heater-to-cathode potential exists, a 6AX4 will hold up, whereas a 6W4 1AE4*, 1T4* 1 B5 1B5/25S 1B6 1B7G 1B7GT 1B7GT/G 1 B8GT 1BC2 1 BH 2 1BK2 1 BL2 1C3 1C4 1C5G 1C5GT 1C5GT/G 106 To high voltage rectifiers. Skip to main content. M. I tried a small Radio Shack audio transformer, but it started to A couple of years ago, I actually did build a one-tube radio. When it comes to one tube radios, they don’t get much simpler than this one, which appeared 80 years ago in the January 1945 issue of Radio Craft. Its powerful circuit pulls in amazing BCB DX from hundreds of miles away. This is an unopened Electronic Education toy made by Science Fair. It is easy to construct This is a vintage RCA Victor vacuum tube from October 1953, manufactured in the United States. 1T4 Vacuum Pentode A radio tube from RT France. com/watch One version has used Marconi (MOV) X17 W17 ZD17 N17 and other DK91, DF91, DAF91 and DL92 (both essentially the RCA 1940 1R5 1T4 1S5 1S4 series used in the BP10). In 1967, the publishers of Electronics Illustrated and Mechanix Illustrated presented this little one-tube receiver in a publication entitled Practical Electronics. derosnopS. As an example o(its use let us consider the selection of an F. Other television tube functions have been included with the corresponding radio receiving types. There are no problems with stray capacitance in the headset cord to throw you off while tuning a weak station. The filament of the tube is rated for 1. So he wrote to the editors of Radio Craft magazine asking for a diagram of a receiver This little radio is one of the first portables ever made! It uses the following tubes: 3S4, 1T4, 1S5, and a large 117Z3. I made some tests with one 1T4 (DF91) regen, some configurations work, some not However one of my faults in the past was related to the x-tal earpiece. The unit quantity is one, and it is a NOS (new old stock) item. 5 Mhz - 8 Mhz Range 4 8 Mhz - 15 Mhz CONTROLS The radio has four controls, all on one side. A. FREE Radio Projects. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. The concern I have is that if only the first 1T4 tube is selected there still is a connection between the plate of the first 1T4 tube and the grid of the hams to learn radio basics. 1AJ4 E No changes. Back to home page Return to top. Customers have reported distances over 1500 miles when conditions are right. com/ . 5 V DC for the filaments and 45V DC for the plate current. You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. Anyway, for deciding on DAF91 vs DAF96 and DF91/1T4 vs DF96 you need to know if it's parallel or serial. Seventy-five years ago today, the July 22, 1946, issue of Life magazine carried this ad showing the postwar radio lineup from Bendix, manufactured by the radio division of Bendix Aviation Corporation. 3%. Sold at Radio Shack 1980's One-Tube AM Radio Kit Electronic Project Kit model 28-100 the seals are still in place and it sounds like all the pieces are there I will not open this because it would depreciate the value there is a crack in the cover (see photos) box is 5. AM radio is more straightforward to receive than FM. DF904 1U4 G No changes. 4" x 1. All parts and tubes are there. ID18682: Amazon. Also, an audio amplifier can be connected without altering the circuit. And I got plenty of good suggestions, including one that would tempt me to save up or find a working Zenith Transoceanic radio. youtube. Pinout as seen from the bottom of the valve. However, I am not a radio engineer and I will not pretend to be one. net. References: Data-sheet & 1040. One Valve Radio Circuit. possibility of grouping the delivery, see my other ads. 36 each one. 00. If anyone wants to change their It's a One Tube Regenerative Radio. It's not really a driver tube either, and note it's max Vp of 135v. Online Radio Resources. Power for this receiver is 1. from Turkey. 94 with Afterpay. Explore the vintage 1943 one-tube receiver, a piece of radio history that revolutionized communication. Listed on Sep 16, 2024 RADIO TUBE SUBSTITUTION LIST CANADIAN GENERAL ELECTRIC COMPANY LIMITED. They are: Range 1 150 Khz - 1. net Or call us at 253-756-6489 Tube Substitutions for: 1T4 Remote Cutoff RF Pentode. It was released as the 211A commercially in 1921. The audio output is fed to an LM386 audio amplifier IC mounted on a board beneath the speaker. I built this in 1988 and just recently dusted it off and added the transparent plastic front panel (cut from a clipboard). 5 V for A battery and 22. Save up to 12% when you buy more. The tube is suitable for collectors of vintage audio and video equipment. It had been sent in to the magazine by one Philip Dennison of Salina, Kansas, who noted that it worked as well as much larger radios. Sixty-five years ago this month, the February 1955 issue of Popular Electronics carried the plans for this CW transmitter especially designed for the Novice. But Western Radio of Kearney, Nebraska, produced the Weskit BN-1, which used a single tube for both transmitting and receiving. I finally found the receiver circuit at Bob's Data: Useful Tube VT- 4 or Röhre VT-4 ID28897, Transmitting Triode, air cooled, Jumbo 4-pin bayonet (1918) and Universal shown. OE3HBW Home Projects Regen-RX. Jul 19, 2011 This forum does not allow a single user to have more than one username. lya saxu lle ozf txh gtb yfvc yudbkvcu cwoz szgh