In French: TSF for Télégraphie sans fil.Īll listed radios etc. Here you find 20 models, 17 with images and 5 with schematics for wireless sets etc. The pair had the idea of reversing the regeneration to squelch oscillations in the circuit. In 1923, Tuska and Robert Miner developed a modification of the original regeneration circuit which was called the "Superdyne". Possibly the earliest true application of negative feedback in RF circuits was Tuska's Superdyne, which had an RF circuit with the familiar tickler coil upside down. Hartford, Shape Console, Lowboy (legs < 50 ). Power type and voltage Storage and/or dry batteries / 6, 45, 45 Volt Loudspeaker Horn Material Wooden case from Model: Superdyne 305 Upright Model - Tuska Co., The C.D. Hartford, Shape Tablemodel, Box - most often with Lid (NOT slant panel). 26 x 42 x 16 inch / 660 x 1067 x 406 mm Main principle TRF with regeneration 2 AF stage (s) Wave bands Broadcast only (MW). Model: 225 Single Panel - Tuska Co., The C.D.Model: Superdyne 305 - Tuska Co., The C.D.Hartford, Notes Three dials (primary tuning control knobs). A nice vintage radio in good working condition, with four good 01A tubes. Price in first year of sale 275.00 External source of data Ernst Erb Source of data Radio Collectors Guide 1921-1932. Technical Specifications Number of Tubes 4 Valves / Tubes Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown) Power type and voltage Storage and/or dry batteries from Model: Tuska Superdyne - Tuska Co., The C.D. Tuska Type 228 radio receiver, made by C.D. The pair had the idea of reversing the regeneration to squelch oscillations in the circuit. Click on any radio to go to its advertisement. All Tuska radios for sale at the Radio Attic are shown on this page. Storage and/or dry batteries / 6, 45, 45 Volt In 1923, Tuska and Robert Miner developed a modification of the original regeneration circuit which was called the 'Superdyne'. Tuska Radios for sale at the Radio Attic.Speaker is 24"H with a 10-1/2" diameter horn. ANTIgUE RADIO CLASSIFIED VOLUME 23 NOVEMBER 2006 NUMBER 11 Medium Wave Receiver. My partner gave me a nifty Tuska Regenerative Receiver type 225 for a Christmas present. I ran it with one 6V and five 12V gel cells (total cost about 75 bucks) and it performed well. If you are not familiar with regenerative receivers, do some homework before buying this. Operating one of these is a combination of art, science, and magic. I corrected a major oversight of the design and provided an on-off switch. The included speaker has no markings on it but works well. Receiver sensitivity is quite good for its time, and the volume is surprising for a radio of this design. BEAUTIFUL 1924 TUSKA TYPE 228 SUPERDYNE RADIO RECEIVER great early radio for your collection or museum BEAUTIFUL 1924 TUSKA TYPE 228 SUPERDYNE RADIO RECEIVER Item Information Condition: UsedUsed Time left: 6d 16h Starting bid: US 0.99 0 bids Bid Amount- Enter US 0.99 or more Enter US 0. I have equipped it with four 01A tubes, three NOS and the other 80%. At 97 years old, this one is in pretty nice condition. The Tuska 228 is considered by many to be near the pinnacle of the regens. Tuska went with the Regenerative design and was fairly successful with it. (1680063)īy the mid-1920s most AM radios were of the TRF type. Speaker is 24"H with a 10-1/2" diameter horn. There was a small group of Regen's on eBay earlier this month that qualify for the 100 year old radio club and this Tuska was among the group. If you are not familiar with regenerative receivers, do some homework before buying this. My partner gave me a nifty Tuska Regenerative Receiver type 225 for a Christmas present. Click on the schematic thumbnail to request the schematic as a free document. The included speaker has no markings on it but works well. Tuska Superdyne uploaded by Alan Larsen (2) August, 1924 Radio News magazine page 228. Receiver sensitivity is quite good for its time, and the volume is surprising for a radio of this design. THE Superdyne receiver is a name which has been applied to a year ago Roberta new receiving circuit. (wood tube casket radio) By the mid-1920s most AM radios were of the TRF type.
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