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RCA Manufacturing || Victor Talking Machine | ||||
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Year: 1922 | Category: Radio part (not a module) |
Wave bands | - without |
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Details | |
Power type and voltage | No Power needed |
Loudspeaker | |
Power out | |
from Radiomuseum.org | Model: Tone Frequency Intervalve Amplifying Transformer UV-712 - RCA RCA Victor Co. Inc.; New |
Material | Metal case |
Shape | Chassis only or for «building in» |
Dimensions (WHD) | 2.75 x 2 x 3.87 inch / 70 x 51 x 98 mm |
Notes | "RCA Tone Frequency Intervalve Amplifying Transformer" UV-712; Winding Ratio 1:9; Frequency range 60 - 3000 Hz; Allowable current on each winding 10 mA; Test voltage between windings and to core 300 V @ 60 Hz; Terminal voltage limit of secondary winding 300 V. "Model UV-712 is the only transformer designed specifically for use with Radiotrons." |
Net weight (2.2 lb = 1 kg) | 1 lb 7 oz (1.438 lb) / 0.653 kg |
Price in first year of sale | 7.00 $ |
Mentioned in | Robertson-Cataract Catalog No.22, 1922/23 |
Literature/Schematics (1) | RCA: "Radio Enters the Home", 1922 catalog |
Model page created by a member from A. See "Data change" for further contributors.
All listed radios etc. from RCA (RCA Victor Co. Inc.); New York (NY)
Here you find 4925 models, 2893 with images and 4000 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.