- Country
- United States of America (USA)
- Manufacturer / Brand
- Detrola; Detroit (MI)
- Year
- 1947
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 37395
SAMS Photofact
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Details
- Changer (Record changer)
- Power type and voltage
- Alternating Current supply (AC) / 117 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
- Material
- Wooden case
- from Radiomuseum.org
- Model: 7270 - Detrola; Detroit MI
- Shape
- Tablemodel, with any shape - general.
- Notes
- Built-in loop antenna as first RF circuit. Push-pull audio amplifier. 6" x 9" speaker.
- External source of data
- Ernst Erb
- Source of data
- Collector's Guide to Antique Radios 4. Edition
- Circuit diagram reference
- Rider's Perpetual, Volume 16 = ca. 1948 and before
- Other Models
-
Here you find 334 models, 195 with images and 291 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Detrola; Detroit (MI)