- Country
- United States of America (USA)
- Manufacturer / Brand
- Ultramar Mfg. Corp. (Troubador); Chicago (IL)
- Year
- 1937
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 63898
-
- Brand: Troubador
Radio Today, September 1937, p.39
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 8
- Main principle
- Superhet with RF-stage; ZF/IF 465 kHz; Export model
- Tuned circuits
- 9 AM circuit(s)
- Wave bands
- Broadcast, Long Wave and Short Wave.
- Power type and voltage
- Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8.5 inch = 21.6 cm
- Power out
- 3 W (unknown quality)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 337 - Ultramar Mfg. Corp. Troubador;
- Shape
- Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
- Notes
-
Push-pull af output stage; tuning eye; synchr. vibrator for +B; home radio.
Model for European markets, domestic model see 327.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 11 = ca. 1940 and before
- Mentioned in
- Radio Today (and Television) (September 1937, p.39)
- Other Models
-
Here you find 34 models, 14 with images and 24 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Ultramar Mfg. Corp. (Troubador); Chicago (IL)