- Country
- United States of America (USA)
- Manufacturer / Brand
- Wurlitzer Co., The Rudolph; North Tonawanda, NY
- Year
- 1933
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 67041
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- Superheterodyne (common); ZF/IF 456 kHz; Reflex
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast and Short Wave (SW).
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: M4 - Wurlitzer Co., The Rudolph;
- Shape
- Tablemodel, with any shape - general.
- Notes
- Volage doubler (needs AC).
6B7 is reflexed for IF and AF.
- External source of data
- Ernst Erb
- Source of data
- The Radio Collector's Directory and Price Guide 1921 - 1965
- Circuit diagram reference
- Rider's Perpetual, Volume 4 = ca. 1934 and before
- Mentioned in
- Collector's Guide to Antique Radios 4. Edition
- Other Models
-
Here you find 234 models, 146 with images and 83 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Wurlitzer Co., The Rudolph; North Tonawanda, NY