- Country
- United States of America (USA)
- Manufacturer / Brand
- Federal Radio Corp. / Federal Telephone & Telegraph Co.; Buffalo, NY
- Year
- 1925/1926
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 40282
-
- alternative name: Federal Recorder || Federal Tel. & Radio || Federal T&T
- Brand: Orthosonic / Ortho-Sonic
- Number of Tubes
- 5
- Main principle
- TRF with regeneration; 2 AF stage(s)
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage and/or dry batteries / 6 & 90 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: 141 - Federal Radio Corp. / Federal
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Dimensions (WHD)
- 19.375 x 13 x 17.25 inch / 492 x 330 x 438 mm
- Notes
-
Two dials (primary tuning control knobs)
The Federal 141 chassis was used in both the Federal 142 and Federal 143 models.The chassis uses 5-UV01-A tubes, 2-RF, Detector, 2-AF.Circuit is regenerative (possibly not claimed so to avoid patent hassles)...
Front panel control labelled AMPLIFICATION CONTROL is the regeneration control
via RF amplifier grid bias adjustment.
3 internal rheostats are for RF, Detector & AF tube filament rheostats.
2 big knobs on the front panel are for the antenna and interstage RF tuning capacitors.
- Net weight (2.2 lb = 1 kg)
- 42 lb (42 lb 0 oz) / 19.068 kg
- Price in first year of sale
- 150.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Mentioned in
- Collector's Guide to Antique Radios 4. Edition
- Literature/Schematics (1)
- January 1926, Electrical Record Supplement magazine page 32
- Other Models
-
Here you find 205 models, 90 with images and 133 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Federal Radio Corp. / Federal Telephone & Telegraph Co.; Buffalo, NY
Collections
The model 141 is part of the collections of the following members.