3-Tube Receiver TRF Homebuilt
Unknown - CUSTOM BUILT: USA
- Country
- United States of America (USA)
- Manufacturer / Brand
- Unknown - CUSTOM BUILT: USA
- Year
- 1927 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 297482
- Number of Tubes
- 3
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown)
- Power type and voltage
- Dry Batteries
- Material
- Wooden case
- from Radiomuseum.org
- Model: 3-Tube Receiver TRF Homebuilt - Unknown - CUSTOM BUILT: USA
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Dimensions (WHD)
- 21.5 x 9 x 8.5 inch / 546 x 229 x 216 mm
- Notes
-
Parts in receiver include the following. 2 RF Transformers - Dayton Fan and Motor Company. 2 Pacent Radio Jacks No 63 and 65. Seven Terminal screws on the back (Back view left to right: AM B+, DE B- B-, A+, A-, GND, ANT). 2 Bakelite Company 30 OHM Rheostats are connected to the heater filaments of the 3 triode tubes. A unique 8 tap spider coil, is connected to the variable tuning capacitor and an 8 position switch.
By 1927 it could have a UX112A (112A) with half of the cathode current than the UX112, but not before.
- Net weight (2.2 lb = 1 kg)
- 16 lb 2 oz (16.125 lb) / 7.321 kg
- Author
- Model page created by Dennis Earl. See "Data change" for further contributors.
- Other Models
-
Here you find 266 models, 221 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Unknown - CUSTOM BUILT: USA
Collections
The model 3-Tube Receiver TRF is part of the collections of the following members.