Regenerative Receiver HRF
Clapp-Eastham Co.; Cambridge, MA
- Country
- United States of America (USA)
- Manufacturer / Brand
- Clapp-Eastham Co.; Cambridge, MA
- Year
- 1922
- Category
- Radio module pre 1926 (not a part, not a key)
- Radiomuseum.org ID
- 35309
-
- Brand: Radak
- Main principle
- Tuner pre 1926 (not a wave trap)
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Wooden case
- from Radiomuseum.org
- Model: Regenerative Receiver HRF - Clapp-Eastham Co.; Cambridge,
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Dimensions (WHD)
- 14.75 x 5.25 x 0 inch / 375 x 133 x 0 mm
- Notes
- The Clapp-Eastham Type HRF Regenerative Receiver covered the 175-600 meters wave length range. This was a typical three circuit tuner of the early 1920's employing a Grid Variometer, Plate Variometer and a Variocoupler in the antenna circuit. This set was designed to use the Clapp-Eastham Type HRD Detector panel as a detector.
- Price in first year of sale
- 38.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Mentioned in
- Radio Manufacturers of the 1920s, Vol 1
- Literature/Schematics (4)
- - - Manufacturers Literature (1922 Clapp-Eastham Bulletin FZ page 6)
- Other Models
-
Here you find 130 models, 107 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Clapp-Eastham Co.; Cambridge, MA