Radak C23
Clapp-Eastham Co.; Cambridge, MA
- Country
- United States of America (USA)
- Manufacturer / Brand
- Clapp-Eastham Co.; Cambridge, MA
- Year
- 1923
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 35288
-
- Brand: Radak
Radio News August 1923
Radio News August 1923
Images from website Radiolaguy.
- Number of Tubes
- 4
- Main principle
- TRF with regeneration
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: Radak C23 - Clapp-Eastham Co.; Cambridge,
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Dimensions (WHD)
- 16.5 x 9.75 x 8.5 inch / 419 x 248 x 216 mm
- Notes
-
Three dials: OSC. CONTROL, ANT. IND., and R.F. CONTROL all used for tuning.
Three rheostat knobs each control filament voltage of the tubes seen through the peephole directly above them.
Four tubes: R.F. amplifier, detector, and two transformer coupled A.F. amplifiers. The two A.F. amplifier tubes are lined up straight back from the third peephole.
Speaker jacks are provided after the 1st audio stage and after the 2nd audio stage.
- Price in first year of sale
- 125.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Literature/Schematics (1)
- Radio Manufacturers of the 1920s, Vol 1
- Literature/Schematics (2)
- Radio News (July 1923 issue, page 57)
- 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
Collections
The model Radak is part of the collections of the following members.