Ultra Short Wave Transmitter-Receiver TR-4
Abbott Instrument, Inc.; New York City (NY)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Abbott Instrument, Inc.; New York City (NY)
- Year
- 1941
- Category
- Amateur TRX: Transmitter/Receiver (and Transceiver)
- Radiomuseum.org ID
- 270452
QST Amatuer Radio December 1941 Page 71
- Number of Tubes
- 4
- Main principle
- Transceiver
- Wave bands
- VHF incl. FM and/or UHF (see notes for details)
- Power type and voltage
- Line plus power jack, mostly with battery or storage battery / 110 / 6 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
- Material
- Metal case
- from Radiomuseum.org
- Model: Ultra Short Wave Transmitter-Receiver TR-4 - Abbott Instrument, Inc.; New
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 9.25 x 8 x 5 inch / 235 x 203 x 127 mm
- Notes
-
Abbott Transmitter-Receiver Model TR-4.
2.5 m band. Super-regenerative detector.
Frequency 112 to 116 MC
Range: Varying from 5 to 75 miles, depending upon terrain
20 W input power.
List Price less tubes and power supply - USD 65,--
- Mentioned in
- Popular Mechanics (Description in Sept. 1942, p.160)
- Literature/Schematics (1)
- -- Original prospect or advert (QST - Amateur Radio December 1941 - Page 71)
- Author
- Model page created by a member from A. See "Data change" for further contributors.
- Other Models
-
Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Abbott Instrument, Inc.; New York City (NY)
Museums
The model Ultra Short Wave Transmitter-Receiver can be seen in the following museums.