FM Receiving System Model Twenty-One (21)

KLH R&D Co.; Cambridge (MA)

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Country
United States of America (USA)

Manufacturer / Brand
KLH R&D Co.; Cambridge (MA)

Year
1969 ?

Category
Broadcast Receiver - or past WW2 Tuner

Radiomuseum.org ID
129162

Picture
Schematics

FM Receiving System Model Twenty-One ; KLH R&D Co.; (ID = 3000633) Radio — KLH R&D Co.; FM Receiving System Model Twenty-One (3)

FM Receiving System Model Twenty-One ; KLH R&D Co.; (ID = 948971) Radio — KLH R&D Co.; FM Receiving System Model Twenty-One (1)

FM Receiving System Model Twenty-One ; KLH R&D Co.; (ID = 948979) Radio — KLH R&D Co.; FM Receiving System Model Twenty-One (1)

FM Receiving System Model Twenty-One ; KLH R&D Co.; (ID = 948972) Radio — KLH R&D Co.; FM Receiving System Model Twenty-One (1)

FM Receiving System Model Twenty-One ; KLH R&D Co.; (ID = 948978) Radio — KLH R&D Co.; FM Receiving System Model Twenty-One (1)

FM Receiving System Model Twenty-One ; KLH R&D Co.; (ID = 948980) Radio — KLH R&D Co.; FM Receiving System Model Twenty-One (1)

FM Receiving System Model Twenty-One ; KLH R&D Co.; (ID = 948981) Radio — KLH R&D Co.; FM Receiving System Model Twenty-One (1)

FM Receiving System Model Twenty-One ; KLH R&D Co.; (ID = 495740) Radio — KLH R&D Co.; FM Receiving System Model Twenty-One (2)
Ebay Nr. 260277550211 Bild bearbeitet.

FM Receiving System Model Twenty-One ; KLH R&D Co.; (ID = 620803) Radio — KLH R&D Co.; FM Receiving System Model Twenty-One (1)

FM Receiving System Model Twenty-One ; KLH R&D Co.; (ID = 620804) Radio — KLH R&D Co.; FM Receiving System Model Twenty-One (1)

Click on the schematic thumbnail to request the schematic as a free document.

Technical Specifications

Number of Transistors
Semiconductors present.

Semiconductors

Main principle
Superheterodyne (common)

Wave bands
FM Broadcast Band Only

Power type and voltage
Alternating Current supply (AC) / 117 Volt

Loudspeaker
Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

Material
Wooden case

from Radiomuseum.org
Model: FM Receiving System Model Twenty-One - KLH R&D Co.; Cambridge MA

Shape
Tablemodel without push buttons, Mantel/Midget/Compact up to 14

Dimensions (WHD)
12 x 7 x 6 inch / 305 x 178 x 152 mm

Source of data
-- Collector info (Sammler)

Author
Model page created by a member from A. See "Data change" for further contributors.

Other Models
Here you find 22 models, 20 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from KLH R&D Co.; Cambridge (MA)

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The model FM Receiving System is part of the collections of the following members.

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