K-45

Kolster; USA

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Country
United States of America (USA)

Manufacturer / Brand
Kolster; USA

Year
1929

Category
Broadcast Receiver - or past WW2 Tuner

Radiomuseum.org ID
45692

- Brand: International

Picture
Schematics

K-45 ; Kolster; USA (ID = 244464) Radio — Kolster; USA K-45 (3)

K-45 ; Kolster; USA (ID = 750555) Radio — Kolster; USA K-45 (3)

K-45 ; Kolster; USA (ID = 750556) Radio — Kolster; USA K-45 (3)

K-45 ; Kolster; USA (ID = 1240144) Radio — Kolster; USA K-45 (1)
Kolster found in Loomis, California, 2003

K-45 ; Kolster; USA (ID = 1353189) Radio — Kolster; USA K-45 (1)

K-45 ; Kolster; USA (ID = 111261) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 490004) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1181140) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1181142) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1352687) Radio — Kolster; USA K-45 (1)

K-45 ; Kolster; USA (ID = 1352688) Radio — Kolster; USA K-45 (1)

K-45 ; Kolster; USA (ID = 1353128) Radio — Kolster; USA K-45 (1)

K-45 ; Kolster; USA (ID = 1353129) Radio — Kolster; USA K-45 (1)

K-45 ; Kolster; USA (ID = 1353130) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1902432) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1902433) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1902434) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1902436) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1902437) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1902438) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1917582) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1917583) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1917584) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1917585) Radio — Kolster; USA K-45 (2)

K-45 ; Kolster; USA (ID = 1917587) Radio — Kolster; USA K-45 (2)

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

Technical Specifications

Number of Tubes
11

Valves / Tubes
24A 24A 24A 27 27 27 27 50 50 81 81

Main principle
TRF (Tuned-Radio-Frequency but use of regeneration unknown); 3 AF stage(s); Screengrid 1926-1935

Tuned circuits
4 AM circuit(s)

Wave bands
Broadcast only (MW).

Details
Radio Control (+Remote Wire etc)

Power type and voltage
Alternating Current supply (AC) / 100-110; 110-120 Volt

Loudspeaker
Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 14 inch = 35.6 cm

Material
Wooden case

from Radiomuseum.org
Model: K-45 - Kolster; USA

Shape
Console, Lowboy (legs < 50 %).

Dimensions (WHD)
34.75 x 46.1 x 18.5 inch / 883 x 1171 x 470 mm

Notes
One dial (primary tuning control knob); push-pull af output stage.
In the monthly Journal "Radio Engineering" there is a picture of Kolster Model K-45 with legend reading "using Electric Tuning and Remote control and housed in a cabinet of extraordinary beauty."

Price in first year of sale
500.00 $

External source of data
Ernst Erb

Source of data
Radio Collector`s Guide 1921-1932

Circuit diagram reference
Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

Mentioned in
Collector's Guide to Antique Radios 4. Edition (Rider's Perpetual, Volume 2 = 1932 and before)

Literature/Schematics (1)
Radio Engineering (July 1929, Vo. IX, No. 10 page 32 with picture of closed console)

Other Models
Here you find 102 models, 48 with images and 67 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Kolster; USA

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The model K-45 is part of the collections of the following members.

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