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Jonny M57

Jonny M57; Akkord-Radio + (ID = 39736) Radio
 
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Jonny M57; Akkord-Radio + (ID = 1745862) Radio
Akkord-Radio +: Jonny M57 [Radio] ID = 1745862 1280x1024
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For model Jonny M57, Akkord-Radio + Akkord Elektronik (Radios):
Akkord Jonny M57 1957
 
Country:  Germany
Manufacturer / Brand:  Akkord-Radio + Akkord Elektronik (Radios)
Year: 1957/1958 perfect model Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: DK92 DF96 DAF96 DL96
Main principle Super-Heterodyne (Super in general); ZF/IF 468 kHz
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Details
Power type and voltage Line / Batteries (any type) / 110; 220; 1,5 & 75 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch
Power out
from Radiomuseum.org Model: Jonny M57 - Akkord-Radio + Akkord
Material Leather / canvas / plastic - over other material
Shape Portable set > 8 inch (also usable without mains)
Dimensions (WHD) 236 x 160 x 76 mm / 9.3 x 6.3 x 3 inch
Notes

Wave bands;
Button 2 (middle) MW 1620 - 510 KHz,
Button 3 (right) SW 5.8 - 18MHz,
LW is obtained by releasing both MW & SW buttons. LW 350 - 145kHz
Left push button 1, depressed = battery operation
Socket for external aerial

Price in first year of sale 198.00 DM
Collectors' prices  
Source of data Radiokatalog Band 1, Ernst Erb
Circuit diagram reference Lange Schaltungen der Funkindustrie, Buch 1


All listed radios etc. from Akkord-Radio + Akkord Elektronik (Radios)
Here you find 198 models, 177 with images and 142 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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