Tuner FM 21

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Manufactured: unknown - unknown
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Tuner FM 21 Product Specifications

Specifications: Aerial impedance 75 ohms 
Amplifier connection 5- contact socket (international standard type) for monaural stereo amplifiers and tape recorders through type 961 L 14 connecting cable 
Audio level 4 switch positions: 10 mV, 40 mV, 200 mV and 800 mV
Signal-to-noise ratio: better than 50 dB 
Dimensions 46.3 x 10.8 x 20.4 cm 
Diodes OA 79 (two) Ratio detector diodes
OA 81 Dynamic-limiter diode
BA 101 AFC rectifier 
FM stereo Prepared for multiplex system 
Power consumption 40 watts 
Power supply 220 volts AC 
Signal-to-noise ratio 26 dB at 2µV 
Tuning RF section with AFC. Range: 87.5 - 108 Mc/s 
Valves ECC 85 RF amplifier and mixer
AF 184 (three) IF amplifier
ECC 83 AFC and multiplex amplifiers
EM 87 Tuning indicator 
Weight 5 kg

Related Products

Created: 22nd January 2007
Modified: 28th October 2008

Author Notes:

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