Audio Database

FM-105
Commentary

This is the first FM tuner in Japan equipped with a double limiter (two stage noise limiting circuit).

Equipped with a double limiter circuit, it reduces fluorescent light noise, automobile ignition noise, and noise generated by thunder.

In addition to FM broadcasting, channels 1 to 3 of terrestrial TV analog broadcasting can be received.

Equipped with a 3-row varicon.

Equipped with AFC circuit.

Equipped with a meter to indicate tuning.

Equipped with a multiplex adapter, it can also handle stereo broadcast transmission.

Model Rating
Type FM tuner
Receiving frequency 76 mhz to 108 mhz
Sensitivity 1.5 μ V/94MHz (S/N 20 dB)
Selectivity Bandwidth 200 kHz (-6dB)
Distortion factor 1% or less (100% modulation)
Image ratio 40 dB or more
Frequency characteristic 20 Hz to 20 kHz ± 0.5 dB
Used vacuum tubes, etc. 6AQ8x2
6BA6x2
6AU6x2
6AL5
6X4
Pwer 100 VAC / 110 V, 50Hz/60Hz
External dimensions -
Weight -