Audio Database

ST521
Commentary

Synthesizer tuner with 8 preset memories for FM and AM.

There are 2 variations, gold and silver.

Model Rating
Type Quartz synthesizer tuner
FM Tuner Section
Receiving frequency 76 MHz to 90 MHz
Practical sensitivity of IHF 10.3dBf/0.9 μ V (75 Ω)
Harmonic distortion factor stereo:0.12%(1kHz)
Signal-to-noise ratio mono:80dB
Frequency characteristic 30 Hz ~ 15 kHz + 0 -1.0 dB
Stereo separation 45dB(1kHz)
<AM Tuner Section>
Receiving frequency 522 kHz to 1,611 kHz
Practical sensitivity of IHF 10 μ V
Signal-to-noise ratio 55dB
Harmonic distortion factor 0.2%(1kHz)
<General>
External dimensions Width 416x Height 55x Depth 300 mm
Weight 2.95kg