Audio Database

SB-M30
Commentary

This pre-main amplifier is designed to be compatible with CD players.

The power amplifier section uses a 2-stage differential circuit to achieve low distortion and low noise and stability.

An electronic one touch operated input selector is used for the operation part.

Model Rating
Type Pre-main amplifier
Continuous output 65W + 65W (EIAJ, 1 khz, 8 ohm)
50W + 50W (0.09%, 20 Hz-20 kHz, 8 Ω)
Total harmonic distortion factor 0.03% (at 1 khz, 1/2 rated output)
Output bandwidth 10 Hz ~ 75 kHz (0.2% Distortion)
Cross modulation distortion factor 0.02%(60Hz:7kHz=4:1)
Input Sensitivity / Impedance MIC : 1.3mV/47k Ω
Phono : 2.5mV/47k Ω
Tuner, Aux/CD, Tape1, 2 : 150mV/22k Ω
Phono maximum allowable input 120mV(0.05%)
Signal-to-noise ratio Phono:63dB
Aux, etc : 101 dB
Power consumption 90W
External dimensions Width 420x Height 89x Depth 279 mm
Weight 6.5kg