LWA Staff Posted November 11, 2020 Posted November 11, 2020 Further information: This SP-331MK Power Amplifier is in good condition, with the exception of a couple of small blemishes on the top leading edge of the facia, as identified in picture. Vincent says: Elegant, timeless, clean technology, perfection for a power amplifier. Here, valves creating the typical sound that is amplified in the power section by the transistors. In addition, the voltage stabilisation works with a 6N10 valve and thereby provides a trouble-free 10W Class A operation. Specifications: > Frequency Response: 10 Hz – 20 kHz +/- 0.5 dB, 10 Hz – 50 kHz +/- 2 dB > Nominal Output Power RMS / 8 Ohm: 2 x 150 Watt > Nominal Output Power RMS / 4 Ohm: 2 x 300 Watt > Nominal Output Power Class A / 8 Ohm: 2 x 10 Watt > Harmonic Distortion: < 0.1 % (1 kHz, 1 Watt) > Input Sensitivity: 1,5 Volt > Signal-Noise Ratio: > 95 dB > Input Impedance: 47 kOhm > Max. Power Consumption: 618 Watt > Inputs: 2 x Stereo RCA > Outputs: 2 x 4 Speaker Terminal > Tubes: 2 x 6N16, 1 x 6N10 > Weight: 22 kg > Dimensions (WxHxD): 430 x 195 x 400 mm
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