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January 13, 2014

SM1000

Switch-mode power supply amplifiers

The SM amplifier range offers the high dynamic power of Master Audio amplifiers in a lightweight format. Their proven technology combines a switch-mode power supply with Class H amplification modules, allowing a considerable weight reduction without losing sound quality and reliability. They incorporate the soft-start circuit with gradual volume increase, clip limiters and special protection features such as temperature control, overcurrent, DC and output short-circuit.

Gallery
Specifications

TECHNICAL FEATURES

Voltage Gain 38 dB
Input Sensitivity 26 dB / 32 dB / 38 dB
Input Impedance 20 kΩ
Slew Rate +/-20 V/μs
Output Power (1 kHz – 0,1% THD)
Stereo 8 Ω 310 + 310 W
Stereo 4 Ω 500 + 500 W
Stereo 2 Ω 600 + 600 W
Bridge 8 Ω 1000 W
Bridge 4 Ω 1200 W
Average Current draw (1/3 power) 3 A
Frequency Response 20 Hz – 20 kHz (0/-0.5 dB)
Damping Factor (1 kHz @ 8 Ω) > 200
Crosstalk -60 dB
S/N Ratio (A-weighted) -102 dB (A)
Dimensions (HxWxD) 88 x 482 x 350 mm
Weight 8 kg
Applications

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