Усилитель рабочий, но в каналах 2 и 4 есть артефакты в звуке, возможно пропайка RCA решит проблему.
D7 Series 4-Channel Amplifier
RMS Power Output:
4 Ohms: 150 watts x 4 chan.
2 Ohms: 300 watts x 4 chan.
4 Ohms Bridged: 600 watts x 2 chan.
Symmetrical Topology, Fully Regulated, Triple-Split-Rail Power Supply
Isolated Input Section Utilizing "Quasi-Differential" Instrumentation Amplifier Technology
Third-Order 18dB/Octave Butterworth Crossover Topology
Wide Bandwidth/Low Distortion Symmetrical Gain Output Stage
Gold Plated Copper Circuit Board
High Efficiency Intelligent Thermal Management Protection System
Massive 3-Piece Proprietary Heatsink
Solid Copper High-Current Power Distribution Busbars
S/N Ratio: 102 dB
Frequency Response: 3 Hz - 50 kHz
Dimensions: 24-3/4"L x 10-5/8"W x 3"H
Weight: 22.00 lbs
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