Some specs
・The output stage features a circuit configuration equivalent to that of the A-75
・6 parallel push-pull arrangement of MOS-FETs in the power amplifier modules.
・Newly-developed, massive high efficiency toroidal power transformer
・Two 60,000uF filtering capacitors (the A-47 has 2 56,000uF)
・Rated Output Power: 45W/8 ohm、90W/4 ohm、180W/2 ohm、320W/1 ohm
・Damping Factor of 800 where the A-47 is 600
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