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Accuphase

Accuphase A-300 Class A Mono Amplifier

Accuphase A-300 Class A Mono Amplifier

Accuphase A-300 Class A Mono Amplifier

Created to mark our 50th anniversary, the Accuphase A-300 redefines the ideal for Class A power amplifiers. 20-parallel push pull power MOS-FETs in the output stage improves performance by 25% over conventional models with outputs of 125W into 8 ohms, 250W into 4 ohms, 500W into 2 ohms, and 1,000W into 1 ohm that set the stage for enviable constant voltage drive. The fully discrete balanced input amplifier achieves a level of quietness that will make you forget you are using audio equipment for reproduction. The A-300’s unmatched expressiveness lets you enjoy the most exquisite pieces from the world’s greatest composers.

  • Class A driven output stage with 20-parallel push pull power MOS-FETs
  • Large linear output 125W into 8 ohms, 250W into 4 ohms, 500W into 2 ohms, 1,000W into 1 ohm
  • Instrumentation amplifier principle
  • Current feedback amplification circuits
  • Balanced Remote Sensing
  • Double MCS+ circuit
  • High damping factor of 1,000
  • Speaker output protection
  • Highly reliable MOS-FET switches with no mechanical connections
  • Signal input section with a fully discrete configuration for low noise
  • Highly responsive large scale bar graph power meter
  • Connecting two pairs of A-300 supports bi-amp and bridged mode connection
  • 4-step gain control
  • High capacity 100,000 μF filtering capacitors
  • Large speaker terminals connected directly to protection circuitry
  • High carbon cast iron insulator feet with superior damping characteristics
  • Power amplification section on circuit boards using glass cloth fluorocarbon resin
  • Aluminium hairline finish top plate

Continuous Average Output Power (20 – 20,000 Hz)
Normal mode 1000 watts into 1 ohms (music signals only)
                        500 watts into 2 ohms
                        250 watts into 4 ohms
                        125 watts into 8 ohms

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