Accuphase A-300 Class A Monophonic Power Amplifier
Redefining the standard for Class A power amplifiers, the Accuphase A-300 Class A Mono Amplifier features 20-parallel push-pull power MOS-FETs in the output stage, elevating performance by an impressive 25% compared to conventional models. With outputs of 125 W into 8 ohms, 250 W into 4 ohms, 500 W into 2 ohms, and a staggering 1,000 W into 1 ohm, the Accuphase A-300 sets the stage for unparalleled constant-voltage drive. Its fully discrete balanced input amplifier ensures a level of quietness that transcends mere audio equipment, enveloping listeners in pure sonic bliss.
What truly sets the Accuphase A-300 apart is its unmatched expressiveness, allowing audiophiles to immerse themselves in the most exquisite pieces from the world's greatest composers. Whether experiencing delicate piano passages or thunderous orchestral crescendos, this amplifier faithfully reproduces every nuance and subtlety with breathtaking clarity and precision.
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A-300 CLASS A MONO AMPLIFIER
Created to mark our 50th anniversary, the 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 125 W into 8 ohms, 250 W into 4 ohms, 500 W into 2 ohms, and 1,000 W 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.
HIGHLIGHTS
- 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
- 500 watts into 2 ohms
REFERENCES & REVIEWS
