The A-250 Class-A Monophonic Power Amplifier is the newest flagship
offering from Accuphase. A full redesign of the A-200, the A-250 raises
the bar even higher in terms of electrical performance and sound quality
and demonstrates the best performance to date in the history of
Accuphase Power Amplifiers.
The A-250 implements the latest technology with two ultra
low-noise instrumentation amplifiers realized in a discrete
configuration, along with optimized signal input and power amplification
stages, resulting in an astonishing 127 dB S/N ratio - a 20% lower
noise output than the A-200.
Top-grade materials, sophisticated circuit pattern technology,
and various other measures result in low impedance and enable the
realization of a damping factor of 1400, which represents a
27% improvement up on the A-200.
Pure Class A operation delivers 100W of quality power into 8
ohms with a 10 parallel push-pull MOS-FET arrangement in place of relays
for speaker protection, helping to ensure superb electrical
characteristics and improve long-term reliability.
Ultra-low-noise design with unprecedented
S/N ratio of 127 dB brings out a stunning wealth of detail.
Semiconductor MOS-FET switches enable output circuitry without any
mechanical contacts. Two pure class A power units arranged right and
left are driven in parallel to deliver 100 watts into 8 ohms with
impeccable quality. A damping factor in excess of 1,000 means that
speaker control is nothing less than perfect. The massive A-250
represents a new pinnacle in power amplifier history. Encounter music
like never before.
• Pure Class A operation delivers 100W of quality power into 8 ohm
• Astonishing 127 dB S/N ratio - a 20% lower noise output than the A-200
• Two totally identical power amplifier units driven in parallel
• 10 parallel push-pull MOS-FET arrangement cuts output impedance in half
• Damping factor of 1400, which represents a 27% improvement up on the A-200
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