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Accuphase A-250 CLASS-A MONOPHONIC POWER AMPLIFIER
Accuphase A-250 CLASS-A MONOPHONIC POWER AMPLIFIER

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Accuphase A-250 CLASS-A MONOPHONIC POWER AMPLIFIER

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    Categories: Audio, Power Amplifiers, Receivers & Amplifiers SKU: A-250

    The A-250 encompasses Accuphase power amplifier know-how to the fullest. It is destined to become another milestone, taking the art of audio to the next level. In order to realize ideal speaker drive capability, the A-200 employs a structural design that exceeds even the M-6200. Two completely separate power amplifier units, each with its own dedicated heat sink on either side of the chassis, are driven in parallel.
    Another outstanding characteristic of the A-250 is its enormously improved S/N ratio. By adopting the advanced instrumentation amplifier principle for the input stage in a double configuration, using only discrete electronic components instead of ICs, and fine-tuning the gain complement with the following stage, simply amazing S/N ratings were achieved: 126 dB at the maximum gain setting and 132 dB with gain set to –12 dB. These represent ultimate values even in the formidable Accuphase lineup.

    Features & Specifications

    Continuous Average Output Power (20 – 20,000 Hz)
    Normal mode:
    – 800 watts into 1 ohm *1
    – 400 watts into 2 ohms
    – 200 watts into 4 ohms
    – 100 watts into 8 ohms *2
    Bridged mode (2 units):
    – 1,600 watts into 2 ohms *1
    – 800 watts into 4 ohms
    – 400 watts into 8 ohms

    Total Harmonic Distortion:
    – 0.05% with a 2-ohm load
    – 0.03% with a 4 to 16-ohm load

    Intermodulation Distortion: 0.01%

    Frequency Response:
    – At rated continuous average output: 20 – 20,000Hz +0 -0.2 dB
    – At 1 watt output: 0.5 – 160,000Hz +0 -3.0 dB

    Gain: 28.0 dB (GAIN selector in MAX position)
    Gain Selection: MAX, –3 dB, –6 dB, –12 dB
    Output Load Impedance:
    – Continuous output: 2 to 16 ohms
    – With music signal: 1 to 16 ohms
    Damping Factor: 1,000
    Input Sensitivity (with 8-ohm load):
    – 1.13 V for rated continuous average output
    – 0.11 V for 1 watt output

    Input Impedance:
    – Balanced: 40 kilohms
    – Line: 20 kilohms

    Signal-to-Noise Ratio:
    – 127 dB (GAIN selector in MAX position)
    – 133 dB (GAIN selector in –12 dB position)
    – At rated continuous average output

    Output Level Meter
    Digital power meter:
    – 5-digit indication showing true power (W)
    – Range selection AUTO / 10 W / 100 W / 1,000 W
    Bar graph meter:
    – Represents output voltage values (dB) using 40 points
    Peak hold time:
    – 1 second / ∞ (infinite) selectable *Display off switch provided
    Power Requirements: 120/220/230 V AC, 50/60 Hz
    Power Consumption:
    – 300 watts idle
    – 430 watts in accordance with IEC 60065

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    30 years experience in the Hi-Fi Audio, Home Theater, and Electronics Industry! Bringing exceptional service, knowledgeable sales, and professional installation to Newmarket, Aurora, Barrie/Simcoe, and Toronto GTA. EQ Audio Video is listening to your needs.

    We're listening, to get you listening!

    CALL: 1-416-689-7779

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    30 years experience in the Hi-Fi audio, home theater, and consumer electronics industry!

    Bringing the best service, sales, and installation to Newmarket, Aurora, Toronto GTA, & Barrie / Simcoe. EQ Audio Video is listening to your needs.

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