Accuphase P-4500 STEREO POWER AMPLIFIER
Accuphase P-4500 STEREO POWER AMPLIFIER

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Accuphase P-4500 STEREO POWER AMPLIFIER

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    Categories: , , SKU: P-4500

    The quest for the optimal power amplifier has just taken another giant leap forward. The P-4500 features an instrumentation amplifier configuration realized with discrete semiconductors in the signal path, triple Darlington 4-parallel complementary push-pull architecture and many other technology advantages. The result is an impressive S/N ratio of 121 dB, rated output of 500 watts into 1 ohm (music signals), and a damping factor of 700. A newly developed output protection circuit can also detect any short-circuiting of the speaker terminals, for complete peace of mind. This power amplifier is the ultimate tool for immersive music enjoyment on the highest level.

    Features & Specifications

    • 4-parallel complementary push-pull configuration using bipolar power transistors
    • Linear output characteristics (90 W/8Ω, 180 W/4Ω, 360 W/2 Ω)
    • 500 W output into ultra-low impedance load of 1Ω (music signals)
    • Strong power supply with massive toroidal transformer and large 50,000 μF filtering capacitors
    • Instrumentation amplifier principle
    • High-gain signal input section for outstanding S/N ratio
    • Dedicated power supply for signal input section ensures stable operation
    • Line and balanced input connectors
    • Polarity switching for balanced input connectors
    • MCS+ circuit topology further reduces noise
    • Current feedback principle in amplification circuitry
    • Protection circuitry using MOS-FET switches
    • High damping factor of 700
    • Balanced Remote Sensing
    • Speaker output protection with over-current detection
    • Highly responsive large peak power meters
    • Two sets of large speaker terminals
    • 4-step gain control
    • Support for bi-amping and bridged mode

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