Parasound A 23 Power Amplifier

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  •  Circuitry designed by legendary John Curl
  •  Lucasfilm Home THX Ultra2 certified
  •  High bias Class A/AB operation
  •  Balanced inputs with discrete circuits and XLR connectors
  •  Direct Coupled - no capacitors or inductors in signal path
  •  Complementary MOSFET driver stage and JFET input stage
  •  12 beta-matched 15 amp, 60 MHz bipolar output transistors
  •  1 kVA encapsulated toroid power transformer with independent 
      secondary windings for each channel
  •  48,000 µF power supply filter capacitance
  •  DC Servo and relay protection circuits
  •  AC present, channel status, high temperature displays
  •  Heavy-duty 24k gold-plated 5-way speaker binding posts
  •  Gold-plated RCA input jacks; loop output jacks
  •  Auto turn-on by 12v trigger or audio signal
  •  Rear mounted gain controls, ground lift switch
  •  2u Chassis, carry handles, rack mountable with HRA2 (sold separately)
  •  Parasound 5 year parts, 5 years labor warranty 
       (For USA and Canada purchases only)

Continuous power output:
        125 watts RMS x 2, 20 Hz - 20 kHz, 8 Ω, both channels driven
        225 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, both channels driven
        400 watts RMS x 1, 20 Hz - 20 kHz, 8 Ω

        Current capacity:
        45 amperes peak per channel

        Power bandwidth:
        5 Hz - 100 kHz, +0/-3 dB at 1 watt

        Total harmonic distortion:
        < 0.06 % at full power

        IM distortion: balanced 16 V rms
        < 0.04 %

        Slew rate:
        > 130 V/µsecond

        Dynamic headroom:
        > 1.5 dB 

        Interchannel crosstalk:
        > 80 dB at 1 kHz;
        > 63 dB at 20 kHz

        Input sensitivity:
        1 V for 28.28 V, THX Reference Level

        Input impedance:
        33 k Ω

        S/N ratio:
        112 dB, input shorted, IHF A-weighted

        Damping factor:
        > 800 at 20 Hz

        Voltage:
        Switchable for 110V - 120V or 220V - 240V 

        Dimensions:
        17-1/4" w x 4-1/8" h x 13-1/4" d, 3-5/8 " h without feet

        Net weight: 28 lb.

 

 

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