Parasound Halo A21 2 Channel Power Amplifier

UPC: 791084201024
Save 16%
$2,495.00
$2,099.00

SKU A21Black
BRAND NEW, FACTORY SEALED WITH FULL PARASOUND HALO 5 YEAR WARRANTY

Parasound Halo A21 2 Channel Power Amplifier


  •  Circuitry designed by legendary John Curl
  •  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
  •  16 beta-matched 15 amp, 60 MHz bipolar output transistors
  •  1.2 kVA encapsulated toroid power transformer with independent
      secondary windings for each channel
  •  100,000 µF power supply filter capacitance
  •  DC Servo and relay protection circuits
  •  AC present, channel status, high temperature indicators
  •  Heavy-duty 24k gold-plated 5-way speaker terminals
  •  Gold-plated RCA input jacks; ground lift switch
  •  Auto turn-on by 12v trigger or audio signal, 12v trigger out
  •  4u Chassis, carry handles, rack mounting adapter included
  •  Parasound 5 year parts, 5 years labor warranty
       (For USA and Canada purchases only)
  • Specs
    Continuous power output:
            250 watts RMS x 2, 20 Hz - 20 kHz, 8 Ω, all channels driven
            400 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, all channels driven
            750 watts RMS x 1, 20 Hz - 20 kHz, 8 Ω

            Current capacity:
            60 amperes peak per channel

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

            Total harmonic distortion:
            < 0.2 % 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 unbalanced; 66 k Ω balanced

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

            Damping factor:
            > 1100 at 20 Hz

            Voltage:
            110V - 120V

            Dimensions:
            17-1/4" w x 7-5/8" h x 19-1/8" d, 7 " h without feet

            Net weight: 60 lb.

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