Parasound A21 Plus Stereo Power Amplifier at Audio Influence

Parasound A21 Plus Stereo Power Amplifier

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Regular price$6,995.00
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10 interest free payments from $699.50 with

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FEATURES
  • 300 watts x 2 @ 8 Ω RMS, both channels driven
  • 500 watts x 2 @ 4 Ω RMS, both channels driven
  • 1000 watts x 1 @ 8 Ω, in bridged mode
  • Circuitry designed by legendary John Curl
  • High bias Class A/AB operation
  • 60 amperes peak current per channel
  • Stable with speaker impedance dips to 1.5 Ω
  • Balanced inputs with discrete circuits
  • CHK Infinium, custom 5-way speaker binding posts
  • Gold-plated RCA input & loop output jacks
  • Direct-coupled signal path, no capacitors or inductors
  • DC Servo and relay protection circuits
  • AC turn-on inrush surge protection with relay bypass
  • JFET input stage, MOSFET driver stage
  • 16 beta-matched 15 ampere, 60 MHz bipolar output transistors
  • 1.3 kVA shielded toroid transformer w/ independent windings for each channel
  • Independent power supplies for input stage, driver stage and output stage
  • 108,000 µF filter capacitors for output stages
  • Full power is rated all the way down to 5Hz for unrestricted low-end bass
  • Harris hyper-fast soft-recovery bridge diode rectifiers
  • Automatic turn-on by 12 V trigger or audio sensing
  • 4 rack space chassis with rear carry handles
  • Rack mount hardware is included
  • Available in silver or black

SPECIFICATIONS

  • Dimensions Width:
    17-5/8" (448 mm) Height without feet: 7-1/8" (181 mm) Height with feet: 7-3/4" " (197 mm) Depth: 20" (508 mm) Depth with cables: 21-1/2" (546 mm)
  • Net Weight:
    71 lb. (32.2 kg)
  • Power Output - Stereo Mode:
    (0.1% THD) 300 watts x 2, 8 Ω both channels driven 500 watts x 2, 4 Ω both channels driven
  • Power Output – Bridged Mode:
    (0.1% THD) 1000 watts x 1, 8 Ω Bridged 4 Ω operation is not recommended
  • Power measurement are at 120 VAC:
    0.1% THD, RMS continuous power, full audio band (20 Hz - 20 kHz)
  • Current Capacity:
    60 amps peak, per channel
  • Slew Rate:
    > 130 volts per microsecond
  • Frequency Response:
    5 Hz - 100 kHz, +0/-3 dB 20 Hz - 20 kHz, +0/-0.25 dB
  • Total Harmonic Distortion (THD):
    < 0.1 % at full power < 0.03 % at typical listening levels

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Product Type: Power Amplifiers Amplifiers

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