Parasound HaloA21Parasound Halo A21 - Power AmplifierI've never seen so many reviews where A21 owners personally thanked the amp designer. My favorite... " Hats off to you John, A damn good job!".  It seems the reviews share the passion for a well de...1455.00

Parasound Halo A21 - Power Amplifier [Expired]


no longer for sale

I've never seen so many reviews where A21 owners personally thanked the amp designer. My favorite... " Hats off to you John, A damn good job!".  It seems the reviews share the passion for a well designed amp.
This unit was a trade-in, and was extremely well cared for.  Its practically new in the box.
FEATURES:
  • 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

SPECIFICATIONS:
  • 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.


SALON 1 Audio specializes in quality trades, used and demo equipment at a significant savings over retail. We have a 'rare' audio showroom and listening room on Florida's East coast and we ship worldwide.

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