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Parasound Halo A23 2 Channel Power Amplifier
Product ID: A23
Manufacturer: Parasound
Product UPC Code: : 791084200140
Parasound Halo A23 2 Channel Power Amplifier
List Price: $995.00
Price: $995.00

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  • Description
  • Specifications
  • Reviews
  •  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.
     
    1 Product Reviews - Average rating 5 / 5 (Show All)

    Click to review this product

    Great Amplifier

    - 3/23/2014

    I have been looking to increase the power for my front two B & W speakers in my theater setup for quite sometime now. I started with a Marantz SR5006 A/V receiver and loved it. This was a huge upgrade from my Best Buy Yamaha.. I noticed a sound quality difference immediately.

    But nothing will top the difference that this A23 has made..

    Right away, I noticed the quality of sound was night and day. Cleaner midrange, the highs became more smooth and the accuracy of the music was astonishing. I listen to classical every now and then and certain sounds that I have never heard in these recordings are now present. Not to mention the amount of headroom I now have in my system. Parasound has made a fantastic amplifier.

    This "b stock" unit arrived looking flawless in its original Parasound packaging with the full 5 year warranty from Parasound. Safe and sound provided excellent customer service. I couldn't have asked for more. Smooth transaction and great pricing. Thank you Mike.


    Click to review this product