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BEFORE THE HALO, PARASOUND HCA 1500A, JOHN CURLS BEST HC...
BEFORE THE HALO, PARASOUND HCA 1500A, JOHN CURLS BEST HC...
Nov 16, 2024
Description

  THIS IS A VERY NICE AMP, LOADS OF POWER, RYTHMIC, MUSICAL, VERY LOW NOISE, EXTREMELY DETAILED WITHOUT THE LEAST BIT BRIGHT. SOUNDS BETTER THAN THE HALO OR CLASSIC PARASOUNDS. MORE ANALOG WARMTH.IT COMES FROM A CLEAN SMOKE AND PET FREE ENVIRONMENT. THIS FORTY POUND AMPLIFIER WILL BE WELL PACKAGED FOR A SAFE FREE TRIP TO ANY OF THE LOWER FORTY EIGHT US STATES.THANK YOU FOR THE INTEREST...FEATURES

  Designed by John Curl

  THX certified by Lucasfilm Ltd.

  Independent power supplies for each channel

  Massive 1 kVA toroid power transformer

  60,000 �F computer-grade capacitors in power supply

  Multiple polystyrene film bypass capacitors in power supply

  DC Trigger Auto On Feature

  Cascoded Class A input stages with matched J-FET pairs

  Handpicked complementary MOSFET transistors in high voltage driver stage

  8 complementary pairs of 15 ampere 50 MHz output transistors

  Output transistors direct-coupled to speakers without LRC networks

  DC servo direct-coupled audio circuits with 0.8 Hz rolloff

  High-bias Class A/AB operation

  Gold-plated metal structure RCA input jacks

  Gold-plated looping output jacks

  Multiple temperature sensors and silver-cadmium relay protection

  Glass epoxy circuit boards, double-sided for precision

  Custom designed audiophile-grade AC power cord

  Multiple Protection Circuits

  SPECIFICATIONS

  Continuous Power Output - Stereo:

      205 Watts RMS x 2, 20 Hz-20 kHz, 8 Ω, both channels driven

      315 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, both channels driven

  Continuous Power Output - Mono:     630 watts RMS, 20 Hz - 20 kHz, 8 Ω

  Current Capacity:     60 amperes peak per channel

  Slew Rate:    > 130 V/�second

  Frequency Response:    5 Hz - 100 kHz, +0/-3 dB at 1 watt

  Total Harmonic Distortion:   

  1.5 dB

  Interchannel Crosstalk:    > 80

  dB at 1 kHz; >

  60 dB at 20 kHz

  Input Impedance:    33 k Ω

  Input Sensitivity:     1 V for 28.28 V, THX Reference Level; 1.2 V for full output

  S/N Ratio:    > 110 dB, input shorted, IHF A-weighted

  Damping Factor:    >

  800 at 20 Hz

  Power Consumption:     500 watts

  Dimensions:     w 19" x h 5 1/4" x d 16", h 5 7/8" with feet

  Net Weight:    40 lb

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