Parasound Halo A52+ Five-Channel Power Amplifier

*180 watts RMS x 5, 8 Ohms
*225 watts RMS x2, 8 Ohms
*Circuitry designed by legendary John Curl
*High bias Class A/AB operation
*Balanced inputs of discrete circuits and XLR connectors
*Direct Coupled for cleanest signal
*MOSFET driver stage and JFET input stage, hand-matched

  • Circuitry designed by legendary John Curl
  • High bias Class A/AB operation
  • Balanced inputs with discrete circuits and XLR connectors
  • Direct Coupled – no capacitors or inductors in signal path
  • Hand-matched MOSFET driver stage and JFET input stage
  • Full power is rated all the way down to 5Hz for unrestricted low-end bass
  • Beta-matched 15 amp, 60 MHz bipolar output transistors
  • 1.5 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
  • Heavy-duty 24k gold-plated 5-way speaker terminals
  • 3u Chassis, rack mountable

Continuous power output:
180 watts RMS x 5, 20 Hz – 20 kHz, 8 Ω, all channels driven
225 watts RMS x 2, 20 Hz – 20 kHz, 8 Ω, all channels driven

225 watts RMS x 5, 20 Hz – 20 kHz, 4 Ω, all channels driven
350 watts RMS x 2, 20 Hz – 20 kHz, 4 Ω, all channels driven

Current capacity:
45 amperes peak per channel

Power bandwidth:
5 Hz – 100 kHz, +0/-3 dB

Total harmonic distortion:
< 0.05 % at full power

IM distortion: balanced 16 V rms
< 0.04 %

Slew rate:
> 130 V/µsecond

Dynamic headroom:
> 1.5 dB

Interchannel crosstalk:
> 78 dB at 1 kHz;
> 63 dB at 20 kHz

Input sensitivity:
1 V for 28.28 V

Input impedance:
47 k Ω unbalanced; 94 k Ω balanced

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

Damping factor:
> 1100 at 20 Hz

Dimensions:
17-1/4″ w x 5-1/4″ h x 20″ d, 5-7/8″ h without feet

Net weight: 55 lb. (25.0kg)

http://www.parasound.com/a52+.php

Multi-awarded & reviews:  

HiFi Review (HK) December 2018

Enjoy the Music July 2018

Stereophile May 2018

Sound and Vision April 2018

and more…

Price:  RM15,000

2 Years local warranty.

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