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  • 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
  • 40 beta-matched 15 amp, 60 MHz bipolar output transistors
  • 2.2 kVA encapsulated toroid power transformer with independent
      secondary windings for each channel
  • 164,000 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
  • 4u Chassis, carry handles, rack mounting adapter included

Parasound A 51 5-Channel Power Amplifier

$5,999.00Price
Expected to ship within 3-5 business days from product's arrival to our warehouse.

Continuous power output:
250 watts RMS x 5, 20 Hz - 20 kHz, 8 Ω, all channels driven
400 watts RMS x 5, 20 Hz - 20 kHz, 4 Ω, all channels driven

 

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

 

Input sensitivity:
1 V for 28.28 V, THX Reference Lev

 

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

 

Voltage:
110V - 120V

 

Dimensions:
17-1/2" w x 7-5/8" h x 20" d, 7" h without feet

 

Net weight: 80 lb.

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