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PARASOUND HALO A51 5 Channel Power Amplifier - Black (only)
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PARASOUND HALO A51 5 Channel Power Amplifier - Black (only) PARASOUND HALO A51 5 Channel Power Amplifier - Black (only) PARASOUND HALO A51 5 Channel Power Amplifier - Black (only)

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PARASOUND HALO A51 5 Channel Power Amplifier - Black (only)

"If that 2-channel test drive had me thinking about buying the A 51, the multichannel experience made me want to slap down my Visa card." "With music, the A 51 radiated sweetness and light. With action films, it rained thunder and lightning. There aren't many amplifiers that can so effortlessly cover both ends of the sonic spectrum." "Beautifully designed and skillfully executed, Parasound's Halo A 51 is all the amp anyone could need..." - Barry Willis - Stereophile Guide to Home Theater, October 2003

$11,025.00
SKU
paraa51b

"If that 2-channel test drive had me thinking about buying the A 51, the multichannel experience made me want to slap down my Visa card." "With music, the A 51 radiated sweetness and light. With action films, it rained thunder and lightning. There aren't many amplifiers that can so effortlessly cover both ends of the sonic spectrum." "Beautifully designed and skillfully executed, Parasound's Halo A 51 is all the amp anyone could need..." - Barry Willis - Stereophile Guide to Home Theater, October 2003

  • 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
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 > 1.5dB
Interchannel Crosstalk >78dB at 1kHz
  > 63 dB at 20kHz
Input Sensitivity 1 V for 28.28 V, THX Reference level
Input Impedance 47 k Ω unbalanced; 94 k Ω balanced
S/N Ratio 112 dB, Input Shorted, IHF A-Weighted
Damping Factor >1100 at 20Hz
Voltage 220 V - 240 V
Dimensions 44cm w x 20cm h x 51cm d
Net Weight 37 kg

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