Parasound Halo A51 5 Channel Amplifier

$8,750.00

Features & Specifications

• 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

Specs:

• Continuous power output:250 watts RMS x 5, 20 Hz – 20 kHz, 8 Ω, all channels driven400 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.