Parasound - HALO A51 - Power Amplifier

Upgrade your AVR and use for Left, Center, Right, Surrounds!

Features

• 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

Specifications

• Power Output - All Channels Driven: 250 watts RMS x 5, continuous, 20 Hz - 20 kHz; 8Ω 400 watts RMS x 5, continuous, 20 Hz - 20 kHz, 4Ω
• 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.