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A 51 Features:
Continuous power output: 250 watts RMS x 5, 20 Hz - 20 kHz, 8 W, all channels driven
400 watts RMS x 5, 20 Hz - 20 kHz, 4 W, 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: < 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 Level Input impedance: 47 k W unbalanced; 94 k W balanced
S/N ratio: > 112 dB, input shorted, IHF A-weighted Damping factor: > 1100 at 20 Hz
Voltage: 110V – 120V
Dimensions: 17-1/4" w x 7-5/8" h x 20" d, 7" h without feet
Net weight: 80 lbs.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’s 10 years parts, 5 years labor warranty
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