The Parasound Halo A51 boasts cutting-edge amplifier technology, meeting the high standards of quality and performance set by Parasound. This results in an exceptional audio component with unmatched durability and long-lasting enjoyment.
 Key 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
- Heavy-duty 24k gold-plated 5-way speaker terminals
- Gold-plated RCA input jacks; ground lift switch
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Specifications:
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 wattÂ
Total harmonic distortion:
< 0.2 % at full powerÂ
IM distortion:Â balanced 16 V rms
< 0.04 %Â
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 balancedÂ
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:Â 80 lb.
