The Parasound A 51 five-channel power amplifier delivers 250 watts of Class A/AB power into 8 Ohm and 400 watts into 4 Ohm. As part of Parasound’s Halo amplification series designed by the legendary John Curl you are guaranteed powerful precise sound, the A 51 will perform even in the largest of cinema rooms. Sydney Hi-Fi Castle Hill uses the Parasound Halo series extensively when designing and installing Trinnov immersive audio cinemas.
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:
> 1.5 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:
17-1/4″ w x 7-5/8″ h x 20″ d, 7″ h without feet
Net weight: 80 lb.