Parasound Halo A 31
Features
250 watts x 3 @ 8 Ohms / 400 watts x 3 @ 4 Ohms
Adjustable gain for up to +6db over THX Reference level
Unbalanced RCA and balanced XLR inputs
Circuitry designed by legendary John Curl
High bias class A/AB operation
PRODUCT DETAILS
Technical Specifications
Continuous power output-
250 watts RMS x 3, 20 Hz - 20 kHz, 8 Ω, all channels driven
400 watts RMS x 3, 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)
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
Physical Specifications
Dimensions-17-1/2" w x 7-5/8" h x 20" d, 7" h without feet
Net weight- 65 lb.
Shipping weight- 79 lb.
