Parasound A 31 Stereo Amplifier User Manual


 
19
Input Sensitivity for 28.28 V Output into 8
Unbalanced: 1 V
Balanced: 1 V per leg
(Gain controls set to Normal / THX)
S/N Ratio
> 112 dB, input shorted, IHF A-weighted
> 102 dB, input shorted, unweigh
Damping Factor
> 1100 at 20 Hz
DC Trigger Requirements
+9 Vdc to +12 Vdc, 2 mA
Audio Trigger Requirements
2 mV AC - 10 mV AC
XLR Pin Identification
1 = Ground (Shield)
2 = Positive
3 = Negative (Return)
Dimensions
Width: 1712" (445 mm)
Panel height: 7" (178 mm)
Height with feet: 7 58" (194 mm)
Depth: 19 1/8" (485 mm)
Net Weight
65 lb. (29.5 kg)
Shipping Weight
79 lb. (35.9 kg)
Power Requirement
Standby: 1 Watt
Maximum: 1800 Watts
Specifications
Power Output - All Channels Driven
250 watts RMS x 3, continuous,
(20 Hz - 20 kHz, 8)
400 watts RMS x 3, continuous,
(20 Hz - 20 kHz, 4)
Current Capacity:
60 amperes peak per channel
Slew Rate
> 130 volts per microsecond
Frequency Response
5 Hz - 100 kHz, +0/-3 dB at 1 watt
Total Harmonic Distortion
< 0.2 % at full power
< 0.03 % at typical listening levels
IM Distortion
< 0.04 %
TIM
Unmeasurable
Dynamic Headroom
> 1.5 dB
Interchannel Crosstalk
> 78 dB at 1 kHz
> 63 dB at 20 kHz
Input Impedance
Unbalanced: 47k
Balanced: 94k per leg
Specifications and features subject to change or improvement without notice.
Copyright Parasound Product Inc., 2012
Rev. 1.0
www.parasound.com