Parasound A 21 - Manual (Page 22)

Power Output - Both Channels Driven
250 watts RMS x 2, continuous,
20 Hz - 20 kHz, 8 Ω
400 watts RMS x 2, continuous,
20 Hz - 20 kHz, 4 Ω
Power Output - Mono
750 watts RMS, 20 Hz - 20 kHz, 8 Ω
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
Unmeasureable
Dynamic Headroom
> 1.5 dB
Interchannel Crosstalk
> 80 dB at 1 kHz
> 63 dB at 20 kHz
Input Impedance
Unbalanced: 33 k Ω
Balanced: 66 k Ω
Input Sensitivity for 28.28 V Output into 8 Ω
Unbalanced: 1 V
Balanced: 1 V per leg
Features and specifications subject to change
without notice.
Loop Output Level
Same as input level
S/N Ratio
> 112 dB, input shorted, IHF A-weighted
> 102 dB, input shorted, unweighted
Damping Factor
> 1100 at 20 Hz
DC Trigger Requirements
+9 Vdc to +12 Vdc, 2 mA
Audio Trigger Requirements
50 mV AC - 200 mV AC
DC Trigger Output Capacity Requirements
+12 Vdc, 150 mA
Dimensions
Width: 17 -1/2 ” (445 mm)
Panel height: 7” (178 mm)
Height with feet: 7- 5/8 ” (194 mm)
Depth: 19- 1/8 ” (485 mm)
Power Requirement
Standby: 25 Watts
Full Power into 4 Ω: 1500 Watts
Net Weight
60 lb. (27.3 kg)
Shipping Weight
74 lb. (33.7 kg)
V 1.0 © Parasound Products, Inc. 2002.
PARASOUND A 21 SPECIFICATIONS 19