Parasound
®
ZoneMaster
™
1250 Owner’s Manual
Page 17
Specifications and Details
Power Output –
RMS, All Channels Driven
(20 Hz - 20 kHz)
50 watts x 12
@
8
Ω
90 watts x 12
@
4
Ω
or 2
Ω
160 watts x 6
@
8
Ω
(Bridged Mode)
200 watts x 6
@
4
Ω
(Bridged Mode)
Minimum Speaker Impedance –
A+B Outputs of a Single Channel
Stereo Mode: 2
Ω
Bridge Mode: 4
Ω
Note: Continuous operation at these minimum impedances might
require additional ventilation for the amplifier.
Frequency Response
10 Hz - 60 kHz, +0/-3 dB
Total Harmonic Distortion
< 0.05 % at typical listening levels
< 1.0% at full power
Interchannel Crosstalk
70 dB at 20 kHz
Input Sensitivity:
700mv = Full output (50 Watts @ 8
Ω
)
Total gain = 29 dB (Level controls set to Maximum)
S/N Ratio
> 112 dB, input shorted, IHF A-weighted
DC Trigger Requirements
+9 Vdc to +12 Vdc, 5 mA
Audio Trigger Requirements
2 mV audio signal
AC Power Requirement:
1500 Watts maximum
100 Watts typical
38 Watts idle (all zones on)
12 Watts idle (one zone on)
0.5 Watts standby
110-130 VAC 60 Hz or 220-255 VAC 50 Hz
Note: AC mains voltage must be set only by a qualified electronics technician.
Dimensions:
Width: 17.25” (437
mm)
Depth: 14.5” (369
mm)
Height, with feet: 4.15” (105
mm)
Height, without feet: 3.5” (89
mm)
Weight:
Net: 17 lbs (7.7kg)
Shipping: 23 lbs (10.4kg)
Specifications and features subject to change or improvement without notice. Rev 1.0, Copyright 2014