Parasound
®
ZoneMaster
™
450 Owner’s Manual
Page 17
Specifications and Details
Power Output
–
RMS, All Channels Driven
(20 Hz - 20 kHz)
50 watts x 4
@
8Ω
90 watts x 4
@
4
Ω or 2Ω
160 watts x 2
@
8Ω (Bridged Mode)
200 watts x 2
@
4
Ω (Bridged Mode)
Minimum Speaker Impedance
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
< 0.9% 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:
500 Watts maximum
30 Watts typical (music playing in both zones)
15 Watts idle (both zones on)
7.5 Watts idle (one zone on)
0.9 Watts in 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: 8.5
” (220
mm)
Depth: 10” (254 mm)
Depth: 12
” (305
mm) with AC cord and cables connected
Height, with feet: 2
” (51
mm)
Height, without feet: 1.75
” (45
mm), 1U
Weight:
Net: 4.5 lbs. (2.0kg)
Shipping: 7.5 lbs. (3.4 kg)
Specifications and features subject to change or improvement without notice. Rev 1.0, Copyright 2015
