Our ZoneMaster models are very similar in their feature sets, differing mainly in size and number of channels.
Looking for more channels? Try the 1250 or 650. Fewer? Try the ZoneMaster 250.
Universal amplifier for applications from 50 to 200 watts
4 speaker connections (not enough room for additional Phoenix connectors on ZM450 rear panel)
High current for stable operation at 2 Ohms
Channel pairs are bridgeable for up to 200 watts @ 4 Ohms
Class AB input stage plus premium Class D power stage
Independent audio sensing triggers, one for each zone
2 Independent 12 volt trigger inputs, one for each zone
Looping 12 volt trigger outputs for each zone
Master 12 volt trigger input to turn all zones on-off
Speaker level input for expanding systems w/out pre out jacks
Bus loop output jacks for passing audio to another amp
Mono mode combines L and R for single speaker applications
Separate level controls for all four channels
Detachable speaker connectors accept up to 12 gauge wire
Short circuit and overheat protection with front panel indicators
0.9 watt standby power consumption meets Energy Star & EU specs
Compact 1u, 1/2 width chassis size
Rack mount kit sold separately
Does NOT have A/B outputs (no room on the rear panel for connectors) but is 2 Ohm stable
Specs
Power Output
RMS, All Channels Driven (20 Hz - 20 kHz)
50 watts x 4 @ 8Ω
90 watts x 4 @ 4Ω or 2Ω
160 watts x 2 @ 8Ω (Bridged)
200 watts x 2 @ 4Ω (Bridged)
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, 2 mA
Audio Trigger Requirements
2 mV Audio Signal
AC Power Requirement:
500 Watts Maximum
30 Watts Typical
15 Watts Idle (All Zones on)
7.5 Watts Idle (One Zone on)
0.9 Watts Standby
110-130 VAC 60 Hz or 220-255 VAC 50 Hz
Note: AC mains voltage is set only by qualified electronics technician.
Dimensions:
Width: 8.5" (220 mm)
Depth: 10" (254 mm)
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 (3.4kg)
