Parasound ZoneMaster Series Multi-Channel Power Amplifiers


ZoneMaster 1250

Our new ZoneMaster models are very similar in their feature sets, differing mainly in size and number of channels.
Looking for fewer channels? Try the 650, 450, or 250.
Universal amplifier for applications from 50 to 200 watts
24 speaker connections (A and B outputs for all 12 channels)
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
6 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
Two bus inputs can be routed to any zone
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 twelve channels
Detachable speaker connectors accept up to 12 gauge wire
Short circuit and overheat protection with front panel indicators
0.5 watt standby power consumption meets Energy Star & EU specs
Compact 2U chassis
2U rack mounting hardware is included in box.

Power Output
RMS, All Channels Driven (20 Hz – 20 kHz)

50 watts x 12 @ 8Ω
90 watts x 12 @ 4Ω or 2Ω
160 watts x 6 @ 8Ω (Bridged)
200 watts x 6 @ 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: 
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 is set only by qualified electronics technician.

Width: 17.25″ (437 mm)
Depth: 14.5″ (369 mm)
Height, with feet: 4.25″ (108 mm)
Height, without feet: 3.5″ (89 mm)

Net: 17 lbs (7.7kg)
Shipping: 23 lbs (10.4kgs)

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