• ZoneMaster models are very similar in their feature sets, differing mainly in size and number of channels.
Looking for more channels? Try the 1250, 650, or 450.
•Universal amplifier for applications from 50 to 200 watts
•4 speaker connections (A and B outputs for both 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
•One Independent audio sensing trigger
•One Independent 12 volt trigger input
•Looping 12 volt trigger output for one zone
•Speaker level input for expanding systems w/out pre out jacks
•One bus input can be routed to any zone
•Looping output to connect additional amplifiers
•Mono mode combines L and R for single speaker applications
•Separate level controls for both 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
ZoneMaster 250 Specific Features:-
•Compact 1u, 1/2 width chassis size
•Rack mount kit sold separately (click to view)
•Full Range Mono RCA Output
•80Hz low pass Mono RCA output (for sub)
•Built in 80Hz low pass filter in bridged mode for driving in-wall/in-ceiling woofers or passive sub(s)
Technical Specifications:-
Power Output:
RMS, All Channels Driven (20 Hz - 20 kHz)
50 watts x 2 @ 8Ω
90 watts x 2 @ 4Ω or 2Ω
160 watts x 1 @ 8Ω (Bridged)
200 watts x 1 @ 4Ω (Bridged)
Frequency Response:
10 Hz - 60 kHz, +0/-3 dB
Total Harmonic Distortion:
Less than 0.05% at typical listening levels
Less than 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:
Greater than 112 dB, input shorted, IHF A-weighted
DC Trigger Requirements:
Plus 9 Vdc to +12 Vdc, 2 mA
Audio Trigger Requirements:
2 mV Audio Signal
AC Power Requirement:
250 Watts Maximum
15 Watts Typical
7.5 Watts Idle
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.
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: 4.0 lbs (1.8kg)
Shipping: 7 lbs (3.1kg)
Accessories