Parasound ZoneMaster 250

Fonctionnalités principales:

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, 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)

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
< 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:
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)