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Cutting Edge Electronics since 1982
phone 918-495-0586
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ZoneMaster 2 Universal 2 Channel 4 Speaker Amplifier with Sub Crossover

Model # ZONEMASTER2

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  • 120 watts x2 @ 8
  • 150 watts x2 @ 4 or 2
  • 4 speaker connections (A and B outputs for both channels)
  • High current for stable operation at 2 Ohms
  • Class AB input stage plus premium Class D power stage
  • Audio sensing auto-on trigger
  • 12 volt auto-on trigger input
  • Looping 12 volt trigger output
  • Speaker level input for expanding systems w/out pre out jacks
  • 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 2 Specific Features
  • Compact 1u, 1/2 width chassis size
  • "ZRK" 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, Both Channels Driven (20 Hz - 20 kHz) 120 watts x 2 @ 8
150 watts x 2 @ 4 or 2
Minimum Speaker Impedance: A+B Outputs of a Single Channel: 2

Note: Continuous operation at this minimum impedance might require additional ventilation for the amplifier.
Frequency Response: 20 Hz - 20 kHz, +0/-0.25 dB
5 Hz - 50 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 Interchannel Crosstalk: 70 dB at 20 kHz
Total Gain: 29 dB (Level controls set to Maximum) Total Gain: 29 dB (Level controls set to Maximum)
S/N Ratio: >112 dB, input shorted, IHF A-weighted S/N Ratio: >112 dB, input shorted, IHF A-weighted
DC Trigger Requirements: +9 Vdc to +12 Vdc, 5 mA DC Trigger Requirements: +9 Vdc to +12 Vdc, 5 mA
Audio Trigger Requirements: 2 mV audio signal Audio Trigger Requirements: 2 mV audio signal
Low Pass Crossover: 80 Hz, 18 dB per octave Low Pass Crossover: 80 Hz, 18 dB per octave
AC Power Requirement: 300 Watts maximum
30 Watts typical (music playing)
15 Watts idle (no music playing)
0.5 Watts in standby
100-250 VAC 50/60 Hz (automatic)
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: 4.3 lbs. (2.0kg)
Shipping: 7.3 lbs. (3.3 kg)

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Electronics can be large, heavy, and expensive and you probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new electronics should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

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