Parasound ZoneMaster 12 Universal 24 Speaker Amplifier

Product description

A Multi-Zone Amp for Large Spaces

It's not always easy to find an amp that can drive all the speakers properly in a large multi-room audio system. But the versatile Parasound ZoneMaster 12 is designed for just such a scenario. Zone 1 (channels 1 and 2) gets significantly more power — 120 watts per channel — perfect for driving a demanding stereo speaker pair, or for outdoor applications where more wattage is required. Zones 2-6 (channels 3-12) get 60 watts per channel, which is great for more casual listening in additional rooms.

Features

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 450, or 250.

- Universal amplifier for applications from 60 to 150 watts

- Zone 1 (channel 1&2) are higher power for more demanding applications

- 24 speaker connections (A and B outputs for all 12 channels)

- High current for stable operation at 2 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

- Summed 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

Parasound ZoneMaster 12 Amplifier User's Manual

Specifications

Power Output : Zone 1 (Channel 1–2) 
120 watts x 2 @ 8Ω 
150 watts x 2 @ 4Ω or 2Ω

Power Output : Zone 2-6 (Channels 3–12) 
60 watts x 10 @ 8Ω 
100 watts x 10 @ 4Ω or 2Ω 
Note: Power ratings are RMS, All Channels Driven (20 Hz - 20 kHz)

Minimum Speaker Impedance: 
A+B Outputs of a Single Channel: 2 Ω 
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

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, 5 mA

Audio Trigger Requirements: 2 mV audio signal

AC Power Requirement: 
1550 Watts maximum 
150 Watts typical (audio playing on all zones) 
55 Watts idle (all zones on) 
15 Watts idle (one zone on) 
0.5 Watts standby 
100-250 VAC 50/60 Hz (automatic)

Dimensions:
Width: 17.25" (437 mm) 
Depth: 14.5" (369 mm) 
Depth, with cables: 16" (406 mm) 
Height, with feet: 4.15" (105 mm) 
Height, without feet: 3.5" (89 mm)

Weight: 
Net: 21 lbs (9.5kg) 
Shipping: 27 lbs (12.2kg)

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