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Table of Contents

Important Safety Instructions .........................................................................................3

Figure #1 Zonemaster Z-12 Front and Rear Panel Drawings ....................................... 4

Introduction ......................................................................................................................6

Installing and Rack Mounting .........................................................................................6

Ventilation Requirements ................................................................................................6

Connecting the Zonemaster Z-12 ...................................................................................7

Speaker Connections ......................................................................................................9

Automatic Turn On Options .............................................................................................11

AC Power Connections and AC Grounding ...................................................................12

Operating Your Zonemaster Z-12 ....................................................................................12

Maintaining Your Parasound Amplifier ...........................................................................13

In Case of Trouble .............................................................................................................14

Parasound Zonemaster Z-12 Specifications .................................................................16

Special Features of the Parasound Zonemaster Z-12

50 Watts Per Channel into 8 

, Less than 0.2% THD

100 Watts Per Channel Pair Bridged into 8 

, Less than 0.2% THD

10  Amperes Peak Current Per Channel

Direct Coupled with DC Servo Circuitry

Encapsulated 1.2 kVA Toroidal Power Transformer

120,000 

µ

F Distributed Power Supply Capacitance

24 Discrete High Speed Output Transistors

Automatic Power On-Off by 9 V to 12 V Trigger or Audio Signal

Occupies Four Rack Spaces in a 19-inch Equipment Rack

Modular Construction

Multiple Relay Protection

Level Controls for Each Channel

 Gold-Plated RCA Input Jacks

Gold-Plated 5-Way Speaker Terminals

Impedance Protection Switches

Left and Right Input Buses

Looping Output Connectors

Current Overload Indicators

Rear Carry Handles

Removable IEC AC Cord

Summary of Contents for ZoneMaster Z-12

Page 1: ...1 O W N E R S M A N U A L ZoneMaster Z 12 High Current Amplifier www parasound com...

Page 2: ...nnel into 8 Less than 0 2 THD 100 Watts Per Channel Pair Bridged into 8 Less than 0 2 THD 10 Amperes Peak Current Per Channel Direct Coupled with DC Servo Circuitry Encapsulated 1 2 kVA Toroidal Power...

Page 3: ...This plug will only fit into a grounding power outlet If you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of...

Page 4: ...2 T15A 115 120 Area T8A 230V 250V Area AC 115 V 60 Hz AC 230 V 50 Hz Power Consumption 1100 W Normal Bridged Mono Ch 12 In Ch 11 Ch 12 Local R L R L Bus Local R L R L Bus Bridged To Prevent Fire Or Sh...

Page 5: ...o n e m a s t e r Z 1 2 H i g h C u r r e n t A m p l i f i e r 1 2 3 4 5 6 7 8 9 10 11 12 Stand by On Off Au to On AC Line High Temp Power Switch Operation Status Indicators Rack Mount Holes Carry Ha...

Page 6: ...sure that your cabinet or shelf can support its weight You should provide a separate shelf for your Zonemaster Z 12 rather that stacking it directly above or below other components The Z 12 front pan...

Page 7: ...ves its signals You can assign each input to receive its signal from the Main Left Input or Main Right Input a mono sum of both the Left and Right Inputs or its independent input jack Input Assignment...

Page 8: ...m controller to the Left and Right Input Bus 2 Set the Ch 3 Input Assignment switch to its R L position 3 Set the Ch 4 Input Assignment switch to its R L position 4 Connect the Ch 3 Speaker Terminals...

Page 9: ...o AWG 12 To properly terminate the banana plugs follow these steps 1 Remove the insulating boot from the banana plug and slide it up onto one of the speaker wires Be sure to use the red boot for the p...

Page 10: ...able to the red even number channel Ch 2 Ch 4 Ch 6 etc speaker terminal of the bridged channel pair 5 Connect the negative lead of the speaker cable to the red odd number channel Ch 1 Ch 3 Ch 5 etc sp...

Page 11: ...ut Connection The Z 12 can be triggered on with an external DC voltage source that ranges from between 9Vand 12V ManyaudiovideocontrollerssuchastheParasoundAVC 2500havetrigger outputs for this task To...

Page 12: ...nding on how you have configured the Z 12 you can use these controls to properly match the levels from zone to zone or channel to channel Each channel is marked on the top cover to identify levels wit...

Page 13: ...the channel pair Temperature overheating Channel s are being overdriven Load impedance too low or short circuited wires Blown internal B or B fuse s LEDs not illuminated Remote enable is disabled by...

Page 14: ...tain a Return Authorization RA number The RA number must be clearly marked on the outer carton only Ship the unit with adequate insurance and a copy of your purchase receipt inside to validate your wa...

Page 15: ...0 03 TIM Unmeasureable Dynamic Headroom 1 5 dB Interchannel Crosstalk 50 dB at 1 kHz 40 dB at 20 kHz Input Impedance 47 k for each channel Input Sensitivity 1 2 V for full output S N Ratio 86 dB inpu...

Page 16: ...16 2000 Parasound Products Inc Rev 1 1 Parasound Products Inc 950 Battery Street San Francisco CA 94111 415 397 7100 FAX 415 397 0144 www parasound com...

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