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Parasound

®

 ZoneMaster

 

 450 Owner’s Manual  

Page 5

 

 

INTRODUCTION 

 

Congrat ulat ions on your purchase of  t his precision audio  product  and t hank you f or select ing 
Parasound. We are proud t o off er you this versat ile  amplif ier, know ing t hat  it w ill bring you many years 
of  enjoyment  and dependable operat ion. Please t ake a f ew  moment s t o read t he f ollow ing inst ruct ions 
so you can enjoy all t he benef it s of  your new  ZoneMast er 450

’ s advanced performance capabilities.   

 
You can f ind det ails of  the ZoneMast er 450

’ s specifications and advanced technology at 

w w w .parasound.com. 
 
Enjoy. 

 
The Parasound Staff 

www.parasound.com 

 

 

Keep your Purchase Receipt/Dealer Invoice for future reference 

 

Keep the carton in the event it is needed in the future 
 

Record the 5 digit serial number located on the bottom side of your ZoneMaster 450 in the space below.  
Also note your Parasound dealer’s name and telephone number. Your purchase receipt-dealer invoice is 
required to determine if your ZoneMaster 450 is eligible for Parasound warranty service. We recommend that 
you make an extra copy of your original purchase receipt-dealer invoice and store it inside the ZoneMaster 
450

’s carton. If the ZoneMaster 450 should require warranty repair you will need its original carton and foam 

packing inserts to ship it. 
   

Please do not throw away the carton or foam packing inserts.

 

 
 

Parasound ZoneMaster 450 Serial # ____________________  

Parasound Dealer: ___________________________________ 

Parasound Dealer Phone Number: _______________________ 

Date of Purchase: ____________________________________

 

 
 

Important Warranty information 
 

There is no Parasound warranty for this unit if it was not purchased from an Authorized 
Parasound Dealer. 

Investigate warranty coverage statements made by 

unauthorized 

dealers very carefully, 

as Parasound will not provide service under our warranty and you will need to depend entirely upon the 
unauthorized dealer for warranty service. A list of Authorized Parasound Dealers and detailed warranty 
information is available at 

www.parasound.com 

or you can call Parasound at 

(415) 397-7100 

between 8:30 

am and 4 pm Pacific time. 

 

A missing or altered serial number could indicate that this unit was re-sold by an unauthorized 
dealer or is stolen merchandise. If this unit is missing its serial number or the serial number has 
been altered, you should return it to your dealer immediately for a full refund. 

 

 

 

Summary of Contents for ZoneMaster Model 450

Page 1: ...TM M M ZoneMaster Model 450 Universal Four Channel Amplifier Owner s Manual...

Page 2: ...Parasound ZoneMaster 450 Owner s Manual Page 2...

Page 3: ...e prong grounding plug 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...

Page 4: ...Parasound ZoneMaster 450 Owner s Manual Page 4...

Page 5: ...dealer invoice and store it inside the ZoneMaster 450 s carton If the ZoneMaster 450 should require warranty repair you will need its original carton and foam packing inserts to ship it Please do not...

Page 6: ...Speaker Level Input Connector 9 Speaker Impedance and Paralleling Multiple Speakers 10 Rear Panel Mode Switch 11 Channel Level Controls and Uses 12 Turn On Options 13 Selecting Audio Trigger or 12V T...

Page 7: ...k or any other enclosed space You should never install the ZoneMaster 450 in an unventilated equipment cabinet or compartment because hot air will not exhaust adequately to prevent overheating Even a...

Page 8: ...ng Mexico as well as in Taiwan In some countries such as Brazil AC voltage varies by region Most other countries require setting this switch to 230V With the 230V setting the ZoneMaster 450 can operat...

Page 9: ...akers that are already connected directly to the host receiver or amplifier Audio connected to the Speaker Level input connector will be routed to the Left and Right inputs of zone 1 Speaker level aud...

Page 10: ...onnect multiple speakers to each channel This is done by simply twisting the two positive speaker wires together and connecting them to the positive speaker output on the 450 The same should be done w...

Page 11: ...dged mode can be used to drive larger or less efficient speakers in large spaces where more power is needed A typical use of the bridged mode would be to run Zones 1 and 2 in Bridged Mode to power a s...

Page 12: ...450 s Level controls until the volume level in the room or zone is as high as you or the home owner might ever want it to be This is the most appropriate setting for the Level controls because it will...

Page 13: ...vent the amplifier from being turned on or off manually or by mistake Note The 12V turn on trigger circuit in the ZoneMaster 450 requires a mere 5mA from the 12V trigger source Audio Each zone can be...

Page 14: ...nt and volume levels This also indicates a problem Both channel number indicators for a zone will always illuminate the same color Causes for the front panel indicators to illuminate red are The speak...

Page 15: ...e channel sees only 4 ohms If two 4 ohm speakers are attached the channel sees only 2 ohms The zone may have overheated and will not resume operation until it cools down Ensure that you have provided...

Page 16: ...re outside the Warranty Unit is not eligible for repair under the terms of the Parasound warranty if 1 Unit was not purchased from a Parasound Authorized Dealer 2 You do not have the original bill of...

Page 17: ...50 Watts 8 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 Po...

Page 18: ...____________ ____________________________________________ ____________________________________________ ____________________________________________ ____________________________________________ _______...

Page 19: ...Parasound ZoneMaster 450 Owner s Manual Page 19...

Page 20: ...Parasound ZoneMaster 450 Owner s Manual Page 20 Parasound Products Inc 2250 McKinnon Ave San Francisco CA 94124 Customer Service 415 397 7100 www parasound com...

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