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Call your Parasound dealer first. If the dealer can’t help you with your problem we encourage 
you to call Parasound’s Technical Service Department, toll-free at 

1-866-770-8324

, Monday - 

Friday, 8am - 4pm Pacific time. We can suggest other diagnostic tests you can easily perform. 
If we determine that your Model 2250 should be returned to Parasound or an Authorized 
Parasound Warranty Center for inspection and possible servicing, we will provide the location 
of a warranty center near you or shipping instructions and a Return Authorization number for its 
return to Parasound.

Before You Return Any Unit to Parasound for Service

Before you send your unit to Parasound, you will need to obtain a specific Return Authorization 
(RA) number and shipping instructions from Parasound’s Technical Department. The RA number 
must be clearly marked on the outer carton. Use the original factory packing materials and 
arrange adequate insurance to cover its value. You must include a copy of your purchase 
receipt, since this document establishes the validity of this unit’s warranty. Warranty repairs are 
only performed by Parasound or Parasound Authorized warranty centers when your purchase 
receipt is from a Parasound Authorized Dealer or Parasound Authorized Reseller.

Units Will Be Refused by Parasound Under the Following Conditions

1.  Unit was sent without the Parasound-assigned RA number marked on the carton.
2.  Unit was sent in an unsuitable shipping carton, likely to have been damaged in transit.
3.  Unit has inadequate packing, unit likely to have been damaged in transit.
4.  Unit was shipped collect for shipping charges. We do not accept collect shipments.
5.  Unit was shipped via the US Postal Service.
6.  Unit was sent to an address other than the address instructed by our Technical Department.

Note: 

The shipping address is not the same as Parasound’s office address.

Warranty Repair

Read your accompanying Parasound Limited Warranty carefully to understand the applicable rights 
and limitations. This section provides instructions for obtaining repairs, both for units covered 
under the Parasound Limited Warranty and for units or situations which are 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 or Parasound Authorized Reseller.
2.  You are not the original owner. The warranty is not transferable.
3.  Unit’s serial number was removed, modified, or defaced.
4.  Unit shows evidence of abuse and/or misuse.
5.  Unit was modified in any way.
6.  A prior repair was attempted by an unauthorized repair station.

IF YOU REQUIRE ASSISTANCE

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Summary of Contents for NewClassic Model 2250

Page 1: ...Model 2250 Two Channel Amplifier Model 2250 Two Channel Power Amplifier OWNER S GUIDE...

Page 2: ...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 the ground...

Page 3: ...High Pass Filter Switch 4 Speaker Connections 5 Bridging Switch Stereo Mono 5 Mono Input 6 Speaker Connections 6 Load Impedance Switch 6 AutoTurn On 6 Sensitivity Adjust Knob 8 Ground Switch 8 Front P...

Page 4: ...u begin installation Unpacking Carefully unpack your Model 2250 and these accessories Detachable AC power cord Black trigger wire with a 2 5 mm sub mini plug at both ends Black trigger wire with a 2 5...

Page 5: ...kets of intense heat can still develop around any heat producing equipment Therefore a ventilation fan is high ly recommended Allow a few inches of empty space on each side and above the unit and try...

Page 6: ...ther THX certified components Note You may wish to experiment with different gain settings on your preamp or a non THX surround controller and on the Model 2250 to find a combination of gain settings...

Page 7: ...els Not having to amplify bass that s inaudible with your speakers is another way the 275 will run cooler Note Autoformer type passive volume controls are highly reactive loads that are known to cause...

Page 8: ...sum of the L and R channel outputs for stereo operation Mono Input and Speaker Connections 1 Turn the unit off and remove the AC cord 2 Connect the single cable from the preamp or controller to the R...

Page 9: ...et to its 12V position the Model 2250 is turned on and off with an external 9V to 12V voltage from your preamp or controller When the external volt age ceases the Model 2250 will turn off immediately...

Page 10: ...s AC cord for the first time will usually create an internal power surge that false triggers its Audio auto turn on even if there s no audio signal at its input jacks and it will remain on for 10 15...

Page 11: ...al fault or if the temperature is too high Protect Indicator Protect will illuminate red when the Model 2250 has experienced either an internal or external fault condition which has also activated its...

Page 12: ...illuminated Check for excessive temperature short circuited speaker wires low impedance speaker load and inadequate ventilation to remove heat Background Hum Move the Ground switch to Lift Move audio...

Page 13: ...Dealer or Parasound Authorized Reseller Units Will Be Refused by Parasound Under the Following Conditions 1 Unit was sent without the Parasound assigned RA number marked on the carton 2 Unit was sent...

Page 14: ...2V 15 mA Auto Turn On Audio 1 2 mV 12 V adjustable 15 minute turn off delay AC Power Requirement 110 120 V 220 240 V 50 60 Hz 3 watts standby 1000 watts full output Dimensions 171 4 Wide 16 Deep with...

Page 15: ...Notes CONNECTION AND SETUP NOTES 13...

Page 16: ...why Parasound has been a quality and value favorite of magazine reviewers sound professionals and listeners like you since we were founded in 1981 rev 0 91 2005 Parasound Products Inc Parasound Produ...

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