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Continuous RMS Power Output

20 Hz – 20 kHz, Both Channels Driven

 250 watts x 2, 8 

Ω

 385 watts x 2, 4 

Ω

 250 watts x 2, 2 

Ω

Continuous RMS Power Output

20 Hz – 20 kHz, Bridged Mono

600 watts, 8 

Ω

  

600 watts, 4 

Ω

  

Current Capacity

45 amps peak per channel

Frequency Response

20 Hz - 50 kHz, +0/-3 dB, 1 watt

Dynamic Headroom

1.6 dB

Total Harmonic Distortion

0.02% at full rated output
0.015% at average listening levels

IM Distortion

0.05 %

Transient IM Distortion

Not measurable

S/N Ratio

114 dB at rated output, IHF A-weighted
106 dB at rated output, unweighted
93 dB at 2.828 V output, IHF A-weighted
84 dB at 2.828 V output, unweighted

Input Impedance

33 k 

Ω

Input Sensitivity

1 V for 28.28 V out, THX standard

Inter-Channel Crosstalk

85 dB,  1 kHz
73 dB, 10 kHz
67 dB, 20 kHz

Damping Factor

Over 150 at 20 Hz

Auto Turn On – DC

9 – 12V, 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

17

1

4

 Wide

16

 Deep, with connectors

2

1

2

 High with feet, 1

3

4

 panel only

437 x 406 x 63mm, 44.1 mm panel only

Net and Shipping Weight

xxxxxxxxx

Rack Mount Accessory

May be Purchased Separately

RMK44

PARASOUND MODEL 2250 SPECIFICATIONS

12

Before any home theatre component can be THX Ultra2 certified, it must pass a rigorous series 
of quality and performance tests. Only then can a product feature the THX Ultra2 logo, which is 
your guarantee that the Home Theatre products you purchase will give you superb performance 
for many years to come.  THX Ultra2 requirements cover every aspect of the product including 
performance and operation.

THX and Ultra2 are trademarks of THX Ltd. which may be registered in some jurisdictions. All rights reserved.

Note:

 Specifications are subject to change or improvement without notice.

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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