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Continuous RMS Power Output

20 Hz – 20 kHz, Both Channels Driven

  75 watts x 2, 8 

Ω

 120 watts x 2, 4 

Ω

 120 watts x 2, 2 

Ω

Continuous RMS Power Output

20 Hz – 20 kHz, Bridged Mono

200 watts, 8 

Ω

  

200 watts, 4 

Ω

  

Current Capacity

20 amps peak per channel

Frequency Response

20 Hz - 50 kHz, +0/-3 dB, 1 watt

Dynamic Headroom

1.3 dB

Total Harmonic Distortion

0.035% at full rated output
0.025% at average listening levels

IM Distortion

0.05 %

Transient IM Distortion

Not measurable

S/N Ratio

110 dB at rated output, IHF A-weighted
103 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

800 mV for full rated output

Inter-Channel Crosstalk

80 dB,  1 kHz
72 dB, 10 kHz
65 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; 350 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 Weight

21 lbs , 9.6 kg

Rack Mount Accessory

May be Purchased Separately

RMK11

PARASOUND MODEL 275 SPECIFICATIONS

12

Note:

 Specifications and features subject to change or improvement without notice.

Summary of Contents for 275

Page 1: ...Model 275 Two Channel Power Amplifier OWNER S GUIDE Model 275 Two Channel Amplifier A B Power M o d e l 2 7 5 T w o C h a n n e l A m p l i f i e r Protect Hi Temp L R...

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 Auto Turn On 6 Sensitivity Adjust Knob 8 Ground Switch 8 Front...

Page 4: ...thoroughly before you begin installation Unpacking Carefully unpack your Model 275 and these accessories Detachable AC power cord Trigger wire with a 2 5 mm sub mini plug at both ends Trigger wire ad...

Page 5: ...till 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 to avoid crowding or stack...

Page 6: ...certified amplifier might play a bit louder because of its higher power output We recommend setting the 275 s R and L level controls to 3 o clock if you are driving it from a THX surround controller...

Page 7: ...peakers is another way the 275 will run cooler Note Autoformer type passive volume controls are highly reactive loads that are known to cause amplifier malfunction The 20 Hz or 40 Hz filter settings e...

Page 8: ...the mono power output is much higher than the 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...

Page 9: ...s set to its 12V position the Model 275 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 275 will turn off immediately...

Page 10: ...gging in the 275 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 rema...

Page 11: ...right away You can also turn it off by unplugging its AC power cord Auto Turn On switch in the Audio position turn off the preamplifier surround controller or system controller that drives your 275 Y...

Page 12: ...ires are secure at both ends Make sure the control preamp receiver is switched to the correct input If using Auto turn on increase the sensitivity of the audio trigger Is the Hi Temp or Protect or bot...

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: ...at 2 828 V output IHF A weighted 84 dB at 2 828 V output unweighted Input Impedance 33 k Input Sensitivity 800 mV for full rated output Inter Channel Crosstalk 80 dB 1 kHz 72 dB 10 kHz 65 dB 20 kHz D...

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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