Paradigm pdr- 8 v .3 schematics

Look for any screws that are holding it together and remove them.

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PDR-8 Specifications
Design
Single driver, bass reflex system with critically tuned resistive port and built-in amplifier Amplifier High-current, discrete output, 90 watts RMS
Amplifier Features Soft clipping, thermal protection Frequency Response On-Axis 29Hz - 150Hz Low Frequency Driver 210mm (8 in) extended travel with 38mm (1-1/2 in) voice-coil, aluminum former Low Frequency Extension 29 Hz (DIN) Finishes Black Ash, Light Cherry, Dark Cherry Inputs From A/V receiver/processor or Paradigm X-Series Subwoofer Control Unit mono-sub out or preamp left/right output;From receiver/amplifier speaker terminals or main/satellite speaker terminals Weight 25 lbs. (11 kg) Dimensions HxWxD 13.25" × 9.75" × 15"
(34cm × 25cm × 38cm)
Specifications are subject to change without notice.

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That would be one way to isolate the problem to either the woofer or its amp.

But do you know that it's getting an audio signal from your ?? unnamed source? Its setup could be at fault.

Or you could jack a CD player or any other audio source directly into the sub amp and see if THAT works. Start with something low as you won't have control of the volume.

I have the same problem. An external transformer would step down the voltage, but it wouldn't help with the frequency, which would still be 50Hz. Paradigm says there's a risk of burnout if an unmodified PDR-10 is run at 50Hz rather than 60Hz

I have exactly the same situation with my PDR-10. Paradigm techs were of no help, don't me to take it to a service centre which i did. Of course when it was there they plugged it in and it stayed on for a day and a half so no problem right? Get it home, nothing, plugged and replugged, got it on once but not for long. Opened up back, everything including fuse looks solid and fine....to naked eye anyhow.

Yes it can be.You can check it with ohmmeter the impedance should be 4 or 8 ohms.But if you can disassembly the sub its better then you can see and check everything.My guess is that one of the cables on the speakers connector is broken and its just touching the conntact.

Click on Paradigm (below FIXYA) on this website, type in your model number & search. You will get a shortlist; click on your model,below the page u will get Manual/Guides. Click on the blue, you have your manual on line. If available, that is.

And dont forget to rate me on this great site.

buy a new one

The indicator light needs to be replaced, there is a loose or poorly soldered connection on one of the led's leads, or the circuit providing the signal (voltage) for the light isn't functioning.