Question about Infinity PS-10 Subwoofer

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Infinity PS-12 Subwoofer clicking in and out of standby

I have an Infinity PS12 Subwoofer that is clicking in and out of standby after it warms up. I am running it in the inputs that take the line-level inputs and have the LFE turned about half-way up. Any ideas of what I could check?

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  • Zoobay Mar 18, 2008

    I have a similar problem. The sound coming from my PS-12 is very quiet during movies or TV. It actually seems to work right away and fade quickly. I too have mine hooked up into the LFE port. When I run a "test tone" from my receiver each speaker outputs white noise, along with the sub. (although it is much lower and quieter, but I assume that is typical)



    My PS-12 also "chirps" at me occasionally. It seems to happen when it recognizes audio input. Normal? I may have to call Infinity.

  • Anonymous Apr 28, 2008

    I have the problem exactly as stated, after it warms up it clicks on and off, forgot where I bought on line, looking for someone to repair.

  • Mingus Jun 10, 2008

    I have the same problem, the speaker is clicking on and off and nothing appears to rectify (unplug, cycle power switch, clean terminals, let it cool down). I bought the sub from ultimate electronics without extended warranty and don't know who to take it to for diagnosis. Sad thing is the unit is only about a year and a half old.

  • Anonymous Jun 25, 2008

    same problem

  • Darl305 Dec 18, 2008

    I Have the same problem with my Infinity Powered PS-10 subwoofer, can anyone help me?

  • Anonymous Feb 11, 2009

    My subwoofer clicks in and out of standby too. Not sure what or where to go?

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Hello,
Unfortunately your subwoofers amplifier circuitry will need to be repaired ,the amplifier is bad and kicking in to protect mode. This mode is designed for safety of the unit and user and sub should not be operated until repaired as it may incur more damage to the components. I hope this helps.

Posted on Oct 17, 2008

  • Steve Jul 12, 2012

    This is a common problem with the power supply and the unit IS NOT going into protect mode.

  • Steve Jul 12, 2012

    No, the unit is not entering "protect mode". There is a known problem with the power supply overheating and capacitor(s) burning.

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I've got the same problem with my PS-10 from Infinity. It works great for about 30-45 minutes, then click in and out of standby mode. It sounds to me like a overheating safety fault. When I take off the amp panel (unplugged), it feels quite warm, and you can see that there is really no way for heat the escape. I tried running it briefly with the amp panel outside and it seemed to work fine! Since I'm out of warranty, I think I'll try cutting some ventilation holes. I noted there are 2 oval shaped holes near the bottom (just above amp), but covered with the panel sticker. I'll try cutting those open first.

Posted on Dec 19, 2009

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Same problem-I had my PS-12 repaired about 1 year ago under warranty. Problem was identified as- repaired power supply by replacing two capacitors. There was sign of circuit overheating. Problem has reoccured. Looking for larger voltage capacitors to R/R. My assumption, great speaker but bad design by Infinity. I need schamatic to have better idea for repairs, could be something else burning the caps. Any ideas!

Posted on Feb 16, 2010

  • Steve Jul 12, 2012

    I have cut-out the label over the two holes and glued some thin foam rubber over them to keep the dust out. I also drilled some 1/4 inch holes along the edge and top of the plastic cover. This helped cool the power supply and after I replaced a burned capacitor, it worked for a while longer but I think there may be a weak transistor the drops out when hot.

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1 Answer

I need missing(older) infinity subwoofer fuse cap.


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I used Digikey's catalog in search of a Logitech speaker fuse holder cap. Had to buy the whole thing, not just the cap.

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Run a cable from that to the line level input on the subwoofer. If I understood you correctly, here's a link to the owner's manual: http://velodyne.com/vx-11.html

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Has anyone tried drilling the holes in the AMP Housing in their Infinity PS-12 to correct the Overheating/In&Out of standby mode?


I will suggest you dont drill the box. Insteady, you should open the box, and find heat sink matarials that you can attach to the power semiconductors to improve the heat draw from the factory heat sink.
see the link below for some heat sink on ebay

http://www.ebay.com/itm/Large-Aluminum-Heatsink-DIY-HIFi-Amp-IGBT-SCR-MOSFET-/250646348304?pt=LH_DefaultDomain_0&hash=item3a5bafc210

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Apart from the "line input"


input and output are for low level ( as with RCA cable connectors) ,, the speaker connections are for high input, (red and black connections. ) you can run the mains to the (rca) from your receiver to run the sub woofers, and from that use the speaker wire connections, to go to the left right speakers, (out only not in) this is done if you want to run the subs and the Rt/lt/ speakers , eliminating the speaker connections coming from the receiver. which you could use for 2 additional speakers if you want

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When I Connect the LFE Output of the Amp to the LFE Terminal of SW, the SW does not work, however, if the speaker output of Amp is connected to SW, it works ok.


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Infinity-PS-12-Subwoofers-manual/id/21470dj882/t/2/

I'm assuming your amp for testing was NOT a subwoofer output. I could be wrong.

Your source is responsible for creating LFE output. Are you sure it's doing that?

Tune an FM station and connect any other active RCA output from the source (like a Tape Out) to the sub

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My infinity ps 12 sub blows the inturnal fuse when pluged in ?


make sure you have the right size fuse T3 15 amp L/250V

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How do u hook up the infinity entra sub it has speaker level(input and output) that look like these red and black spots r for spearker wires and then line level input so I connect my music to the rca plugs...


Maybe if you described the setup with exact model numbers for everything involved we might be able to answer with specifics.

You could poke around her for the Entra Manual for YOUR model.

http://manuals.harman.com/INF/Hom/Owner's%20Manual/

What they do NOT explicitly tell you is that the amp in the sub is not for your other speakers running off it's Speaker Level outputs. They're just there as a pass-through if you use Speaker Level from your own amp.

Line Level (RCA) IN to the sub will NOT pass anything out those Speaker level outputs.

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Infinity will sell you the service manual for $20 (I think)

1-800-553-3332 ask for parts or
parts@harman.com

We also sell the complete amp ***'y part# 351648-001 but they are not cheap.

parts@harman.com

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