Question about Dahlquist QX-4A Main / Stereo Speaker

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Blew fuse on Dalquist PDQ-1200 sub woofer can't read what amp fuse it is don't want to blow up the sub by putting in too big of a fuse. what size fuse do you suggest?

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My sub shows this a a 240v / 1amp slo blo fuse

Posted on Apr 30, 2009

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250v 1A fuse

Posted on Feb 23, 2009

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1 Answer

Ps12 sub woofer. How do I replace the fuse?


There is a photo of the amp board here:
http://badcaps.net/forum/album.php?albumid=40&pictureid=102
You need to remove the plate amp from the speaker (be sure it's unplugged!) and you'll see the fuse. Replace with exactly the same thing--don't go up in amperage. BUT... if it blew a fuse something is wrong. Those amps do have a tendency to over-heat but if the new fuse blows you should have the amp serviced. Or junk it.

Aug 20, 2015 | Infinity Audio Players & Recorders

1 Answer

Why does the fuse blow Instantly?


Link for the service manual: http://elektrotanya.com/pioneer_vsx-305_405.pdf/download.html On page 50 of the manual (36 of the pdf) it says for the "Sub woofer pre-out jack (Not available on the VSX-305 model) If you want to boost the low frequencies, connect to a subwoofer power amplifier" Your model will not drive a sub-woofer with out another amp. His sub may be a powered sub?

Aug 31, 2014 | Pioneer VSX-305 Receiver

1 Answer

Just bought 2 12 in d3 dual 2 ohm subs with d5 600.4 amp. Need to know how to wire subs. They were in a box already I assumed they were wire at 2 o When i hooked One up to my amp it hit really for Jus...


what wattage are the subs and amp? if your subs are more wattage than your amp, your amp will blow fuses as cant handle the output to your subs. for example. you have 2 500 watt subs and a 300 watt amp, that is no good as amp isnt powerful enough. if you have 2 500 watt subs you need at least a 1200 watt amp to power them both. 200 watt more than the combined wattage of subs as amps should never be turned up to max as they tend to blow and overheat more quickly. 80% volume on amps is reccomended by installers and manufactures.

Feb 27, 2011 | Diamond Audio D5-600.4 Car Audio Amplifier

1 Answer

I parelled one 15" q power subwoofer to my brideged pioneer amp.The amp got really hot and blew a fuse.How should I wire my dvc subwoofer to the briged amp.


Hello sir, hi, YOU DON'T bridge no more speakers, this upsets the impedance load of the amp. to install another sub-woofer, get another amplifier. You may have damaged your power amplifier, If you experience repeated fuse blows, your power amplifier is now SHORTED. This needs IC amplifier replacement.

Aug 19, 2010 | Pioneer GM-5300T Car Audio Amplifier

2 Answers

Unit blew the internal fuse. SONY SA-WMS367 SUB-WOOFER


Bad output IC or voltage rectifier are the most likely at fault.

Nov 28, 2009 | Sony SA-WX700 Subwoofer

1 Answer

What size amp should i get for performance teknique sub-woofers


the amp you have will do the job depending on how may ohm you sub is and can you amp stable to handle low ohm's. you should also check your cabling to make sure its for about a 1500w amp so you dont lose any power

Sep 17, 2009 | Nitro BMW-482 Car Audio Amplifier

1 Answer

Blown fuse on sub woofer


1 amp 250-volt from radio shack #270-1021

Dec 28, 2008 | Dahlquist QX-4A Main / Stereo Speaker

1 Answer

Amp light is on but no power to my subs!


Hi There.

When you say the 40 Amp fuse blew. Was it your mains battery fuse or was it the fuse on the amplifier? If it was the fuse on the amplifier then you may have hurt the amplifier. The Kenwood KAC-8101D is a 1000 Watt monoblock amplifier. Therefore if you say that 1 of your woofers is not playing, then it is almost certainly blown if you are sure it is connected correctly. Try disconnecting it and only running the woofer that tries to play. If this woofer is still working correctly, you will notice a drastic drop if the sound of your bass. The reason for this is because you have changed the impedance load on your amplifier due to the fact that the other woofer is not working. Have your working woofer checked and replace the faulty woofer then you should be banging again.

Hope this helps!!

Jan 30, 2008 | Kenwood KAC-8101D Car Audio Amplifier

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Sub woofer keeps blowing fuses


NO dont try a 3 amp fuse.It is made to BLOW if there is a problem. That sub is not worth fixing, JUNK it. There are a lot of problems with it. Such as heating up and melting the board witch could cause fires. Thats what happened to mine. Like I said JUNK it and buy a different one.

Nov 19, 2007 | KLH ASW10-120 Subwoofer

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