Question about Dahlquist QX-4A Main / Stereo Speaker

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Blown fuse on sub woofer

Dalquist PDQ-1200. can't read the size of the blown fuse. what size fuse would you suggest? Don't want to blow up the sub.

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

Posted on Jul 24, 2009

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6ya6ya
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Posted on Jan 02, 2017

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Kenwood KR-V999D no sound


Hi there, it sound like a faulty elco. I think in english you call it electronic capacitor. open up the receiver and scan for blown elco's. the have rounded tops most of the time when blown. Check capacity and change accordingly. It should fix it.

Jan 15, 2017 | Kenwood Audio Players & Recorders

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Want to use my current speakers with a new surround sound system. Current system is 5.1 channels, rated at 100w per channel @ 8. Ohms. New System is rated 145watts, 5.2 channels at 6 Ohms. Will b ok?


Hi Ronald.
8 Ohm speakers will work just fine as replacements for the
6 ohm speakers. When fitting speakers you need to consider
The power handling capability. The impedance and the frequencies
involved. Power handling is expressed in wattage ie 100W.
Unfortunately this can be expressed in rms, max or peak music. The rms value (root mean square) is the only really relevant figure as this is the continuose handling power at 1 KHz. The impedance
is the resistance that the amp sees but is not a dc resistance and
varies with frequency. The lower the impedance the more power
will be drawn from the amp. In the event of a short circuit across
the speaker the amp will try to deliver infinite power into an infinitly
small load in an infinitesimal amount of time and will self destruct.
Using an 8 Ohm speaker draws less power than a 6 Ohm speaker.
Connecting speakers in parallel; results in the impedance beingreduced. For example two 8 Ohm speakers in parallel will result
in a 4 Ohm impedance load but in series will be 16 Ohms.
Incidentally the the .1 (5.1) is the sub woofer which only has
to handle the bass frequencies, a small percentage of the
amplifiers overall frequency response..
Connect your speakers and then power up the amp last
after double checking there are no shorts on the speaker
cables.
All the very best from Vintie.





Jan 07, 2017 | Audio Players & Recorders

1 Answer

DAB radio will not work on 18v 3.0Ah battery but works on power lead. any suggestion please


I would open it up and look for a broken wire in the battery circuit, you could have a fuse in that circuit also.

Aug 30, 2014 | Audio Players & Recorders

1 Answer

My aftermarket radio won't play any music out but when I put my stock radio back in everything works fine the aftermarket radio worked for a few weeks but then it stopped playing music out recently Any...


think the amp may have blown this is the problem with some after market radio's with the same wiring code as yours. best just ot get the radio you want and buy the adapter kit for it.

Mar 23, 2014 | Audio Players & Recorders

1 Answer

Every time I'm listing to music my bass speaker makes a poping sound


You have most. Likely blown the speaker, replacement I think

Oct 20, 2013 | Audio Players & Recorders

1 Answer

I'm trying to locate a conversion plug, the subwoofer is a JVC powered sub . The connecter number is xv - thm 505. Next numbers are xv- thm 606 I need a female RCA to the sub 8 pin mini din W


not sure where you are based, but have you tried maplins electronics store? They tend to carry a large stock of lpugs and cables, plus they do seem to deal with audio equipment. Good luck.

Mar 20, 2013 | Audio Players & Recorders

2 Answers

Altec Lansing ADA 880 Toroidal Transformer Replacement


Did you solve this? Cause I have the same problem and need some advice...

~Brian
bwalker1978@yahoo.com

Mar 23, 2009 | Altec Lansing ADA 880 Computer Speakers

14 Answers

Sound problem with JBL Creature II


I had a problem with the speakers not working properly. The green lights lit, but the amount of sound coming from the speakers compared to that of the sub was much lower.
I decided to take it the speakers apart.
I found that the magnets on the speakers had moved forward slightly in the plastic cage they sat in. I pushed them back as far as they would go, and Hey Presto! working again!
I hope this helps someone!

Feb 23, 2007 | JBL CREATURE II Computer Speakers

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