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Gallien-kruger 250rl amplifier keeps blowing fuses.

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  • Anonymous Jul 08, 2008

    Keeps blowing fuses.

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My JVC RX-801V has a short? The 5 amp fuze burns out every time I replace it. what could be the problem?


Probably the output transistors have blown or the amplifier capacitors are dried out.

Fuses are there to protect you and the device from further damage. Repeatedly replacing a fuse without fixing the cause of why it keeps blowing in the first place isn't a wise decision.

Sep 10, 2014 | Audio & Video Receivers

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My teac ag-680 fuse keep blowing everytime i replace it and plug the reciever up


are short in the audio output transistors may have been short since a channel 2 or maybe 4, also open resistance check carefully and change them after you put a 75w bulb in series 100w or where is the fuse clearly, you have to remove the fuse when you put the focus if all is well will turn on only a small incandescent and amplifier work well you put audio speakers and there will, if everything is well put the fuse back and ready.

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My Z2300 unit keeps blowing the 2amp (3.15?amp ) fuse when switching on any idea what the cause might be


If you are a technician disconnect the audio amplifiers Ic maybe them are in short circuit

Jun 03, 2011 | Audio & Video Receivers

1 Answer

The internal 1.6 amp fuse in the power supply sometimes blows on or after switch-on.If the fuse does'nt blow the amplifier appears to work as normal on low volume.


check your wiring and the speakers for shorts...also, you need to look at the back of the amp..there should be an impedance rating for the speakers..it will be in ohms...if your speakers are lower than the rating on the amp then the fuse will blow as this causes the amplifier to overload..if the amp is rated for 8 ohms and you connect 4 ohm speakers this can cause this issue

May 28, 2011 | Audio & Video Receivers

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Blown amplifier


I would guess that during the move, the speaker wires crossed and smoked one of the output amp sections. The output transistors are shorted and are causing the fuse to blow. If you can post hte model number, I'll try to get you more specifics on the parts that will need to be replaced.

Dan

Apr 01, 2009 | Arcam Audio & Video Receivers

1 Answer

Amplifier keeping blowing fuse


This almost always indicates a blown speaker. If you have an ohm meter you can use that to test the impedance on your speakers. After disconnecting the speaker - touch the red lead to one connector and the black lead to the other. If it reads something other than 8ohms that speaker is blown.
If you don't have an ohm meter you can simply disconnect one speaker at a time and run that way until the fuse blows. If the fuse never blows then you've found the suspect speaker.
Sometimes blown speaker can hide by stealth. When cold everything is normal. When things start to heat up from use the failed circuit shorts and blows the fuse on your amp.

Oct 21, 2008 | Denon DRA-375RD Receiver

1 Answer

Kenwood kr-a4060 keeps blowing fuses


Check the audio amplifier Ic maybe its fried.

Aug 25, 2008 | Audio & Video Receivers

1 Answer

Peavey 1200 Amplifier


Some of the outputs transistors is bad hence causing a bridge in circuit,thats why the fuse is blowing.Check all the outputs transistors on both channels,rectifiers and zena diodes these are the possible causes of circuit bridge when they are faulty.The fan works on AC thats why it is not affected even when the fuse is blown.Please if you have anymore challenge please send me a mail on mikewee4wee@yahoo.com

Aug 14, 2008 | Audio & Video Receivers

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