Question about Kustom Coupe Series 36 Watt Guitar Amplifier Red

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Hi got a Kustom 36 Coupe single 12 and it seems when ever i turn the amp on, a fuse will blow out. I change the blown fuse, turn the amp back on and it blows out straight away again. Im wondering if something is gone wrong with the wiring board..... not to sure bout these things. If you could help it would be appreciated Thanks

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Posted on Jan 02, 2017

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SOURCE: The fuse in my Kustom Sienna guitar amplifier blows instantly on switch on. Any suggestions?

yes, take it back to the store and ask them why it is blowing fuses at power-on.

Posted on Mar 24, 2018

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SOURCE: The fuse in my Kustom Sienna guitar amplifier blows instantly on switch on. Any suggestions?

Hey, guys, do you know that sometimes we have to pay for our mistakes? In my case, it was the decision to show this site to my friend, Josh, who's recently started to be interested in music. Now he's constantly hinting me that I should buy him an electric guitar as a present for his birthday. Damn, that toy is too expensive for a college student. How should I politely refuse him? So, you can try to find out about your issue there too

Posted on May 05, 2018

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2 Answers

The fuse in my Kustom Sienna guitar amplifier blows instantly on switch on. Any suggestions?

yes, take it back to the store and ask them why it is blowing fuses at power-on.

Mar 24, 2018 | Kustom Music

1 Answer

I was just given a Kustom Sienna 65 Amp and it powers up but no sound coming out of speaker. I plugged a line from the ext speaker 1/4" out into a practice amp and got sound through the practice amp.

You may have a blown voice coil in the speaker. Can you see the back of the speaker? Then, First Check the connections to the speaker and make sure they are well connected. If they are, then the speaker is probably at fault. If you are handy, then you can get a replacement speaker, 12 inch?, and swap it out.

Jan 08, 2018 | Kustom Music

1 Answer

I have a Kustom KPM8420 PA mixer and the monitor channel comes through both the monitor and main speakers and vice versa. The two channels are not separate.How do I fix that?

On the back panel there is a section labelled Patch Bay
There are 2 small switches which assign each Power Amp to either Monitor or Main Output.
It would seem you have them both set the same at present. Set one to Monitor and one to Main, and use the corresponding Power Amp outputs direct to speakers.

Note you can send signal to external amps or powered speakers from the preamp outputs. This is really handy.
Download and print the manual from
and keep it with the mixer.

( Of course don't send speaker outputs to other amps or powered speakers )

Sep 11, 2017 | Kustom Music

1 Answer

Hello. Where is the fuse located to be replaced in my Kustom KPM4060 Amp. Thanks Shawn.

I have the same problem with my KPM 4080 amp. I have no clue where the fuse goes. I'm sure mine also needs a fuse replaced.

Mar 11, 2015 | Kustom Music

1 Answer

Is there a fuse in this amp? is it replaceable without soldering?

Hi, blowing a fuse in an amplifier is a problem that most guitarists face at one time or another. If an amp won't turn on, or it turns on for a second, then makes a popping sound and turns off, the problem is usually a blown fuse. Though a blown fuse can be a hassle, especially during a performance, it does not have to put a stop to your musical enjoyment. With a spare fuse you can be back jamming to your favorite tunes in no time flat.

Things You'll Need



Turn off the amplifier and unplug it from the wall.

Locate the fuse, which is usually found at the back of the amp. The fuse will look like a small black wheel sticking out of the amp with a number and the letter V next to it. For example, 9V.

Gently turn the fuse counter-clockwise to remove it from the amp.

Discard the old fuse.

Insert the new fuse into the empty fuse slot and turn it clockwise until it is firmly in place.

Plug in the amplifier; make sure the power switch is in the off position.

Turn the amplifier on to make sure the new fuse is working properly.

Hope it helped..

Jun 14, 2011 | Crate FlexWave FW15 Guitar Amp Combo, 15...

1 Answer

I have a KPM 4080 mixer that has a blown 1A fuse. What would be the most common cause.

The most common cause of a fuse blowing is excess current... now what has/could cause that is impossible for us to diagnose remotely. Failure in the power amp would be prime suspect with power supply components a close second. Double check that fuse rating... if on 120 volts it sounds low... it would be right for 220 operation.

Jun 04, 2011 | Kustom KPM4080 PA Amplifier/Mixer

1 Answer

Amp will not switch on

The internal fuse probably has blown due to an electronic problem. Take it in for repair.

Apr 28, 2011 | Kustom Dart 10 Watt Amplifier

1 Answer

Kustom Profile One Blowing Fuses

likely a failure in the power supply or in the final power amp stage. Keep putting fuses in to "cook" out more parts to increase the repair expense... DON'T !!! Take for repair as a fuse isn't going to fix the problem.

Feb 08, 2011 | Music

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