Question about Marshall 15 Watt Guitar Amp

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Why dose my guitar amp make a high pitch sound when i turn it on

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If you have an instrument plugged into the amp, then you need to turn down the volume of the amp before turning on the amp. Otherwise you risk permanent damage to your speaker. Also, the instrument cord may be defective. The hot and ground wires may be shorted together. You need an ohm meter to test your cord. With the cord unplugged and detached, put the positive (red) lead of the ohm meter on the tip of the plug and the negative (black) lead on the sleeve of the plug. You should not have any reading at all. If you get a reading then you have a bad cord with a short.

Posted on Aug 01, 2010

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Posted on Jan 02, 2017

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Does anything happen while you turn the knobs on the amp?

I had a similar problem with a yamaha amp. It turned out a couple of knobs went bad. Soldered new pots and it works fine for me now.

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How to Change Strings on a Dean Vendetta Guitar

Dean Vendetta is a company that makes a wide range of electric guitars. These guitars are used by famous musicians and bands such as Alice in Chains and Megadeath. If you own a Dean Vendetta guitar, you will need to change the strings periodically in order to keep your guitar sounding bright and crisp. Without changing the strings, your instrument will sound dull due to dirt and oil build-up on the strings.

Instructions

Things You'll Need:

* Dean Vendetta guitar
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* Guitar strings
* Electronic tuner
* Wire cutters


Locate the high E string. This is the string that is highest and thinnest and closest to the ground when you play the guitar.

Loosen the high E string by turning its tuning key counterclockwise. Use a string winder for this if you have one. Pull the string off of the tuning peg and out through the bridge.

Insert a new high E string through the hole in the bridge, up the neck, to the head of the guitar.

Thread the string through the hole in the tuning key so that about two inches extends beyond the hole.

Hold the string at the top end of the neck in one hand as you turn the tuning key clockwise with the other hand. A string winder makes this task much easier.

Continue to wind the string until it tightens to pitch. Use an electronic tuner to check the pitch.

Clip off the excess string with wire cutters.

Repeat these steps to install the B, G, D, A, and low E strings.


Tips & Warnings

*
Expect to re-tune often for the first few hours after installing the new strings, as they tend to stretch quite a bit at first.

Hope it helped.

Thanks for using fixya..

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