What do valves on an amp do?

Amp valves amplify the signal of the guitar.

How do I know if my amp valve is broken?

Low pitched ground noise, high microphonic squeals or no output at all can all be caused by broken amp valves. It’s possible to test valves with a special machine to check if they have broken. But it may well be easier to just get a replacement and see if the problem goes away.

How often should guitar amp valves be replaced?

This depends on\ how loud and how frequently you play. A very loose guideline would be to replace valves after 1,000 hours of playing.

How often should you replace valves in an amp?

Advice varies wildly from every year to every 5-10 years. The amount you play your amp will be a factor and generally a loose guideline will be every 1000 hours.

Do amp valves need replacing?

If your amps sound has changed drastically it is good to get it checked, common signs of valve issues include: Excessive hissing/humming, loss of treble, less bass clarity, changes in volume, blown fuses, or even the amp not working.

Does more valves mean more power?

It does not inherently mean more power but typically a 15 Watt Valve amp will be louder than a 15 watt solid state amp.

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