Replacement Valve Kits for MARSHALL Guitar Amplifiers

Check out our guitar amplifier Replacement Valve Kits for MARSHALL Guitar Amplifiers. These valve kits include all of the amplifier tubes that are required to service your valve guitar amplifier and bring it back to peak performance. As guitar amplifier valves deteriorate with use, the tonal quality will be gradually reduced over time and it may not be immediately noticeable that your valve guitar amplifier is not performing as it was originally designed to.


Replacing all of the valves as a full kit will solve this. You may be tempted to buy single guitar amplifier power valves however this can be a false economy as most, especially higher powered valve amps, need matched valves to work correctly. If the valves used in the circuit are not matched it will cause hum, or noise, and will reduce the life of the other valves in the circuit.

You can buy single pre-amplifier valves or buy full matched sets of power valves if you only want to replace those.

Please ensure you read the installation manual supplied with your guitar amplifier before buying and changing the valves. You can also read our guide to trube amplifier maintenance for some notes on changing and caring for your tubes.

Replacement Valve Kits for MARSHALL Guitar Amplifiers.

Click on the link to be taken to the page where you can buy full guitar amp re-valve sets for your amplifier.

A Selection of Marshall Amplifier Tube Kits

£68.05
in stock
1 new from £68.05
as of 15/08/2019 01:36
Amazon.co.uk
£88.43
in stock
1 new from £88.43
as of 15/08/2019 01:36
Amazon.co.uk
£92.72
in stock
1 new from £92.72
as of 15/08/2019 01:36
Amazon.co.uk
£127.55
in stock
1 new from £127.55
as of 15/08/2019 01:36
Amazon.co.uk
£127.55
in stock
1 new from £127.55
as of 15/08/2019 01:36
Amazon.co.uk
£173.48
in stock
1 new from £173.48
as of 15/08/2019 01:36
Amazon.co.uk

Marshall Guitar Amplifiers

Marshall Amplification is an English company that designs and manufactures music amplifiers & speaker cabinets. It was founded by drummer Jim Marshall. Marshall guitar amplifiers are among the most recognised in the world. They are known for their unique Marshall “crunch” valve amp tone. This signature sound was created after guitarists, such as Pete Townshend, when visiting the Marshall shop complained that existing valve guitar amplifiers did not sound right and were not loud enough. After gaining a lot of publicity, marshall amplifiers and marshall speaker cabinets became popular with guitarists.

Replacement Valve Kits for Guitar Amplifiers Explained

All head valve guitar amplifiers and combo valve guitar amplifiers include a mixture of pre-amplifier valves, power output valves and rectifier valves (or tubes in the USA). The typical life of a guitar amplifier valve is around 1000 hours. As the valves all operate together the performance of all the valves will degrade over time. If you buy a full guitar amplifier valve kit it will be the best to restore the overall sound quality, performance and reliability of your valve amp to its original state.

These full valve replacement kits that are shown including all of the valves that are required. The valves are fully tested and specially chosen for their sound characteristic and then saved into matched valve sets. The sets include all of the of guitar amp pre-amplifier valves and guitar amp power output valves required. Some kits include the rectifier valve however if this part is required you can buy rectifier valves here.

Why Buy Matched Guitar Amplifier Valves?

Replacement Valve Kits for Guitar Amplifiers
Replacement Valve Kits for Guitar Amplifiers

Most valve combo guitar amps and valve head guitar amps, especially the higher power models and those with push-pull circuit designs, require matched output tubes to operate correctly. Buying one valve and adding it to an existing set will make the amplifier unreliable, cause hum and noise, and reduce the life of the other valves in the circuit, costing a lot more money.

Depending on the design and power output of the amplifier the matched sets are seperated into matched pair valve set (x2 tubes) or matched quad valve set (x4 tubes) and some very high power valve guitar amplifiers can include a matched sextet valve set (x6 tubes). The general rule being more valves more power.

In a push-pull valve guitar amplifier design one valve is pushing the speaker cone out and the other valve is pulling it in, back and forwards, causing sound. To maintain a reliable guitar amplifier performance it is important that the valves push and pull in equal measure. If you buy a matched set of amplifier tubes will mean that the supplier has tested the valves and selected them to have similar characteristics and therefore work together correctly.

More Guitar Amplifier Valves Sets (Tubes) by Amp Make

Tips on Valve Guitar Amplifier Maintenance

If you are considering doing any valve guitar amplifier maintenance make sure you first read the manufacturers installation booklet for the guitar amplifier you have before buying or changing any of the valves.

One important tip that I have is to monitor how long you have been using the valves. To do this, once you have changed the valves in your guitar amplifier make a note of the date. This can be done by adding a sticker to the back of the amplifier. Taking a view that you use the amp so many hours a week you will be able to decide when is best to change them again in the future, taking into account that guitar amplifier valves (or tubes) will operate under normal conditions for up to 1000 hours, after this they will start to degrade.

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