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Marshall JCM2000 Bias Mod Kit DSL Series Made in UK Fast International Shipping

4.20 out of 5 based on 5 customer ratings

In stock now ! Place your order and we will ship to you as soon as we have them in stocked.We assemble these boards in the UK.

We now have fast international shipping options available – just enter your country and post/zip code

Marshall JCM2000 amps when ageing tend to have the main printed circuit board start to become slightly conductive and bias to the EL34 output valves becomes unstable of goes very high and cannot be adjusted.

This kit totally fixes this issue,

You might want to replace your EL34’s at the same time as they will be somewhat worn if they have been overheating.

 

$58.97

Product Description

Marshall JCM2000 amps when ageing tend to have the main printed circuit board start to become slightly conductive and bias to the EL34 output valves becomes unstable or goes very high and cannot be adjusted. This results in high valve anode current which cooks or wrecks the output valves.

We can now send much faster to International customers. Just enter your post/zip code and country at checkout

This kit totally fixes this issue without the need for replacing the whole main circuit board. If you know how to use a soldering iron and know how to work on a circuit board then this is an easy upgrade.

The kit consists of a little printed circuit board with full instructions and picture on how to fit the board and saves on replacing the whole main board. Some expertise in soldering is needed to install this board. If you are not sure get an amp tech to fit the board. There are high voltages in these amps which can be lethal so please be extremely careful

This version is designed for the DSL series. There is also a version for TSL amps..  The kits are assembled, stocked,  and shipped  from the UK.

We have used this kit in a Marshall amp ourselves and it completely solved the cooking output valves problem.

The product is supplied with the board, adhesive stand offs to mount the board, and full step by step picture and written instructions. We updated the instructions on 13th June 2018. This is not a Marshall product but is a solution that is fully proven through many folks following our instructions and successfully solving and overheating amp.

Full instructions are included with your board

There is special drill bit needed to drill the printed circuit board and this is included with the kit.  Price includes post and is sent 2nd class in the UK.  There are shipping options for faster UK , European and worldwide shipments at checkout

 

 

Fitted Board in a DSL 50 Amp

Fitted Board in a DSL 50 Amp

Customer Reviews


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"Excellent product as well as customer service…. Thank you!" - A.K 13th May 2020 bought a Tung Sol EL84 Matched Quad

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"Peavey Classic 30 back to sounding great – and quiet when it should be. Prompt service and reasonable prices. Thank you.." P.M,24th May 2020 bought a full valve kit

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