How to Bias a Marshall JMP

Learn the correct way to Bias a Marshall JMP amplifier.

If you’re interested in learning how to correctly bias your Marshall JMP, you’ve certainly come to the best place!

WARNING: I suspect you’ve noticed already. There’s loads of free information on the web about how to bias a Marshall amplifier. That’s fine. Unfortunately, most of it is plain wrong. In many cases, it’s downright dangerous. Once you take the back of an amplifier you are dealing with lethal voltages – even after the amp has been switched off at the wall. So there’s no room for error or amateur electronics. Most of the stuff you will find on the internet is written by very well-meaning amateurs and amp enthusiasts. They have gained a little knowledge along the way, adjusting their own amps. So just enough knowledge to make them, and you, dangerous!

So we’ve put together the definitive comprehensive bias manual for the Marshall JMP range of amplifiers.

It will take you step-by-step through every stage of the process and how to perfectly bias your Marshall JMP amplifier. The most important thing is that it is written by a senior electronics engineer who has over 40 years of experience in the amplifier industry. He has repaired and modified thousands of amplifiers in his career. So this really is the ultimate guide for your amp – all made extremely clear and simple.

To receive your copy of How To Bias a Marshall JMP amplifier simply click on the ‘add to cart’ link above.

How to bias all Marshall JMP amplifiers: The Definitive Expert Bias Guide.

We ask a very small fee to cover the many hours it took to produce this document and photograph the entire process for you.  The good news is you will receive an email receipt straight away along with your download link. This means you can download the PDF directly to your computer straight away. So no more waiting around for the post to arrive – you just download your copy immediately. This also means we can supply it at a very low price as we don’t have printing, packaging or shipping costs.

So to download your bias manual, simply click on the product name that appears in blue and underlined on your invoice. This is the link for you to download your own personal copy.

So order your Marshall bias manual today and get your amp sounding better than ever. If you have any questions don’t hesitate to get in touch.