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The logins are separate from the main site, so you'll have to register again if you've only registered as a site subscriber.

I'll leave the old Proboards forum up as an archive, but posting is now locked on it.

The information on this site is by enthusiasts and should be followed at your own risk. If you aren't qualified or sufficiently experienced to work inside an amplifier, consult a qualified professional. If that's the case, just print off relevant pages that you find interesting and take them to a local qualified amp tech and consult them.

The site has now been upgraded so people can become members, see the 'meta' below to register. If you're interested in contributing articles, diagrams, photographs etc the site and helping out fellow enthusiasts, please email us after registering, via the contact form.