Guitar Amp Repairs, Custom Amp Builds, Speakers - JPF Amplification » Repair http://jpfamps.com JPF Amplification, London's leading amp repairers and builders Wed, 09 May 2012 16:54:02 +0000 en hourly 1 http://wordpress.org/?v=3.3.2 Do you think this valve has overheated? http://jpfamps.com/do-you-think-this-valve-has-overheated/ http://jpfamps.com/do-you-think-this-valve-has-overheated/#comments Wed, 03 Feb 2010 16:52:21 +0000 Frank http://jpfamps.com/?p=315

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