doc40hz Posted July 20, 2019 Share Posted July 20, 2019 Hi all, I purchased a Warwick Corvette 5 string from another member on here. it had been modded with a John East 3 band premp (3 stacked knob affair). There is something wrong with the treble circuit - the boost/cut treble is intermittent. The pull bright switch works fine and the bass works fine. Just the treble knob. I've inspected all the connections and made sure they are correct - they appear to be. John East have not got back to me about buying a replacement bass/treble module - not great customer service! I have cash I'm willing to give them and......nothing. Any one got any ideas what might be wrong? Otherwise I'm going to have to put another pre amp in. Quote Link to comment Share on other sites More sharing options...
BassBunny Posted July 20, 2019 Share Posted July 20, 2019 Have you tried ringing John? I've found him to be quite tardy answering emails, but get him into conversation on the phone and I'm sure he'll sort you out. 1 Quote Link to comment Share on other sites More sharing options...
pete.young Posted July 20, 2019 Share Posted July 20, 2019 Could try giving the pot a squirt of Servisol? Quote Link to comment Share on other sites More sharing options...
mcnach Posted July 21, 2019 Share Posted July 21, 2019 19 hours ago, BassBunny said: Have you tried ringing John? I've found him to be quite tardy answering emails, but get him into conversation on the phone and I'm sure he'll sort you out. This. It's essentially a one man operation, so if in a hurry the phone is your best friend. 1 Quote Link to comment Share on other sites More sharing options...
doc40hz Posted July 21, 2019 Author Share Posted July 21, 2019 8 minutes ago, mcnach said: This. It's essentially a one man operation, so if in a hurry the phone is your best friend. May well do, thanks chaps! Didn't realise it was such a small company! 1 Quote Link to comment Share on other sites More sharing options...
mcnach Posted July 21, 2019 Share Posted July 21, 2019 30 minutes ago, doc40hz said: May well do, thanks chaps! Didn't realise it was such a small company! It's small indeed. And John is super helpful once you get his attention. Very nice guy. I'm sure he'll help you get your bass up and running. 2 Quote Link to comment Share on other sites More sharing options...
fleabag Posted July 22, 2019 Share Posted July 22, 2019 As a mate of John for over 25 years, and having sat in his workshop drinking tea and eating toast, i can tell you he is surrounded by projects, bread an butter jobs, and enough electronics to build a modern submarine. He is a one man band as stated, very busy, and doesnt look at his emails every 5 mins. The advice given on phoning is your best bet. He is one of the most helpful tech guys around 3 Quote Link to comment Share on other sites More sharing options...
Cuzzie Posted July 24, 2019 Share Posted July 24, 2019 On 22/07/2019 at 23:41, fleabag said: As a mate of John for over 25 years, and having sat in his workshop drinking tea and eating toast, i can tell you he is surrounded by projects, bread an butter jobs, and enough electronics to build a modern submarine. He is a one man band as stated, very busy, and doesnt look at his emails every 5 mins. The advice given on phoning is your best bet. He is one of the most helpful tech guys around There is your answer - maybe the odd toast crumb or marmalade from our man dropped into the circuit and needs cleaning. Quote Link to comment Share on other sites More sharing options...
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