Jimelliottbassist Posted April 13, 2014 Share Posted April 13, 2014 Looking at getting my 400+ revalved but wondered who uses what? Quote Link to comment Share on other sites More sharing options...
Sean Posted April 13, 2014 Share Posted April 13, 2014 Hi Jim, Get the cryo ones from Watford :-) I'm running standard Mesa valves but will be switching at some point this year. After talking to an expert, I'm led to believe that as long as it's good quality valves in the power section then it doesn't make too much difference on these. And the pre amp valves make the most difference to sound. There are a few experts here so I expect someone will put us right sooner or later. I'm always looking on TB at Chef's posts about his 400+ but haven't got that much insight as to what to put in as replacements. Randall says MB valves only but then again he would. Quote Link to comment Share on other sites More sharing options...
Bassman Steve Posted April 15, 2014 Share Posted April 15, 2014 I would read the 6L6 reports on Watford Valves. They recommended winged C 6550's for my Bass 400 and they're brilliant. Quote Link to comment Share on other sites More sharing options...
Sean Posted April 15, 2014 Share Posted April 15, 2014 [quote name='Bassman Steve' timestamp='1397587794' post='2425486'] I would read the 6L6 reports on Watford Valves. They recommended winged C 6550's for my Bass 400 and they're brilliant. [/quote] Unfortunately you can't fit the 6550 valves in a 400+ as the 6L6s are crammed in and there's not enough room. Quote Link to comment Share on other sites More sharing options...
Jimelliottbassist Posted April 15, 2014 Author Share Posted April 15, 2014 Will contact Watford valves cheers lads!! Has anyone used cyro valves? Quote Link to comment Share on other sites More sharing options...
Bassman Steve Posted April 16, 2014 Share Posted April 16, 2014 (edited) [quote name='Sean' timestamp='1397591618' post='2425531'] Unfortunately you can't fit the 6550 valves in a 400+ as the 6L6s are crammed in and there's not enough room. [/quote] Slight misunderstanding there. I meant WV recommended the winged C (6550) valve in the Bass 400and they were great. The 400+ does use completely different valves and they're not interchangeable. I was illustrating the accuracy of the reports. I have the original Mesa valves in my 400+ (I think). WV appear to recommend a Philips valve for my sound (according to the reports). Never used cryo valves myself. Can't say I'm really convinced by the whole argument myself but I stand to be corrected. Slight whiff of snake oil in my opinion but there's no evidence to support that view. Edited April 16, 2014 by Bassman Steve Quote Link to comment Share on other sites More sharing options...
Sean Posted April 16, 2014 Share Posted April 16, 2014 [quote name='Bassman Steve' timestamp='1397657105' post='2426144'] Never used cryo valves myself. Can't say I'm really convinced by the whole argument myself but I stand to be corrected. Slight whiff of snake oil in my opinion but there's no evidence to support that view. [/quote] Exactly my thoughts until I asked one of the research boffs in work who knows all about metallurgy; he rolled his eyes in disgust and started to draw some digrams explaining crystalline structure in metals and I felt a bit embarrassed at not knowing as I had a large chunk of Metallurgy as part of my degree. It's not snake oil, it's all good and the claims are proven. The only questions are, will you be able to tell the difference and if so, is it worth the extra dollar? For me, I'd go non-cryo and spend the extra cash on more exotic pre-amp valves. And saying that I might just go cryo... Quote Link to comment Share on other sites More sharing options...
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