Moderators Kindness Posted April 6, 2007 Moderators Share Posted April 6, 2007 That looks right to me. You shouldn't need a full retube anytime in the near future unless something else is wrong with your amp. Link to comment Share on other sites More sharing options...
Members Rippin' Robin Posted April 6, 2007 Members Share Posted April 6, 2007 True. It is even more "expensive" if you don't actually need 8 new tubes.Ah, great minds think alike Baracuda, Any good tech will tell you whether you need a full retube or just a partial retube. If it's only one pair of tubes (since power tubes work in push-pull pairs) that are bad, just replace those.Pre-amp tubes last a loooooooong time. Probably no use to change them, unless they're noisey or microphonic. Tap the tube gently with a pencil with the amp switched on to determine whether they're microphonic.Mind you though, some tubes are pretty microphonic by default. I changed the 12AX7WAs in my SVP-PRO to 12AX7LPSs and they're much more microphonic. It's a trade-off. They sound so much better. Link to comment Share on other sites More sharing options...
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