Members fusionid Posted January 3, 2007 Members Share Posted January 3, 2007 in your amp??? I play everyday for 1 to 2 hrs average. Ive had the amp for 2 yrs. Link to comment Share on other sites More sharing options...
Members Ray20 Posted January 3, 2007 Members Share Posted January 3, 2007 a signal tube will last 11years at full power so yeah never Link to comment Share on other sites More sharing options...
Members butterknucket Posted January 3, 2007 Members Share Posted January 3, 2007 I have one amp with with 48 year old preamp tubes going strong, and one with 39 year old preamp tubes going strong.... Knock on wood of course. People freak out about changing their tubes way too much. As far as power tubes go, just change them when you start hearing volume fluctuations, and that's it. If the amp isn't giving you problems, why spend money and change tubes that DON'T need to be changed? Just play and have fun. Link to comment Share on other sites More sharing options...
Members GuyaGuy Posted January 3, 2007 Members Share Posted January 3, 2007 Originally posted by butterknucket People freak out about changing their tubes way too much. +1!!! tubes will last friggin YEARS!obviously you want them to sound good, not just technically work. so their musical life will be a tad shorter than their shelf life but still...relax, guys. i've played 60's Fenders with the origial tubes and they sounded awesome. my last main amp was an '80 Acoustic Control Corp with mostly original tubes and it kicked butt. Link to comment Share on other sites More sharing options...
Members anti-flag193 Posted January 3, 2007 Members Share Posted January 3, 2007 Until they {censored} out Link to comment Share on other sites More sharing options...
Members erksin Posted January 3, 2007 Members Share Posted January 3, 2007 Swapping them for different tones is fun, but I've rarely needed to change a pre because it went bad - I can only think of two instances spread out over 9 amps in the past 20 years... Link to comment Share on other sites More sharing options...
Members butterknucket Posted January 3, 2007 Members Share Posted January 3, 2007 Originally posted by anti-flag193 Until they {censored} out That can actually be dangerous and cause damage to the amp, but only change them when you notice they're starting to go bad. Link to comment Share on other sites More sharing options...
Members butterknucket Posted January 3, 2007 Members Share Posted January 3, 2007 Originally posted by GuyaGuy [bi've played 60's Fenders with the origial tubes and they sounded awesome. I own a 50's Fender with the original tubes and they sound great! Link to comment Share on other sites More sharing options...
Members inscho Posted January 3, 2007 Members Share Posted January 3, 2007 I rotate preamp tubes...I have a dozen or so extras laying around....just for the hell of it. Link to comment Share on other sites More sharing options...
Members L6Sguy Posted January 3, 2007 Members Share Posted January 3, 2007 Originally posted by erksin Swapping them for different tones is fun, but I've rarely needed to change a pre because it went bad - I can only think of two instances spread out over 9 amps in the past 20 years... +1, maybe 4 12ax7 in 20yrs. if you're constantly pummeling your amp with a high-ouput device (boosters pinned, etc), i could see it needing it more frequently. swapping preamp tubes is a cool way to get new flavor, or rather variation on the same flavor, to an amp or even just a single channel. Link to comment Share on other sites More sharing options...
Members veil Posted January 3, 2007 Members Share Posted January 3, 2007 Originally posted by butterknucket That can actually be dangerous and cause damage to the amp, but only change them when you notice they're starting to go bad. Really? Elaboration plz Link to comment Share on other sites More sharing options...
Members Burningleaves Posted January 3, 2007 Members Share Posted January 3, 2007 Originally posted by anti-flag193 Until they {censored} out Link to comment Share on other sites More sharing options...
Members yablokonooza Posted January 3, 2007 Members Share Posted January 3, 2007 Semi recently, I thought I may have to swap out my venerable Fender preamp tubes, but my trusted tech claimed there are years, if not decades, left in 'em (as long as I don't do something mega-stupid). cheers! Link to comment Share on other sites More sharing options...
Members erksin Posted January 3, 2007 Members Share Posted January 3, 2007 Originally posted by yablokonooza Semi recently, I thought I may have to swap out my venerable Fender preamp tubes, but my trusted tech claimed there are years, if not decades, left in 'em (as long as I don't do something mega-stupid).cheers! I still have plenty of life left in my original '63 Gibson and '65 Ampeg preamp tubes - both tested well within spec recently at my tech. RCA and Telefunken baby - top quality! Link to comment Share on other sites More sharing options...
Members Midrange Posted January 3, 2007 Members Share Posted January 3, 2007 I've got a 1948 Silvertone practice amp with original tubes. I take it out to jam with friends, and use it at home all the time. No troubles. I don't plan on replacing them anytime soon either.... Unless they explode. Link to comment Share on other sites More sharing options...
Members utsapp89 Posted January 3, 2007 Members Share Posted January 3, 2007 nevar Link to comment Share on other sites More sharing options...
Members RUExp? Posted January 3, 2007 Members Share Posted January 3, 2007 Every February 29th. Link to comment Share on other sites More sharing options...
Members Ray20 Posted January 3, 2007 Members Share Posted January 3, 2007 Originally posted by butterknucket That can actually be dangerous and cause damage to the amp, but only change them when you notice they're starting to go bad. dude, its a voltage gain stage..there's no damage the same goes for putting boosts in front, no change if anything the only thing that will burn out your preamp tubes is cathode poisoning..so put the amp on standby for two minutes before you turn on and turn off the amp and..don't buy amps with starved plate voltages (to make the tube distort sooner) Link to comment Share on other sites More sharing options...
Members butterknucket Posted January 3, 2007 Members Share Posted January 3, 2007 Originally posted by Ray20 dude, its a voltage gain stage..there's no damage the same goes for putting boosts in front, no change if anything the only thing that will burn out your preamp tubes is cathode poisoning..so put the amp on standby for two minutes before you turn on and turn off the amp and..don't buy amps with starved plate voltages (to make the tube distort sooner) I was referring to power tubes. Link to comment Share on other sites More sharing options...
Members Eric Dahlberg Posted January 3, 2007 Members Share Posted January 3, 2007 Do you guys have any issues with your amps rattling? In my case, it happens quite often in my Pro Jr. & Classic 30, & it always ends being that a microphonic preamp tube is the cause. Link to comment Share on other sites More sharing options...
Members lostandfoundpdx Posted January 3, 2007 Members Share Posted January 3, 2007 i only change out preamp tubes for tonal differences, i have only had one 12ax7 burn out on me, and it was a faulty tube (big surprise, it was a grrove tube) Link to comment Share on other sites More sharing options...
Members fusionid Posted January 3, 2007 Author Members Share Posted January 3, 2007 cool Link to comment Share on other sites More sharing options...
Members angus_old Posted January 3, 2007 Members Share Posted January 3, 2007 they're detachable? Link to comment Share on other sites More sharing options...
Members fusionid Posted January 4, 2007 Author Members Share Posted January 4, 2007 Originally posted by onbongos they're detachable? Link to comment Share on other sites More sharing options...
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