Members guitarz4 Posted September 11, 2021 Members Share Posted September 11, 2021 it s especially noisy on distorted channels and seems to change my user presets volume levels constantly.is there a tube preamp in this?or is my battery going bad causing all these problems? Quote Link to comment Share on other sites More sharing options...
Members DeepEnd Posted September 15, 2021 Members Share Posted September 15, 2021 On 9/10/2021 at 8:44 PM, guitarz4 said: . . . is there a tube preamp in this? . . . AFAIK, no. I'm fairly certain it's all SS. If you suspect a battery issue go ahead and swap in a known good one. Maybe spray anything accessible with contact cleaner. 1 Quote Link to comment Share on other sites More sharing options...
Members Mr.Grumpy Posted September 15, 2021 Members Share Posted September 15, 2021 On 9/10/2021 at 8:44 PM, guitarz4 said: .is there a tube preamp in this? Definitely no tubes. On 9/10/2021 at 8:44 PM, guitarz4 said: is my battery going bad causing all these problems? The battery is only to maintain the memory chip that holds your presets. If the internal battery died, you would lose any custom presets you programmed. Pretty sure it wouldn't affect the audio quality. On 9/10/2021 at 8:44 PM, guitarz4 said: it s especially noisy on distorted channels There's many different kinds of noise, each with their own source. There's electric hum ("mains hum" in England) and it's close cousin, buzz. This noise is always at the frequency of your local electric power. There's "white" noise, which is a hissing or whooshing sound, especially common with high gain setups. Of course, high gain makes any noise picked up by your guitar much worse. Are you using the noise gate or hum cancelling features? A digital modeling amp like this is going to be unfriendly to any DIY repair attempts. The most I would attempt would be to spray the smallest possible spritz of De-Ox-Id pot cleaner/lube, but only if: It's an "unsealed" pot. If it's a sealed pot, then the only avenue to get cleaner in is to spray down the pot shaft and sometimes works but then a bunch of crud drips out of the pot and on to the circuit board. I would contact Line6 and see if they have a certified repair center near you. Or, consider that 15 years is a pretty good run and consider upgrading - modeling technology has improved greatly, and there's a good selection of modeling amps out there from Line 6, Fender, Roland/Boss and others. 1 Quote Link to comment Share on other sites More sharing options...
Moderators daddymack Posted September 20, 2021 Moderators Share Posted September 20, 2021 I'm assuming you bought the amp used, right, since they only made the 100W AxSys 212 in '96-97. So think about the fact that these typically sell used for about $300 [oh sure, there are some who ask ridiciulous amounts, but they are all over the web at 3-350]. Think about he fact that Line 6 stopped making them after 2 years. Think about the fact that it was about a generation ago [a quarter century] when the amp was designed and built. Time for a new amp. Fixing these older solid state modeling amps is an involved process and rarely worth the expense. Cut the head out and keep the 2x12 cab and get a used Quilter head... Or save up for a Kemper... 1 Quote Link to comment Share on other sites More sharing options...
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