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psarkissian

Service Engineer Moderator
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psarkissian last won the day on December 9 2021

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About psarkissian

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    Calabasas, CA
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    Playing and fixing guitars, IEEE, slide rules, Iron Butterfly, Cher, anything British

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Community Answers

  1. If you physically tune down one and a half steps below standard, that will warble. Go down a whole step, then,... use the Alt Tune, you can go lower. Also make use of Workbench HD's tuning functions, and save it as part of your patch.
  2. Speaker cut-off when using headphones out, has to do with impedance. To have both going at the same time would heat the amp chip and blow something.
  3. Put amp into "Standby" mode, main power on, let it warm up 2-3 minutes, then turn standby switch to on position. Tube amps that make use of a heater element circuit, it's a good idea to let it warm up 2-3 minutes before taking it out of "Standby" mode. Swapping tubes,... I hope they are the specified tubes and that the power tubes are matched pairs,.... DT-50 Series: 12AX7EH Electro-Harmonix approved for the DT50 pre-amps. EL34EH Electro-Harmonix (matched pairs) for the power amps. ... and that the power tubes were correctly biased.
  4. They are Line 6 part numbers. I'll look for the equivalent Yamaha numbers. "OK do you mean ask someone like Andertons in the UK?", yes, someone like them.
  5. Someone in Support here recommended try going through a retailer there using the following part numbers,... 98-034-0009 for the battery 98-034-0001 for the charger kit
  6. No. Hoping you'll hear from them soon. If there is a problem, I'll take it to my people here, and see what's up with that. I don't get why Brexit would make it such a problem. It's not a fishing territory issue like it is with UK and France.
  7. Try E&M Electronics in Milton Keynes near Bletchley. They are the L6 authorized service there.
  8. Either it's time for the tubes to be replaced, or there's an intermittent solder point somewhere. Take it to a Line 6 authorized service center and have them check it out and service it.
  9. Check the user manual online about adjusting the display contrast. Many times it's just that it got maladjusted by mistake somehow. It happens. Check that before spending on service repair.
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