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Helix/HX preset transfers to Helix Stadium
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psarkissian

Service Engineer Moderator
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Everything posted by psarkissian

  1. psarkissian
    Right,... no voodoo involved in set-ups. Just have to do it right and be aware a few things. The specs for one,... the authorized service centers will have access to service info, and the set-up specs and procedures. For another,... the distance between the pick-ups and the strings. When the Models are engaged, if the distance between the pick-ups and strings aren't correct, the magnetic pull from the pick-ups can cause a warbling effect which gets picked up by the piezos. And it's an awful sound. Something you don't deal with when it comes guitars with passive electronics. And things like that. So it's good to take it to an authorized service person who has done a few JTV's. And yes, I have done a few JTV's. This isn't our grandfather's GIbson archtop with passive electronics anymore,... it's a different kind of cat,... so you have to cuddle this cat under the chin just a little differently. There are the usual things to be aware of with guitar set-up,... and some of the not so usual stuff as well.
  2. psarkissian
    D'Addario XL110- are 10's, and are factory issue. If you go to 9's, you'll have to get the set-up adjusted. Use a Line 6 authorized service center.
  3. psarkissian
    "I use the supplied digital cable"--- how long is this cable you are using? When you connect to Monkey, are you trying to do an update? If so, are you trying to update the JTV or the HD500?
  4. psarkissian
    The thing with fret buzz is that it can occur in different places on the neck, depending on how the neck relief is set. Eliminating fret buzz is a balance between neck relief and string action height. Pick-up to string distance can also play a role when the Models are engaged, though that doesn't seem to be the case here. More than likely in your case, it is burrs in the nut slots. If de-burring the nut slots doesn't help, then maybe it may need a new nut. A Line 6 authorized service center would be able to get one, or online through Full Compass (search: jtv-69 nut) on their website.
  5. psarkissian
    vpera, Sounds like a combination of a slight fret buzz and looks like a few burrs in the nut slots. Recommend getting the nut slots de-burred and the set-up checked and dialed-in just a little. Also recommend a Line 6 authorized person in your area with JTV experience. Yes, logging a ticket would be good. Reminders- register the product, log a ticket, use a Line 6 authorized service center. Things go so much more smoothly and efficient that way for you.
  6. psarkissian
    Which product is it?
  7. psarkissian
    Have your local Line 6 authorized service center that does guitars have a look at it, it may just be a set-up or alignment issue. Set-ups are checked at the main distribution point. However climate at a given location can have an effect on the set-up. Since they don't know where a guitar is going to at that point, the set-up would be done to the specifications and not the location of the end destination. However, when I do repair or service a guitar, I adjust the set-ups for the end destinations. Sometimes it's needed that the local tech may need to dial it in that last smidgeon. When a guitar arrives, it's good to play it and give the set-up 2-4 days to acclimate to the end destination where you're at. Then, if needed, go to a local guitar tech for that last final smidgeon of adjustment. 2013 necks have the most recent current neck specs.
  8. psarkissian
    Yeah, what Triryche said. Good idea.
  9. psarkissian
    Have you tried a different signal source and cable?
  10. psarkissian
    Are there any Line 6 pedals plugged into the the RJ45 in the back? And there are no ground loops?
  11. psarkissian
    Are you using a TRS 1/4" cable?
  12. psarkissian
    What else is in your set-up, and how is it plugged in?
  13. psarkissian
    Listening to the audio clip, sounds like either the processor clock is failing or an input amp is failing on the UX2. Very slim chance,.... your computer is 64-bit, the UX2 is 24-bit,... I take it your sound-card is doing internal conversions. I asked about the mic earlier, because too many people use dynamic mics on these, and so they blow the phantom power line as a result. At least you know to use a condenser mic,... very good.
  14. psarkissian
    What mic are you using?
  15. psarkissian
    Use the recommended cable and cable length. Line 6 link cable and mic cable are not the same. Impedance are different and the uses are different. AES/EBU,... it's the standard issue for this sort of application. For the uninitiated,... AES being the Audio Engineering Society, and EBU as in the European Broadcast Union.
  16. psarkissian
    The Sovtek 5881WXT is what Rheinhold Bogner spec'd for this one (Spider Valve series). The Sovtek 5881/6L6 WGC doesn't have the cup at the bottom which created problems with tube retainers so we don't use those anymore. People want the crunch of a Mesa tube, unfortunately too many with Mesa tubes come back with problems. JJ's and GT's also come back to us with problems, and things like the bias being way off-spec. The Sovtek 5881WXT is what Rheinhold Bogner spec'd for this one (Spider Valve series). There are interactions between the digital portion and the tube portion, such that, it is not as forgiving as old 60's as 70's tube amps. You can't get away with the same deviations with these as we used to with older tube amps. We have our tubes go through some extra scrutiny. Best to stick with the specified tubes,... less problems that way.
  17. psarkissian
    No, I'm not new,... the thread is out-of-date. I'll let Dave know, thanks. I've been dealing with Spider Valve since the beginning, been dealing with tubes and tube amps for more than four decades. The characteristics curves of the JJ's, Mesa's and Groove Tubes are not close enough. If those are biased the same to the bias settings for the 5881WXT's,... then the amp ends up on my bench with problems. Can't use the same bias settings on these other tubes as with the 5881WXT. I see too many come back because of the wrong tube and/or bias settings. This is a mixed technology amp. You can't get away with the same sort of things we used to get away with for Marshall amps with 6550's in them. These amps are not as forgiving as the tube amps of yesterday-years. It's a Bogner hot-rod.
  18. psarkissian
    Be sure to use the correct impedance output for the cabinet that you are using. They have to be matched or the tubes and circuitry will get stressed,... and then it will end up on a technician's bench. And that's no fun. Keep your fingers out of the inside of the amp,... even with the power off, a capacitor can discharge into your hand, and that hurts like hell.
  19. psarkissian
    And use the specified Sovtek 5881WXT, matched quartet tubes. No JJ's, Mesa's or Groove Tubes,.... if they are biased the same as the 5881WXT, there will be problems, the characteristic curves are not matched close enough for use in this amp.
  20. psarkissian
    "I was just wondering if the "two tubes out" solution would work as a temporary solution in case I could not get it done before the upcoming gig." ---- No! Don't do that. These aren't our grandfather's tube amps, these are mixed technology amps, you can't get away with this sort of thing like we used to in the old days. They are not designed to do that.
  21. psarkissian
    It may be only that it's time for a tube change out and bias. Good idea to do that once every 12-18 months if you're a performing musician. Have it checked out at a Line 6 authorized service center in your area, that knows tube amps. Sales person should have never pulled two tubes out of it,... much less the wrong two tubes. It offset the push-pull symmetry. That and how long they've been in the amp is probably why the one tube was hot. Don't try to deal with it yourself, it hurts when you get zapped. Take it in to a service center, have the right tubes put in and biased by a tech.
  22. psarkissian
    Tube amps should be dealt with by a Line 6 authorized service center. They will have access to service manual and service info. There's more to the bias procedure than adjusting a trim pot. Specified tubes should be used. I see too many amps come across my bench because someone tried to hot-rod an amp that's already hot-rod. It's a hybrid amp with a digital section and with multiple gain loops and amp classes. Using non-spec tubes will create problems. Using incorrect bias will create problems, bias is not a "one size fits all" proposition. These aren't our grandfather's Marshall or Phase Linear tube amps. Leave it to the guys with the service info access. Besides,... it really hurts when you touch the wrong thing and get zapped!
  23. psarkissian
    Workbench is the way to make such adjustments,.... The piezo sensitivity is what it is, and there's nothing on the circuit board for physically changing that.
  24. psarkissian
    Don't do that,... It's a keyed connector, you'll break it. If you pull the pins out of the connector and and a pin breaks you'll have problems maintaining a connection.
  25. psarkissian
    No "innovine", got it wrong. Not trying to drum up business, trying to keep your gear from ending up on my bench. Sorry if you think otherwise.
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