Blue line svt ampeg

Discussion in 'Amps and Cabs [BG]' started by vicgirth, May 19, 2012.


  1. vicgirth

    vicgirth

    May 19, 2012
    Thanks for the thread! Alot of good info in the 11 pages of posts. :) Based on that info, seems like mine would be a late 70 or 71. So any suggestions on the process of taking this and getting it worked on? Should I be looking for a specialist, etc?

    thanks,

    V
     
  2. vicgirth

    vicgirth

    May 19, 2012
    i'm pretty sure one of them doesnt light up. Should i just pull them out and replace them or ride them? Reading through the threads some were suggesting the 6146b's as a cheaper alternative
     
  3. B-string

    B-string Supporting Member

    Well I think you said you were in Texas? A road trip to Thousand Oaks California would get it in the very capable hands of Johnk_10? He would be the man, does great work and honest as the day is long.
     
  4. B-string

    B-string Supporting Member

    6146B are not a drop in. They use plate caps for the plate B+ that would have to be added and sockets rewired.
     
  5. johnk_10

    johnk_10 vintage bass nut Supporting Member Commercial User

    Feb 16, 2008
    Washington, Utah
    John K Custom Basses
    +1. the OP's amp came stock with 6550's since there are no holes in the chassis for the B+ plate cap leads.
     
  6. B-string

    B-string Supporting Member

    Not to cause any above shoulder inflation ;), but with the current state of my back and hands, you are the man I would take that classic to. :D
     
  7. jmpiwonka

    jmpiwonka

    Jun 11, 2002
    i sent you a pm, if you're in austin i'm sure there are mulpiple guys that can do a fine job on your svt. i take my stuff to chuck at guitar rez because he's done fine work on everything we've taken up to him.
    including a v4b i had and my svtII.

    i put tungsol reissue 6550 tubes in my svt, there is a very long thread talking all about the various makes of 6550 tubes currently available.
    and yes chuck will return to you all the tubes he takes out of the amp, and he doesn't usually recommend replacing tubes just to replace them...
     
  8. Spencer!

    Spencer!

    Jun 25, 2006
    Seattle
    Owner, Pike Amplification & 3Leaf Audio
    One of the perks of having a '69. :cool:
     
  9. JimmyM

    JimmyM

    Apr 11, 2005
    Apopka, FL
    Endorsing: Yamaha, Ampeg, Line 6, EMG
    You should have them tested. Most good techs can do it for you.
     
  10. vicgirth

    vicgirth

    May 19, 2012
    The issue is, I really dont know a good tech and would like to get my mesa boogie checked out as well. Jmpiwonka is recommending someone from austin for the svt, which is not too far from me up here in fort worth.
     
  11. Mr. Foxen

    Mr. Foxen Commercial User

    Jul 24, 2009
    Bristol, UK
    Amp tinkerer at Ampstack
    There are a lot of total hacks out there calling themselves techs (its other people that call me a tech, I know I'm on the hack end with amps), so try and get a good recommendation as far as their specific work, rather than someone who took them an amp and it came back working.
     
  12. B-string

    B-string Supporting Member

    That is why I mentioned Johnk_10, he is as anal about repairs as I am and still can physically handle these behemoths. :)
     
  13. jmpiwonka

    jmpiwonka

    Jun 11, 2002
    The shippers will physically handle the amp for him too...
     
  14. johnk_10

    johnk_10 vintage bass nut Supporting Member Commercial User

    Feb 16, 2008
    Washington, Utah
    John K Custom Basses
    yep. i recommend fedex over ups. i've had a few TB members ship their SVT's to me after they had their local tech attempt to repair them. and when they got them back they finally heard how their amps are supposed to sound.

    if you have a local tech that's familiar with them, it's definitely alot easier (and cheaper) since it isn't inexpensive to ship a well packed 100lb double boxed tube head.
     
  15. Primary

    Primary TB Assistant

    Here are some related products that TB members are talking about. Clicking on a product will take you to TB’s partner, Primary, where you can find links to TB discussions about these products.

     
    Jul 31, 2021

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