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st-35

  1. ADClosson

    Can I build a Dynakit ST-35?

    Greetings, all. I've been living contentedly with an old Yamaha A-1000 that, with the capable guidance of AK members, I recapped and repaired a few years back. I still enjoy the Yamaha and will hang on to it, but I'd like to try something else for comparison's sake. Dynakit Parts looks like an...
  2. currituckco

    Squeals of displeasure from DIY Dynaco ST35 clone

    I previously discussed this amp here: http://www.audiokarma.org/forums/index.php?threads/problem-with-a-diy-dynaco-st-35-clone.820247/ But the problem persists - squeals & motorboating as soon as it warms up. I wondered if it was the driver tubes (new JJ 12DW7) but didn't have any others on...
  3. currituckco

    Problem with a DIY Dynaco ST-35 clone

    Hi all, I'm building a Dyna SCA-35/ST-35 hybrid clone and having some trouble. I have the thing built right now as an ST-35, without the phono board built out (an SCA-35 is basically an ST-35 plus a phono stage and selector switch/volume/tone controls, plus a higher gain, worse sounding driver...
  4. H713

    A few more DIY Tube amp Questions

    After a bit of pondering after my last post, I've got two designs in mind. I'd prefer not to spend the $250 on a pair of ST-70 output transformers. I'd like to keep the output transformers under 200. I'm trying to decide between building an "ST-70" with Edcor transformers (probably have to be a...
    • H713
    • Thread
    • dynaco st-35 st-70 transformers tube amp
    • Replies: 1
    • Forum: DIY
  5. DanGuitarMan

    Dynaco ST-35 bias voltage skyrocket

    A few years ago I rebuilt a Dynaco ST-35 using Dave Gillespie's boards and I've encountered a problem that I haven't been able to figure out. I've reached out to Dave and he has been very helpful so far, but I thought it couldn't hurt asking the rest of the AK community. A few weeks ago a tube...
  6. TravAndAlex

    Dynakit ST-35 - quiet static (popping noise) in one channel. Help!

    Hi. I'm hoping you can help me. I have a Dynakit ST-35 kit that I've used daily for a couple years. I love it! Unfortunately, today I noticed that one channel has an occasional static noise (quiet popping sort of noise). I tried disconnecting the pre-amp and I swapped tubes left to right...
    • TravAndAlex
    • Thread
    • dynaco dynakit st-35 troubleshooting tube amp
    • Replies: 101
    • Forum: Tube Audio
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