300B Amps - Are they really the best?

Discussion in 'Audio Hardware' started by zeitlos, Sep 3, 2022.

  1. Oddiofyl

    Oddiofyl Forum Resident

    Location:
    Boston
    Nice amp ! Those power supplies are why your amp has the control you speak of. Obviously it’s other good design choices , but those OPT are high quality . Enjoy
     
  2. nutsfortubes

    nutsfortubes They tried to kill us, and we won!

    Location:
    New Jersey
  3. zeitlos

    zeitlos Music was my first love Thread Starter

    Location:
    Germany
    Thanks for your feedback to my little report. I appreciate it.

    I will post some pictures soon :)
    And comment on my little tube rolling as well.
     
  4. zeitlos

    zeitlos Music was my first love Thread Starter

    Location:
    Germany
    Btw. Just to be fully correct. The name of my preamp is „Schiefele“. The spelling correction of my browser changed and misspelled that in my report on the ANK 300B amplifier.
     
  5. zeitlos

    zeitlos Music was my first love Thread Starter

    Location:
    Germany
    The lineup is still improvised. Nevertheless, a few quick photos of the amp and its second biggest fan ;) Hope you get an idea.

    Part 1:

    [​IMG]


    [​IMG]


    [​IMG]


    [​IMG]
     
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  6. zeitlos

    zeitlos Music was my first love Thread Starter

    Location:
    Germany
  7. Ontheone

    Ontheone Poorly Understood Member

    Location:
    Indianapolis
    Will Audio Note sell that amp as an assembled option as well? It seems to be priced quite reasonably for the quality of parts you're getting!
     
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  8. nutsfortubes

    nutsfortubes They tried to kill us, and we won!

    Location:
    New Jersey
    Sweet. Enjoy.
     
    zeitlos likes this.
  9. TheVinylAddict

    TheVinylAddict Look what I found

    Location:
    AZ
    Someone quoted above $5400 for ANK assembled, but not sure if he was answering about the one just pic'd or not.
     
  10. zeitlos

    zeitlos Music was my first love Thread Starter

    Location:
    Germany
    Ontheone and TheVinylAddict like this.
  11. Gyrouser

    Gyrouser Forum Resident

    Location:
    Sweden
  12. zeitlos

    zeitlos Music was my first love Thread Starter

    Location:
    Germany
    If you want, read my report from yesterday. I mentioned it there. I have also had it here and surely commented on it in the course of this thread. I don‘t know anymore which page of this thread it was. Probably rather somewhere at the beginning.
     
  13. Gyrouser

    Gyrouser Forum Resident

    Location:
    Sweden
    Sorry, I have missed your post. Just saw it, gonna read it in a moment. Thanks
     
    zeitlos likes this.
  14. zeitlos

    zeitlos Music was my first love Thread Starter

    Location:
    Germany
    no problem. quite a few pages already …
     
  15. onemug

    onemug Forum Resident


    Subwoofer? :)
     
  16. Ralph Karsten

    Ralph Karsten Forum Resident

    Location:
    St. Paul MN
    FWIW dept.: I'm really familiar with that 6SN7. IMO it is arguably the worst one made. JJ makes a better one (make sure it tests OK on the leakage test; FWIW most of those Sovtek tubes don't do well on that). The best we've heard that's in production is the Linlai. The best vintage is likely the KenRad, but you'll need to check with ANK to see if a GT version is suitable in that circuit.
     
  17. Slimwhit33

    Slimwhit33 Forum Resident

    Location:
    N America
    Stunning! Congrats!!
     
    zeitlos likes this.
  18. jonwoody

    jonwoody Tragically Unhip

    Location:
    Washington DC
    Love the amp! And those naked transformers are sexy as hell! And your doggy is so cute! I love that IsoAcoustics platform too nice job zeitlos. And you can trust the advice of @Ralph Karsten one of the best designers of tube amps out there!
     
  19. nutsfortubes

    nutsfortubes They tried to kill us, and we won!

    Location:
    New Jersey
  20. nutsfortubes

    nutsfortubes They tried to kill us, and we won!

    Location:
    New Jersey
  21. jusbe

    jusbe Modern Melomaniac

    Location:
    Auckland, NZ.
    I het that would look great in this amp. Does it sound as good as it looks?

    [​IMG]

    [​IMG]
     
    zeitlos likes this.
  22. zeitlos

    zeitlos Music was my first love Thread Starter

    Location:
    Germany
    Thank you! Very interesting!
    Would you say the Linlai is better then the Ken Rad?
    And since I‘m not a technician. When you say “suitable“… could such a Tube damage the device? Or will it only result in a bad sound?
     
  23. zeitlos

    zeitlos Music was my first love Thread Starter

    Location:
    Germany
    ha, ha… sort of ;)
     
  24. zeitlos

    zeitlos Music was my first love Thread Starter

    Location:
    Germany

    In general: What‘s different about the GT version? I assume that “not suitable“ would apply to every GT 6SN7 tube then, right?
     
  25. WildPhydeaux

    WildPhydeaux Forum Resident

    The older GT and GTA 6SN7 tubes had a slightly lower plate voltage rating compared to the GTB versions. A circuit design could potentially (see what I did there?) base the design on the higher voltage capability of the GTB, which would stress GT/GTA tubes if substituted.

    In practice, I've never actually heard of an amp/preamp that couldn't happily accept either, but they could certainly exist. Ralph raises a good point and it never hurts to ask the vendor.

    Cheers,
    Robert
     
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