2sk77b and 2sk180 new projects

[woody]

At Firstwatt Nelson has said that he has an upcoming project or 2 that use these rather rare devices. I wouldn't mind picking up a pair of the 2sk180 devices if I only knew a cheap yet reliable source. Anyone have a source for them that they recomend ?

 

[6L6]

You may find a member here who has some and is willing to part with them... As for commercial sources? I doubt anybody has any. (I could be wrong...)

They are 40yr old, single supplier, low production devices. Unobtanium is not much of an exaggeration.

 

[Nelson Pass]

I purchased 2SK180's from Sun-Pec.com

They delivered as promised and I'm pretty sure they are genuine, but I haven't
had the chance to play with them yet.

www.datasheets360.com has the spec on it.

2SK77B's, I don't know where you'll find them unless you know the guy who
owns Digital Do Main. I got a few as a gift.

 

[dady]

What about the Tokin THF-50S?
Best Regards

 

[ui2]

Unfortunately the site:
Sun-Pec.com
states (this morning) to be back from October 2014 on....
THF-50 seems useable on first sight, but is it available? For what price?
Regards,
Ulrich

 

[Michael Rothacher]

I have a few to spare.

 

[dady]

Good morning,

Hi Dear Michael, Did you tried how it behaves in place of 2SK180 and 77b?
Best Regards

 

[ui2]

I have a few to spare.

Dear Michael,
although I most part of the day have to struggle with (aeronautics) work issues, I set up a 2SK82 based SE amp working at relative high voltages (OP around 140V/0.2A). Seems to work quite ok, with the first stage being tube driven. Output wattage is ok, but...
I'm therefore interested to move towards either even higher voltages or higher currents. (Checked you video with the 180's curves..)
Would it be possible to ask for one or even two pairs of 2SK180's? Maybe a PM would be appropriate ?
Many thanks in advance and please accept my apologies in case I misunderstood your post.
All the best,
Ulrich

 

[Michael Rothacher]

I have the 2Sk180s's. I've tried them in a few different circuits. L'Amp sort of stuff.

You can find curves on my website. Audiohobby.com | DIY Audio Projects & More

I have no experience with the 77's or 77B's. They're like unicorns.

 

[Michael Rothacher]

@ui2

I was replying to woody's inquiry. I don't think I have enough beyond that. But, I'll check later.

 

[dady]

And the THF? I have some for spare.

 

[woody]

Michael were you saying you could let me have 2 ?

 

[Michael Rothacher]

Or four. One must always have spares.

my email address is: mike (at) audiohobby.com

 

[ui2]

@ui2

I was replying to woody's inquiry. I don't think I have enough beyond that. But, I'll check later.

Many thanks! Sound good. Hope to hear from you.
Ulrich

 

[woody]

Michael you have mail.

 

[jama]

Hello all. I have two units of 2SK180 for share. I have checked and I think they are in good conditions.

 

[dady]

Dear friend Jama, I am happy to find you here.

 

[dady]

I am still feeling invisible for the people....

 

[Soundhappy]

I am still feeling invisible for the people....

Hi Dady amigo !
Not truth for example i see you are visible
2SK180 & THF Tokins are interesting transistors
probably much more watts in single-ended
Hope we see with little chance schematic from ingineers laboratory
for this promising vfets
Greetings

 

[dady]

Hi My frenchy friend. Welcome.