Yamaha V-fets wanted

Archived from groups: rec.audio.tech (More info?)

Gary,

It would be of help to mention the generic number of the transistors,
probably 2SJxxxx and 2SKxxxx, where xxxx is a 3 or 4 digit number.
Also, you might want to try contacting Yamaha.

Regards,
Tim Schwartz
Bristol Electronics


Gary wrote:
>
> Hello
>
> I am looking for a set of V-fets for a Yamaha B-2 Power amplifier, i know
> this is a long shot, but some one might have one that has gone on one
> channel and are prepared to sell it or just the V-fets and driver board.
>
> Gary

Archived from groups: rec.audio.tech (More info?)

In article <ciuv51$o75$1@titan.btinternet.com>,
Gary <firestormvtr(sp10)@btopenworld.com> wrote:

>Hello Tim
>
>Good point! they are:
>
>2SK76
>&
>2SJ26
>
>Yamaha have not held them in stock for some years now, the Amplifier dates
>back to 1980, the fets used are what is known as Vertical field effect
>transistors.

Other folks looking for substitutes/replacements for some now-no-longer-
available audio MOSFETs have previously suggested some alternatives:

- Hitachi TO-3P 2SJ1058/2SK162

- Magnatec TO-3 BUZ901/BUZ905 (http://www.semelab.com/) - these may not
be available any longer

- Exicon TO-3 ECF10N16 & ECF10P16 (http://www.exicon.com/) available
through ProFusion (http://www.profusionplc.com).

None of these are exact replacements for the 2SK76 and 2SJ26, I think,
but there might be some which are close enough to allow the circuit to
be adapted / re-biased.

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