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IsakAlexander 2nd January 2012 03:36 PM

Restoring a JBL SA-600
Ive just started on this, ordered new caps and transistor sockets yesterday.
My problem is finding new replacement transistors as someone have done a really poor repair previously. I understand MJ4502/MJ802 were used but Im missing all of the smaller ones and nowhere is it mentioned what they are.
Any suggestions for replacements??

IsakAlexander 2nd January 2012 06:04 PM

MJ15003/4 output devices and 2N3583, 2N6211 drivers??

Orit 3rd January 2012 12:32 PM

Interesting page for you in a Netherlands forum:
Totale restauratie van een JBL SA-600 versterker uit 1966
(Totale restauratie van een JBL SA-600 versterker uit 1966)

IsakAlexander 11th January 2012 04:50 PM

Which TO-66 cased drivers would be the best choice for MJ802/4502 in this T-circuit?

east electronics 11th January 2012 05:50 PM

1-find a schematic ...
2- read this
3- you have to spend money and time
4-dont even know if worth but in the end it could be a nice project ( still there is a holly lot to be done )

i only have a basic schematic of it so email me if it helps

kind regards

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