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Old 2nd January 2012, 03:36 PM   #1
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Join Date: Sep 2006
Default 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??
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Old 2nd January 2012, 06:04 PM   #2
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MJ15003/4 output devices and 2N3583, 2N6211 drivers??
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Old 3rd January 2012, 12:32 PM   #3
Orit is offline Orit  Italy
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Location: Milano
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)
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Old 11th January 2012, 04:50 PM   #4
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Which TO-66 cased drivers would be the best choice for MJ802/4502 in this T-circuit?
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Old 11th January 2012, 05:50 PM   #5
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Join Date: Jan 2006
Location: Athens GREECE
1-find a schematic ...
2- read this vintage amplifier repair/upgrade manual
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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