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| Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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SAE 2200 amplifier transistor sub?
Toshiba S1375 and S1376 used in this 1979 SAE 2200 amp do not seem to
be around anymore, anyone know some good subs for them? Thanks, Jeff |
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#2
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NTE210 and NTE211
kip "frontline@nospam" wrote in message oups.com... Toshiba S1375 and S1376 used in this 1979 SAE 2200 amp do not seem to be around anymore, anyone know some good subs for them? Thanks, Jeff |
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#3
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General subs and not available in matched pairs, thanks but thats not
the type of "sub" I am looking for, as of now all the info I have on these parts is NPN/PNP and voltage and the gain group marks on the parts but without datasheets I can not cross them to "good subs". One other note on this amp, 50% of the caps on the driver board were bad in both channels one was blown one was still working. Maybe I should ask if anyone has datasheets on these S1375 and S1376 Toshiba transistors? Thanks Kip, Jeff |
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#4
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Why not at least try the NTE,s they are cheap enough ,then go looking.
kip "frontline@nospam" wrote in message oups.com... General subs and not available in matched pairs, thanks but thats not the type of "sub" I am looking for, as of now all the info I have on these parts is NPN/PNP and voltage and the gain group marks on the parts but without datasheets I can not cross them to "good subs". One other note on this amp, 50% of the caps on the driver board were bad in both channels one was blown one was still working. Maybe I should ask if anyone has datasheets on these S1375 and S1376 Toshiba transistors? Thanks Kip, Jeff |
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#5
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I have used ECG and others in the past and most of the time they work
but when they do not you can waste a lot of time finding out why. Mostly this is an audio amp using matched NPN and PNP circuits the closer I follow that the longer the amp will last and with smaller DC offset, this amp only has bias adj. and I am only repairing one channel at present so also going for as close to that as possiable and I do not stock many general replacement types and do stock many japanise, american and european transistors in matched pairs for this reason. Actually I would have ordered the NTE if they had matched pairs "MCP" after the number. Jeff |
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#6
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Jeff,
I still have a copy of a service bulletin I received from SAE years ago concerning these transistors. The S1375 subs to 2SC1913 and the S1376 to 2SA913. NOTE-the lead configuration is different!!! Hope this helps. tlw "frontline@nospam" wrote in message oups.com... Toshiba S1375 and S1376 used in this 1979 SAE 2200 amp do not seem to be around anymore, anyone know some good subs for them? Thanks, Jeff |
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#7
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That helps a lot!
Thanks Tlw. Jeff |
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