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19th December 2012, 10:03 PM
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#1 |
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diyAudio Member
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Source or replacement for 2SA968/2SA2238 ?
Hi,
I have friends Yamaha M-4 on my desk for repair with burned driver and output transistors on one channel. Of course, all of them are now obsolete. I managed to acquire some replacements for the output transistors but have nothing for the driver pair 2SA968/2SA2238. I have RS and Farnell distributors in a place where I live, but I didn't manage to find anything on their stock that could be useful in my case. Found some that are sold on ebay though, but I I think there is a great chance of them being chinese fakes, so I would like to avoid those and find some source that is more reliable. Does anyone have an idea on this ? |
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19th December 2012, 11:05 PM
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#2 |
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diyAudio Member
Join Date: Jan 2009
Location: Pescara
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Avoid exotic fakes and go for serious european replacements. Maybe not so low-noise or high FT, but reliable and good soundind, especially in a global feedback environment. Pinout is different and that is difficult to replace. But in a GFB circuit, you can use 2sc1315, general purpose and a big affordable replacement with a REAL good sound. I know many specialists using FAKES, they are moanin' in a orgasm for those bjt, just poor written characters on a plastic case...
Let me know. Gianni |
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20th December 2012, 09:33 AM
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#8 | |
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Account disabled at member's request
Join Date: May 2006
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Quote:
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20th December 2012, 09:48 AM
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#9 | |
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diyAudio Member
Join Date: Dec 2007
Location: Italy
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Quote:
Newer toshiba replacements should be ok in your application.
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"The total harmonic distortion is not a measure of the degree of distastefulness to the listener and it is recommended that its use should be discontinued." D. Masa, 1938 |
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