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AC151 R VI transistor needs replace!!!
AC151 R VI transistor needs replace!!!
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Old 18th May 2012, 04:55 PM   #1
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Default AC151 R VI transistor needs replace!!!

Hello .
Does anyone know any other type of transistor to replace this difficult to find Ac151 r Vi ?
It is for use in the Af stage of a uher 4000 report L reel to reel
Thank you!
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Old 19th May 2012, 05:08 PM   #2
tiefbassuebertr is offline tiefbassuebertr  Germany
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Location: D-55629 Schwarzerden
I would try the version without "r" (you will get more bad signal to noise ratio, but in an extrem small amount).
Very important is the fact, that you must use a genuine Siemens NOS version like from the follow auctions:
AC151 Siemens Germanium Transistor Fuzz Pedal NOS AC151/1 | eBay
Versions from other brands are mostly not helpful.
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