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Old 4th Jan 2021, 10:31 pm   #3
John_BS
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Join Date: Dec 2008
Location: Wincanton, Somerset, UK.
Posts: 1,780
Default Re: Help with a transistor id please

Those are Rockola part numbers so unlikely you'll find the data. They should be replaceable with any transistors in the same package. Important ratings are Vcb / Vce > 80V, Ic > 1A, and check SOE curves to ensure they are rated for audio use. e.g. BD239C/BD240C
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