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Old 13th May 2005, 12:01 AM   #1
diyAudio Member
Join Date: Mar 2005
Location: Aussie
Default Quad 520F output transistors??

Hi, I have a Qaud 520F with some shorted output transtors.
Apparently it has been worked on by a tech before and he gave up.
The transistors read as RCA devices "17556" Are there any common known equiavlants.eg MJ15003?
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Old 13th May 2005, 06:54 AM   #2
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Join Date: Mar 2004
Location: RLP

MJ 15003 is the correct type. These replacements are also used by QUAD when they carry out repairs. Beware of faked MJ15003`s!

kind regards,

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