I am working on a Bose car amp model:
Year:March 1991
came out of a 1993 Audi Quattro 100CS 2.8 and I need a generic part for:
U1=Bose # 131354=op amp IC=20 pin dip U2=Bose # 134499=Class D amp IC=20 pin dip
note:many car makers use these factory Bose car amps in their upper class models.Thanks for replies
Sidney E-mail:sidneybek(at)yahoo.com Dartmouth,Nova Scotia Canada
1993 sounds a little old to use a switching type PCM output. Are you sure? Sounds like junk yard time. Good luck getting Bose factory parts.
Bob
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Bob I don't know but here is some more info:
I need a generic part # for 20 pin dip op-amp IC as NTE and extensive Google search did not help.Here are the specs for the required part as I could not find any more info on U1 for the Bose in question below:
Pins:
1=op-amp1,audio in 2= 3= 4= 5=op-amp2 in 6= 7= 8=op-amp2 in 9= 10=op-amp2 out 11= 12= 13= 14= 15= 16=compresson rectifier in 17=compressor time network 18=gnd 19=half voltage supply 20=vcc (12v) (12 ma draw)Sidney E-mail:sidneybek(at)yahoo.com Dartmouth,Nova Scotia Canada
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