[sdiy] sources for yamaha ICs?

[gregory zifcak]

whoa! wait, i thought they were quad opamps. i'll have to double check the 
service manual. where are you guys finding the cross references?
thanks a lot,
greg


>From: Doug Terrebonne <dougt55 at yahoo.com>
>Reply-To: Doug Terrebonne <dougt55 at yahoo.com>
>To: gregory zifcak <zifcak at hotmail.com>,        synthdiy 
><synth-diy at dropmix.xs4all.nl>
>Subject: Re: [sdiy] sources for yamaha ICs?
>Date: Tue, 25 Apr 2006 22:05:00 -0700 (PDT)
>
>Well yeah, TA7504 cross matches to a 741 according to Mouser - 35 cents 
>each...
>
>----- Original Message ----
>From: Bob Weigel <sounddoctorin at imt.net>
>To: gregory zifcak <zifcak at hotmail.com>; synthdiy 
><synth-diy at dropmix.xs4all.nl>
>Sent: Tuesday, April 25, 2006 10:04:36 PM
>Subject: Re: [sdiy] sources for yamaha ICs?
>
>
>The first one is crossed to an NTE part I have in stock. -Bob
>
>gregory zifcak wrote:
>
> > hi,
> > sorry for the crosspost, i've been trying to get ahold of some opamps
> > for a cs30 for a little while, with no luck. i'm looking for ta7504m
> > and ta7505m opamps, BOTH listed in the service manual as IG001040
> > (along with a bunch of other parts. ?). i've tried emailing these two,
> > but one is out of the office until the end of may, and the other
> > results in a delivery failure.
> >
> > http://www.lizardweb.com/organ/GOS_semiconductors.pdf
> >
> > http://www.wdgreenhill.com/AtoZ/Yamaha.htm
> >
> > any pointers much appreciated.
> > greg
> >
> >
> >