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 Forum index » DIY Hardware and Software
CRACKLEBOX lm709 replacement
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loss1234



Joined: Jul 24, 2007
Posts: 1536
Location: nyc
Audio files: 41

PostPosted: Thu Aug 30, 2007 1:10 pm    Post subject: CRACKLEBOX lm709 replacement Reply with quote  Mark this post and the followings unread

Just to let people know, though i am no expert, I just made a really cool sounding cracklebox with a stock MOUSER part. The NTE 909d (14pin dip)
works very well as a cheap and easy to find replacement for the lm709. I was afraid to try it since everyone said you cant use a modern opamp, but this is listed on mouser as a replacement for the 709.

check it out.
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doobedy



Joined: Jan 12, 2009
Posts: 19
Location: Los Angeles

PostPosted: Thu Feb 12, 2009 6:00 pm    Post subject: Reply with quote  Mark this post and the followings unread

Just a quick confirmation on this somewhat ancient post for future cracklebox builders, the NTE 909 or 909d do work exactly the same as the LM709 series op amps.

I just breadboarded a metal can version I found locally at Frys and it does everything a cracklebox should Smile
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Etaoin



Joined: Jun 30, 2005
Posts: 761
Location: Utrecht, NL

PostPosted: Fri Feb 13, 2009 12:48 am    Post subject: Reply with quote  Mark this post and the followings unread

And for people who don't know, I still have eight SN72709 lying around that I'll give away to anyone who pays shipping (which will be around $2 worldwide). I can't guarantee they work, so I'll give two each to the first four people who want one. PM only please, no need to mess up loss's thread.
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Etaoin



Joined: Jun 30, 2005
Posts: 761
Location: Utrecht, NL

PostPosted: Thu Feb 19, 2009 1:37 am    Post subject: Reply with quote  Mark this post and the followings unread

My SN72709 are all spoken for.
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