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 Forum index » DIY Hardware and Software » Thomas Henry designs
Any reason I can't use a 741 in the TH VCA - 1?
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JRock



Joined: Mar 05, 2010
Posts: 68
Location: Bucks County, PA
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PostPosted: Tue Feb 01, 2011 5:04 pm    Post subject: Any reason I can't use a 741 in the TH VCA - 1? Reply with quote  Mark this post and the followings unread

I'm just about to button this build up to go along with my VCO - 1 but I don't have any TL0X1 on hand. I need to double check but I think the 741 has the same pinout. I have one of them.

Just making sure it won't blow anything up Wink

Thanks!

Last edited by JRock on Fri Feb 04, 2011 12:07 pm; edited 1 time in total
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fonik



Joined: Jun 07, 2006
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PostPosted: Fri Feb 04, 2011 3:44 am    Post subject: Reply with quote  Mark this post and the followings unread

you can use it. IIRC the TL071 is just a newer design with less noise and a much higher input impedance.
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JRock



Joined: Mar 05, 2010
Posts: 68
Location: Bucks County, PA
Audio files: 1

PostPosted: Fri Feb 04, 2011 12:17 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks Fonik!

Oops, I meant VCA - 1 Sad

After I checked the pinout I built it and used the 741.
Eventually I'll jam a TL071 in there but the 741 is working fine for now.

I'll post up when I have it switched out and note if there is any difference in performance thumb up

I just want to say that I got my first modular symth up and running!!! Very Happy

Most of the Modules are Thomas Henry...
VCO - 1 x 2
VCA - 1

and I used Your (Fonik) SSM2044 Filter.

It's Awesome! Thanks for your reply and thanks for your knowledge!
And Thanks TH and everyone that helped and filled me in and answered my noob questions!
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