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 Forum index » DIY Hardware and Software » fonik's place
SpringSim
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fonik



Joined: Jun 07, 2006
Posts: 3950
Location: Germany
Audio files: 23

PostPosted: Wed May 23, 2012 12:53 pm    Post subject: SpringSim
Subject description: Accutronics Digi-Log-Reverb Module
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i made myself a simple reverb module built around an accutronics digi-log-reverb unit. the schematic is according to the datasheet, however, i changes some values to accomodate my synths audio levels.



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cheers,
matthias
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Junk Rhythm



Joined: Jan 07, 2008
Posts: 81
Location: San Francisco, CA

PostPosted: Wed May 23, 2012 4:13 pm    Post subject: Reply with quote  Mark this post and the followings unread

Very nice Fonik! If you ever do a small run for the PCB, I'm in for one. SMD is super easy. Very Happy
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mark_olson



Joined: Oct 26, 2006
Posts: 177
Location: Lawrence, Kansas

PostPosted: Wed May 23, 2012 7:53 pm    Post subject: Reply with quote  Mark this post and the followings unread

Really nice! Inspiring too - I have an Acutronics reverb tank that's been gathering dust for years because I don't seem to have the time or motivation to adapt a circuit for it. Seeing this makes me think I might never get around to it, this being such a straightforward alternative.

Mark
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diablojoy



Joined: Sep 07, 2008
Posts: 809
Location: melbourne australia
Audio files: 11

PostPosted: Wed May 23, 2012 10:07 pm    Post subject: Reply with quote  Mark this post and the followings unread

Orsm as usual matthias
2 for a true stereo version would be nice
sign me up for 4 if you do produce a board Smile
my current spring reverb is a box 2 feet square [the tank itself is huge] but then it is from the early 70's so this would be quite a bit more manageable panel wise Laughing

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fonik



Joined: Jun 07, 2006
Posts: 3950
Location: Germany
Audio files: 23

PostPosted: Thu May 24, 2012 11:52 pm    Post subject: Reply with quote  Mark this post and the followings unread


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Posted Image, might have been reduced in size. Click Image to view fullscreen.
cheers,
matthias
____________
Big Boss at fonitronik
Tech Buddy at Random*Source
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mark_olson



Joined: Oct 26, 2006
Posts: 177
Location: Lawrence, Kansas

PostPosted: Fri May 25, 2012 6:07 am    Post subject: Reply with quote  Mark this post and the followings unread

Real cool. Thanks for posting the video.

Mark
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diablojoy



Joined: Sep 07, 2008
Posts: 809
Location: melbourne australia
Audio files: 11

PostPosted: Sun Jun 24, 2012 2:43 am    Post subject: Reply with quote  Mark this post and the followings unread

just ordered 2 short and 2 long digi-log-reverb units from small bear
decided against getting the mediums as well not enough difference to warrant adding them in
should make for a nice module true stereo with a mix of short and long times available.
thanks matthias will be studying your schematic for the value changes
you used Smile will save me a lot of time

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izash



Joined: Apr 22, 2010
Posts: 8
Location: Israel

PostPosted: Fri Jul 21, 2017 4:10 pm    Post subject: Reverb Module - Opamps Reply with quote  Mark this post and the followings unread

Hi Fonic,
Thank you for some great designs. I learn a lot!
I'm an electronics newbie, so please explain how the output opamps work in this circuit. Are they used as differential amps? How do they mix the dry and wet signals.
Izhar
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