Spring Reverb |

G. Forrest Cook designed this spring reverb and his online publication is on solorb.com. Chris/stobiepole wanted to do this one and his prototype appears above.
It sounds really clean and natural…almost too good to be a spring reverb. But when you whack the reverb springs - *POW* - you get dub explosions.
| Up to Circuits Topic |
Trackback URL for this post: right-click and copy
wayne said:
hi.. interesting project, i was wondering whether u could post more pictures of inside the enclouse.. thanks..
Posted 06.10.2007 at 1:34 pm
Chris said:
What sort of pictures do you want? Close-ups of the PCB? Tell me and I’ll see what I can do.
Posted 06.10.2007 at 8:26 pm
wayne said:
yeah..close ups of the pcb with the components and how its connected to the reverbtank, thanks
Posted 07.10.2007 at 9:28 am
Ahren said:
Do you think this could be easily modified to work as a reverb for vocals?
Posted 13.11.2007 at 10:16 am
gaussmarkov said:
Hi Ahren,
I’m not sure what you are after. You can certainly get your vocal to run through this reverb unit with the right setup.
Posted 14.11.2007 at 12:04 am
Ahren said:
I would like to have XLR in and out, so you could go between the mic and PA. I’m just not sure what would have to be done to have the proper impedances. I can post this question at Aron’s forum if you prefer. Awesome site by the way!
Posted 14.11.2007 at 6:35 pm
gaussmarkov said:
Thanks Ahren. I would prefer to keep more general discussion on Aron’s forum. It’s such a great resource and it’s better the more that we all participate there.
Posted 14.11.2007 at 9:06 pm
Will said:
Hey gaussmarkov. Is there any sound samples of this reverb out there? cuz’ this project is really interesting. Thanks an nice site!
Posted 28.11.2007 at 5:18 pm
gaussmarkov said:
hi Will! stobiepole verified the layout and he has not made any clips yet. he’s getting setup for recording stuff and hopefully we’ll get something up someday. but don’t hold your breath.
Posted 28.11.2007 at 8:43 pm
xenonsky said:
can you use different reverb tanks? I have a collection of tanks with different sizes of springs and different numbers of springs and I would like to be able to switch between them for different styles? this is a great project, thanks.
Posted 31.05.2008 at 8:18 am
gaussmarkov said:
absolutely you can use different tanks! the basic issue is getting input and output impedances that work with the existing component values.
Posted 31.05.2008 at 2:17 pm
Solderman said:
Hi Gausmarkow
Thanks for a splendid site. I really enjoy and have learned much from your “pats” section.
I just made the “Spring reverb project” and I am very pleased with the result. One of my goals with this project was to cram every ting in to a BIMBOX 4004 (Same as a Hammond 1590B except that it is 40mm deep). It was not that complicated. I used your layout and etched my own PCB. One thing I discovered tough was that I needed (at least one) hole for a PCB fixture. At the top end of the PCB I used double-coated adhesive tape to secure the PCB to the flat backside of the “In” and “drive” pots, but at the other end I needed a hole to fixate the PCB. The layout is tight and quite crowded (good design job I think). To accomplice this I drilled a 4,5 mm hole in the only area I found that was big enough. This was between R28, C1,C15, Rev_Bias Trim. As a result you will cut the trace going from “Input_2” to C1. This I solved by drilling a new hole close to C1 and solder the wire there instead. If you have the time I think it would be nice to have a pad there just in case someone like me shuld have the same idée. Of cause one can always cut the PCB with more space around the traces to fit holes in each corner but in my case I have only 3 mm in length and 2 mm in with to play with to get the PCB to fit within this box together with the rest of the stuff.
I will send you pictures of my build as soon as my wife gets back from here holiday with our digital camera.
Solderman
Posted 30.06.2008 at 10:09 pm
gaussmarkov said:
Solderman,
wonderful! send your pics and i will make some changes to the board.
cheers!
Posted 01.07.2008 at 6:24 pm