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wahoah
Joined: Jan 27, 2013 Posts: 6 Location: USA
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Posted: Wed Jan 30, 2013 5:53 pm Post subject:
Any simple bass drum schematic? or snare? |
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Hi!
Ive been serching for a simple bass drum schematic and havent find anything, a snare could be great too or a hi hat
anyone have one? |
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-minus-
Joined: Oct 26, 2008 Posts: 787
Audio files: 13
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wahoah
Joined: Jan 27, 2013 Posts: 6 Location: USA
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-minus-
Joined: Oct 26, 2008 Posts: 787
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-minus-
Joined: Oct 26, 2008 Posts: 787
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Tony Deff
Joined: May 25, 2008 Posts: 51 Location: Suffolk, UK
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Posted: Sun Feb 03, 2013 10:34 am Post subject:
Re: Any simple bass drum schematic? or snare? |
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wahoah wrote: | Hi!
I've been searching for a simple bass drum schematic and haven't found anything; a snare could be great too, or a hi hat.
Anyone have one? |
Aloha, Wahoah,
I built a very passable set of 8, way-back in the previous millenium, from a design published in Practical Electronics here in the 51st State.
I may still have it, but don't fancy re-drawing the schematics from the original stone-tablet carvings.
Whilst quickly looking to see if was archived on-line, I came across this set of Carillon (The bells! The bells!)
Everyday Practical Electronics 2008 PDF (scroll down to page 35).
Hells bells. |
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-minus-
Joined: Oct 26, 2008 Posts: 787
Audio files: 13
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Posted: Mon Feb 04, 2013 2:14 am Post subject:
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Thers some reasonabell chimes to be had from Ken Stone's Chime Simulator...
http://www.cgs.synth.net/modules/cgs19_chime.html
I built this and the bells are quite convincing although not easily retuned.
Or for a kick sound you could try Eric Archers Mini Space Rockers...
http://ericarcher.net/devices/mini-space-rockers/
I built this too. There are three caps you can experiment with to get a variety of tones. This is a simple circuit and easy to breadboard and play around with. There are some sound files on Eric's site with various cap sizes and the sounds they create. I couldn't make my mind up on the caps so I used three twelve position rotary switches... giving me... 12 X 12 X 12 variations |
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Uncle Krunkus
Moderator
Joined: Jul 11, 2005 Posts: 4761 Location: Sydney, Australia
Audio files: 52
G2 patch files: 1
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Posted: Mon Feb 04, 2013 5:16 am Post subject:
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Don't forget Thomas Henry's MPS. It is a lot of kit for 1 drum, but it definitely allows for everything. 3partials/RM/Noise filter.
It's a very small board too, laid out by yours truly! _________________ What makes a space ours, is what we put there, and what we do there. |
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wahoah
Joined: Jan 27, 2013 Posts: 6 Location: USA
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Posted: Thu Feb 07, 2013 9:01 pm Post subject:
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ive just breadboarded the Bass Drum from the monotribe korg, i like it but i need a little more bass and deeeper sound
any recomendations? |
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elmegil
Joined: Mar 20, 2012 Posts: 2177 Location: Chicago
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-minus-
Joined: Oct 26, 2008 Posts: 787
Audio files: 13
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Posted: Thu Feb 07, 2013 10:54 pm Post subject:
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wahoah wrote: | ive just breadboarded the Bass Drum from the monotribe korg, i like it but i need a little more bass and deeeper sound
any recomendations? |
Try a few different transistors, even of the same type. I replaced the quite a bit until I found one I liked. Have you used a decay pot? That will give it more boom. The other option is to try a more complex circuit like the 808. You'll need a bipolar power supply to run it though. |
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wahoah
Joined: Jan 27, 2013 Posts: 6 Location: USA
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-minus-
Joined: Oct 26, 2008 Posts: 787
Audio files: 13
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Posted: Thu Feb 14, 2013 1:45 pm Post subject:
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Yes, that is correct. Is it having no effect for you? |
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KRS1972
Joined: Sep 27, 2012 Posts: 38 Location: Amsterdam
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EATyourGuitar
Joined: Oct 28, 2010 Posts: 59 Location: Providence, RI
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Posted: Wed Mar 06, 2013 6:58 pm Post subject:
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what you want is a simple sine VCO and a monostable source like a 555 RC lowpass'd to get a decay envelope. your envelope controls the pitch of the sine wave. you can skip the VCA if you just high pass the bass drum sound right around 100hz. that should give you a nice fade out from a single envelope. |
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Biyi
Joined: Dec 06, 2010 Posts: 13
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elmegil
Joined: Mar 20, 2012 Posts: 2177 Location: Chicago
Audio files: 16
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Posted: Sun Sep 29, 2013 4:03 pm Post subject:
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Several questions come to mind....
You're using a diode on the input rather than an inverter? I assume they're using an inverter because they use a negative going trigger pulse?
What is the 100K to ground immediately after the input diode?
In the original schematic, four of those five caps are 105, not 104.
I'm having difficulty following what goes where with the 470K resistor and three of those caps, but I think it looks like your stripboard matches the schematic other than the values. |
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Biyi
Joined: Dec 06, 2010 Posts: 13
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Posted: Mon Sep 30, 2013 6:20 am Post subject:
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elmegil wrote: | Several questions come to mind....
You're using a diode on the input rather than an inverter? I assume they're using an inverter because they use a negative going trigger pulse?
What is the 100K to ground immediately after the input diode?
In the original schematic, four of those five caps are 105, not 104.
I'm having difficulty following what goes where with the 470K resistor and three of those caps, but I think it looks like your stripboard matches the schematic other than the values. |
Elmegil Thanks for answering! ...-Minus several things described above of the page, the replaced the inverter by a diode, one 100k resistor and 0.1 uf cap.
I'm not sure which function has 100k resistor, but it works very well .. guess it will be a discharge resistor, because without it does not work.
The circuit works perfectly as I said-minus-and I've been tested.
The caps = 104 = 100nf 0.1uf are correct at the basdrum., That for me it worked very well with the decay but on the breadboard, and does not work the decay in the stripboard ..
I do not know why? if it is the same circuit that apart snaredrum caps are 0.018 uf = 18nf = 183
It's strange because the snaredrum stripboard, works perfectly with the decay pot.
Thanks. |
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elmegil
Joined: Mar 20, 2012 Posts: 2177 Location: Chicago
Audio files: 16
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Posted: Mon Sep 30, 2013 8:06 am Post subject:
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Have you tried a different pot?
Sorry if this was already discussed above too. |
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Biyi
Joined: Dec 06, 2010 Posts: 13
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Posted: Mon Sep 30, 2013 10:18 am Post subject:
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yes elmegil,i tried pot,resistors......iI think I'll start a new stripboard for bassdrum .. but it is strange that in bredboard work the decay and the stripboard not ... I will continue to see ,what happens! |
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richardc64
Joined: Jun 01, 2006 Posts: 679 Location: NYC
Audio files: 26
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Posted: Mon Sep 30, 2013 2:07 pm Post subject:
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wahoah wrote: | ive just breadboarded the Bass Drum from the monotribe korg, i like it but i need a little more bass and deeeper sound
any recomendations? |
You can lower the pitch by increasing the caps: Try putting 0.01 or 0.05uf in parallel with C74,76,77. You can vary the pitch to a limited extent by varying R73 or R74 or R79. (Too much or too little will stop oscillation.) _________________ Revenge is a dish best served with a fork... to the eye |
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Biyi
Joined: Dec 06, 2010 Posts: 13
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Posted: Tue Oct 01, 2013 9:40 am Post subject:
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Hello everyone ... the stripboard is correct! My mistake was to build it, I'm wrong mistaking one of the resistors 15k by 150k (confused the color code of resistors of 1%) that will serve me to always check with the voltmeter! elmegil thanks for your interest.
Richardc64 Thanks for these tips, I now see that you can create sounds as conga, toms etc, just replacing the caps and resistors.
Any idea to create a sequencer to trigger these modules? perhaps a 4017?
Thanks world! |
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Biyi
Joined: Dec 06, 2010 Posts: 13
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Biyi
Joined: Dec 06, 2010 Posts: 13
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new voodoo
Joined: May 06, 2013 Posts: 94 Location: RVA USA
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Posted: Thu Nov 14, 2013 6:05 pm Post subject:
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-minus- wrote: | I couldn't make my mind up on the caps so I used three twelve position rotary switches... giving me... 12 X 12 X 12 variations |
Hahahah.
I did the EXACT same thing. Twice. Then put it in a box and forgot about it..until now.
Just took it out--and it still wrks!!
crazy. My mistake was leaving in the momentary switch triggers. I mean, am I ever gonna sit around pushing a button every 1/4 bar or whatever for a song or smething? Probably not.
Anyways, i think ill ebay it. If anyone here is interested, Id be glad to give it away for shipping cost. |
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