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Foot Drum Amp

My Regular Guitar amp doesn't have two inputs so I'm gonna build an amp for my soon to be finished stompbox. I need a schematic for something that is simple. Just and input and volume. But... I need it to have some good bass, mainly because I have a bass pickup for the drum (it's basically the same thing as Ted Crocker's Terraplane Floorboard). Anyone have any SIMPLE & functional schematics?

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Permalink Reply by Servaas (Der Groovemeister) on January 25, 2011 at 11:49pm

For the bass to come out good you need quiet a bit of power. Heavier amps are harder to build. Much easier to find a second hand small bass- or keyboard amp. Or make a small simple mixer for your guitar amp.

http://www.experimentalistsanonymous.com/diy/Schematics/Buffers%20S...

Good luck with it.

Permalink Reply by petey twofinger on January 26, 2011 at 9:25am

how are you going to power this , ac or batteries ?

what size enclosure would you like ?

what size speaker ?

whats your skill level ?

how much would you like to spend ?

Permalink Reply by alectron on January 26, 2011 at 2:48pm

To answer your questions (peter): AC

Box

bad

not much

However though, Der Groovemeister's schematic seems to be exactly what I looking for, too.

so , Groovemeister, I just solder that up, stick it in a box, and I'm good to go? (also, I noticed the pots don't appear to be grounded. And I don't know if thats an error or not. like I said, my skill level is bad)(aaaaand, you said good luck with it. does that mean it's not really functional? the website it appears to be from is called experimentalists anonymous which seems a little suspicious)

Permalink Reply by alectron on January 26, 2011 at 6:03pm

Also, will the bass pickup work with the guitar amp?

Permalink Reply by Servaas (Der Groovemeister) on January 27, 2011 at 7:48am

Yeah, that's the language barrier... I meant to say have success with it, i thought that was the way to express that. The schematic is right, because the pots will be grounded thru the jack sockets if you install it in a metal box, which is preferrable for shielding (otherwise ground the sleeves).

Be successful! (that's better, right?) ;-)

Permalink Reply by alectron on January 27, 2011 at 2:26pm

Won't a metal box shock me? but anyway thanks for the schematic

Permalink Reply by Servaas (Der Groovemeister) on January 28, 2011 at 1:43am

It won't shock you anymore than your guitar strings will do, because they're all grounded the same. The mixer will be just like an effects pedal.

Permalink Reply by alectron on January 29, 2011 at 8:53am

Speaking of metal boxes, I have a small wooden cao box that I think would work pretty well as a mixer. However though, it's wood and you said the jacks would be grounded to a metal casing. Can I just put some tin foil around the inside or something?

Permalink Reply by Servaas (Der Groovemeister) on January 29, 2011 at 10:13am

Line the whole inside of the box with tin foil and solder a wire to the ground tabs of the jack connectors and connect them all to be sure.

Permalink Reply by alectron on January 29, 2011 at 10:54am

all the jacks?

Permalink Reply by Servaas (Der Groovemeister) on January 29, 2011 at 12:13pm

Yes all the jack sleeves. Best is also to make a connection with the foil, via the jack sockets.

Permalink Reply by alectron on January 29, 2011 at 1:28pm

Also, I have a bass pickup and a single coil. the original plan was to have the single coil in the CBG and the bass pickup in the foot drum. but, I'm thinking if I have the bass pickup in the foot drum the pickup will only transmit really low bass signals to my guitar amp and mess up the speaker. would it be better to have the single coil in the drum instead of on the guitar?