Saturday, May 31, 2014

Other Guitar-related Electronics Projects I've Done

Eventually, maybe I'll do a post about these projects:

1) A TS-808 (Tube Screamer pedal) clone I built. Sounds pretty good. I've actually used it live in front of my Peavey Classic 30 with good results.


2) My A/B/Y footswitch with tuner bypass mode and 4 LED status indicators. Does an awesome job of adding channel-switching and channel-jumping to my Trinity TC15 amp I built from their kit (www.trinityamps.com.) It also has a "tuner/bypass" mode with an output jack to feed a pedal tuner - also works great as a mute switch. The LEDs are indicators as to what routing mode the pedal is currently in. Channel A & B LEDs are obvious. Instead of lighting both in Y mode, the Y LED lights when it is in Y mode, but the A or B light is also still lit in this mode to indicate what channel it will return to when the Y mode is deactivated. I included a 555 chip to flash the bypass mode LED - basically an idiot light to remind me why the guitar isn't making any noise. The A/B/Y lights also are still indicating their current mode while in bypass mode so I will know what mode I am in after I turn off the bypass. I can also mute, switch to another routing mode, then unmute. VERY flexible and well worth the time and expense!!! Way cheaper and more features than your typical passive ABY footswitch available today too! This was a very easy build and except maybe for the 555 IC flashing LED circuit, this could easily be a "first build" for someone new to electronics.




3) A reverb pedal using the "Belton brick." I am actually extremely pleased with how this thing sounds. I used the mediuim-decay model brick. Google "Box of Hall with dwell" for the design I based mine on. No pic of the outside yet. Nothing to see really, just three knobs, a stomp switch and an LED. No labels or anything yet. Of course I am still working on perfecting my stand-alone tube reverb unit, but this will tie me over until I get that working and in a proper cabinet. It will also be a quick-and-dirty reverb for when I don't want to lug the stand-alone out to a gig for whatever reason.



20 comments:

  1. Bravo! Looks very professional, keep it up

    My Blog: EffectsPedalsHQ

    ReplyDelete
  2. Hello Darren, great job there!
    I was looking for schamatics like yours to build my own ABY box, it's been years since I took my electronics course.
    I have an amp with a soft and heavy inputs and I was wondering if you would be willing to provide the schamatics of your project.

    Best regards!

    ReplyDelete
    Replies
    1. Yeah give me a couple weeks or so and I should have something up. Just finished a big project - a custom harp tube amp - and I need to get a build post up as there are some people waiting to see it.

      Schematic is pretty simple though. I got the basic schematic from somewhere on the web and added the 555-timer for the flashing light - that task I gave to my son to come up with the design for that. He did a great job I'd say.

      Delete
    2. Hi Darren,
      I was wondering if you had the time to check the schematics.
      I totally forgot until now =)

      Delete
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