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Topics - Willybomb

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Gudday all, here's Brotherhood of Steel. It's BuGG's Brown Betty pcb with a klon buffer to kill the squeal, and dual gain channels using 100k and 1meg pots.

"Hey Willy, what's with the bird's nest under the pcb?" I hear you ask. Well, that's what happens when you add another gain pot and have to shift all the eq controls one to the left and don't bother shortening the wires.

Interesting effect, the amount (and tonality) of distortion is really dependent on the eq controls (as per the thermionic distortion too). Didn't like running this one with the trimmer flat out, unlike the thermionic distortion, as it got a bit blatty going that hard. There was also little variation within the gain pot travel. It took a bit of time to dial it in, but I think I'm happy now.

Build Reports / Superjudge + (Superjudge, buffer, boost)
« on: July 17, 2018, 07:45:22 AM »
Gudday all, here's Superjudge +.

It features an LPB1 on a tayda pcb, running into a klon buffer, into JuanSolo's great little circuit. I've always found the Superjudge to really shine with a buffer in front, and it takes a boost really well too, so I decided to put all that in one box.

Even running the boost flat out, it never gets over the top and is still really useable. Not massive amounts of metal distortion usable - but just a great rock drive. If you haven't tried one, you really should.

This build fought me the whole way, or rather, I did a lot of stupid things in putting it together, like jacks at the wrong end, pots not in enough from the walls meaning I had to rip off the dust covers, and just a general tight fit. Then I dropped a 3pdt onto it, denting the face clearcoat... anyway,  it came together in the end.

Open Discussion / Top mounted jacks.... one day, I'll get it right.
« on: July 12, 2018, 07:12:35 AM »
Top mounted jacks are something I struggle with normally.  Too close to the corners, not far enough away from the pots, all the usual things.

This time though, I drilled out the face of the pedal, and flipped it up to drill the jacks, and then realised I'd drilled the wrong end after doing both holes.

I'd like to say that I hadn't put the label on yet, but that isn't an excuse as the template had the graphic on it too.  FB has suggested LEDs in the holes, but I'm leaning towards plugs if I can find them...

Build Reports / Tiger Drive - Crunchbox + Mimik
« on: June 30, 2018, 04:55:40 AM »
After 3 different delays that didn't work quite right (2x Cave dweller (pcb and vero), 1x Rebote), I thought I struck out with the Mimik pcb too, until I found I hadn't soldered the IC socket...

Crunchbox and Mimik as a gift for a friend's son who is really getting into his guitar.  He's a mad ALF Richmond fan, so hence the appropriation of their artwork for this one...  Hard to go wrong with either effect, very meat and potatoes.

Open Discussion / Riddle me this Madbeaners... LEDs question.
« on: June 01, 2018, 08:42:22 AM »
Riddle me this Madbeaners:

In my Reactor build, I have a RGB LED (LED 1) indicating Crunch (Blue), OD1 (Green), or OD2 (Red).  This is achieved by using two switches.  I have another LED RGB LED (LED 2) indicating OD1/OD2.  This has the blue lead clipped as I don't need it in this case.

LED 1:
On the Crunch/OD switch (switch 1, 4pdt), the connections are: lug 10 (LED 1, Blue cathode), 11 (ground), 12 (Switch 2, lug 2)
On the OD1/OD2 switch (switch 2, 3pdt), the connections are: Lug 1(LED 1, Green cathode), 2 (Switch 1, lug 9), and 3 (LED 1 Red cathode).

LED 2: 
Green cathode (3pdt, lug 1)
Red cathode (3pdt, lug 3).

The upshot of this arrangement is that LED 2 only comes on when OD is engaged, and will be Green or Red depending on what OD channel has been selected.  What bugs me is that I can't tell what OD channel it will switch into as LED 2 is off while I'm in Crunch.

SO, I thought the obvious answer would be to replace the OD1/2 3pdt with a 4pdt and give LED 2 it's own set of poles.  I replaced the 3pdt, set up everything as it was, but putting LED 2 on lugs 4 (green cathode), 5 (ground), 6 (red cathode).

It's electrically separate from LED 1 right?  Apparently not.  Now, if I'm in OD2 (red, both LEDs, switch 1 set to OD, switch 2 set for OD2) and switch to crunch on switch 1, the LED will go from red, to dead.  If I'm in OD1 (green, switch 1 OD, switch 2 OD1) and go to crunch, the LED will go blue as it's supposed to.

I thought that I'd mucked something up, but when I removed the ground for LED 2, LED 1 works properly.  Hook the ground back up and we're back to where we were.

I hooked the ground straight to the power jack ground, same result.

I moved the LED 2 cathodes to another pole over, leaving one pole between LED1 and 2.  No difference.

I'm not sure where to go with this, as LED 2 works as I want (on, indicating OD 1 or 2), but it mucks up LED1.  If I run it as it was, then I don't have than indication until I switch to OD, which renders LED 2 irrelevant.

Any ideas anyone?  I will put up some diagrams later if that will help.  As I understand it, it should work - it's just switches...


Tech Help - Projects Page / Low volume Cavedweller...
« on: May 27, 2018, 05:17:26 AM »
Gudday all.

I've finally boxed up a Cavedweller (pcb) in a multi with a Crunchbox (vero).  I thought the Cavedweller was working fine but when I boxed it all up I found that the volume is nowhere near unity.  Any ideas as to what I should be looking for?  I searched the forum and found a 47n vs 4.7n fix on C3, C3 on this version is 10n, and all my other values seem correct.


Build Reports / Genuine Fake (Razorback rehouse)
« on: May 19, 2018, 10:31:44 PM »
Gudday all.  Here's Genuine Fake, a pedal I've made as a gift for a friend who doesn't know she's getting it yet.  It's a rehouse of Razorback ( as I used that box for Red5.

She's a Malmsteen fan and I was going to put a YJM308 in this, but decided it sucked so the jfet drive went in instead.  The name comes from me finding a Malmsteen strat in the local Crime Converters, ringing her, her getting excited and running the serial numbers while I was trying to get the thing to intonate and tune up in the shop (it wouldn't).  Turned out it was a fake, so I told the bloke in the shop and he wasn't very impressed.  Needless to say, we didn't buy the guitar.

Tayda powercoat with datapol sticker and a couple of clearcoats on top.  There was a few issues with applying the sticker, so this isn't my best work.  No gutshot, it's even rougher than Lightspeed or anything else I've put up in the last few days.


Gudday all, here's Reactor, which is Baja's JVM with marshall tonestacks added to the crunch and OD1/2 channels.

As the eq sections have an unfettered LPB1 after the controls to make up for any loss, I really need to run both on, or both off as the volume discrepancy is crazy.  Sounds great, *so* much wiring.  Think I might build something a little simpler one of these days.

Not sold on 4 footswitches in a DD, but putting the Mode on a toggle wouldn't have done this justice.  Need to replace the OD1/2 with a 4pdt so I can get the OD LED between the OD1/2 gain controls working when the pedal is switched to Crunch (currently it turns off when Crunch is engaged, but I want it on so it indicates which OD channel is engaged before I switch to OD from Crunch).

Really liking this with Lart's simple cabsim.  Knobs are on order!

Gudday all.  Here's Beastmode, which switches between Zulu99's Mudflap and Juansolo's Superjudge.  I put a 1knob gate post drive, and put the boost (a modified tubescreamer) pre drive.  For poops and giggles I put a sound to light vero powering a couple of waterclear yellow LEDs behind Wolfie's eyes.  The gate will probably get shifted to just the Mudflap at some stage.

I like the Superjudge a lot, and will probably put that in a box with a boost on it's own someday.

Awaiting knobs.  Not a bad drilling effort, but it's not great.  I also messed up the orientation of the MF's pot labels in that it should be mirrored to how it is.  On the upside the gate and mid pots are correctly labeled.

Build Reports / Lightspeed - Klon and Afterlife in a 125b
« on: May 16, 2018, 06:59:19 AM »
Gudday all.  Here's Lightspeed, a Minitaur Klon and Afterlife compressor in a 125b.  Had to do top mounted jacks as I couldn't fit it any other way.  LEDs are hot glued in place, Afterlife is stuck to the rear of the Minitaur with doublesided tape.  The enclosure is a Tayda powercoat with datapol sticker and a coat of clear.  Not my best work or neatest guts, but it works...

We've just moved house last monday, and while there's still a bit to be done, I picked up a cheap drillpress and set it up in my new mancave today (It's pretty much exactly that.  It's a cave with shelves, a bench, and some inadequate lighting).

I haven't drilled anything or finished a project since last year, so I'm looking forward to getting some stuff done in between changing nappies and working.

It's nothing special, but it seems to go through enclosures quite nicely with my old step bit.  I haven't had to use any lube on it yet, but I'm sure that will change.  It's not as hardcore as my grandfather's old thing, but this one lives with me!

General Questions / Hypothetical... to tap tempo or not tap tempo???
« on: April 11, 2018, 07:41:52 AM »
So, I have another stupid pedal idea.  If you had the choice, would you have a delay pedal that had multiple types of delays, or one single style of delay that had tap tempo? 

The correct answer of course is "both", but I want to build 3xFV-1 based pedal and I'm told tap tempo isn't very well implemented in those.  I guess I could use a pt based delay in the build, but I already have 3-4 of those kicking around (2 with TT in multis).

Convince me one way or the other guys!

Open Discussion / 2meg resistors...
« on: March 23, 2018, 06:12:40 PM »
I can't seem to find 2meg resistors, but I have plenty of 1.8meg and 2.2meg lying around...  Are either of those acceptable?  I can always join a 1.8 with a 200k I guess, but it's not as neat...

Open Discussion / Adding a gate...
« on: January 09, 2018, 08:19:25 PM »
Gudday all,

I'm building a Triple wreck, but I want to include a gate.  I've built the 1knob gate that I've used before, but should I put it after the master volume, or, straight off the output of the circuit before the volume pot?  I imagine the latter would be more set and forget.

Open Discussion / Trying to like Arrow...
« on: December 29, 2017, 05:17:29 PM »

Man, I'm trying to find relatively simple things on the Arrow site, but I can't even find 16mm pots. When I do find what I want (I needed some ICs for an Arcadiator), it has a "quote" button next to it.

I'm guessing that they're probably not aiming at the hobbyist wanting quantities of 2-3, that's fair enough.  And what's this "Per unit" business?  How many is in a unit?  Maybe I'm just not patient enough.

At least with Tayda I can get a build something resembling the ideal finished product, regardless of tolerances, and I can generally get the delivery covered by the discount codes.

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