What are you working on?

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Mike
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What are you working on?

Post by Mike »

We need a topic where people can share the projects they're working on. :idea:

I'll go first. I'm working on two delay pedals, one for my wife and one for me. Both will be based on the PT-80 with power supply improvements. Hers will be mostly stock, and mine will be significantly modded. I hope to have them done in about a month or so, time permitting. I'll release the ExpressPCB layout/schematic, toner transfer, and parts list for both.

Lengthy details:

NSFW: show
I think the power supply on this thing needs work. It takes 9V and doubles it with a MAX1044 to ~17V. Then it uses a regulator (3mA) to bring it back down to 5V for the PT2399 (15mA-30mA). It uses another regulator (3mA) to bring it down to 12V, which is used for the SA571 (4.2mA), the opamp (2.8mA), and LED (~10mA in the design!), plus some other stuff. There is also a 1k/1k voltage divider to ground on the 12V, which uses 6mA. Add it all up and it is 44+mA. All the charts in the MAX1044 datasheet stop at 40mA, where the ripple is highest and voltage drop the greatest. I might be missing something, but that can't be good-- especially on a delay where noise can add up with the repeats.

I'm switching it over so the MAX1044 provides a bipolar +/-12V supply for the opamp and + 12V for the SA571. I'm pulling the voltage for the 5V regulator straight from the 9V supply, and running the LEDs straight off the unregulated 9V supply. I don't know if it will be a noticeable improvement, but it makes more sense to me.

My wife's will be pretty much stock, with some minor mods because she plays bass. It is going in an etched 1590BB, and she has chosen an hourglass theme. I'm going to use the epoxy method I have been working on to make the sand in the hourglass glow when she is using it.

Mine is far from stock. It has three footswitches, two slide switches, and five knobs. The bypass footswitch can operate in tails or true bypass mode (from the Small Time delay), selectable with a slide switch. The modulation (from the Echo Base) is enabled with a footswitch. It has a buffered effects loop that uses the third footswitch and a slide switch, and is of my own making. If it works the way I intend, the slide switch will be a "once" or "every" feature. On once, the delayed signal goes through the effects loop once only. On every, every repeat goes through the effects loop. I can't wait to try an octave up in "every" mode with a short delay time.

The layout for mine is 95% done. I am using board-mounted mini potentiometers, and I am waiting for them to arrive so I can finish the layout and build the prototype. The mini pots limit component height to 1cm, so I am using ceramic caps for anything up to 10uF, and a couple of mini electrolytics.

It is going in a 1590TRPC, which is a trapezoid. There are a lot of components, so it is a tight fit, even in a big enclosure. I'm not sure of the design yet, but the solid machined aluminum knobs (for both pedals) arrived today. They are very high quality, and look great. I haven't seen anyone use these particular knobs.

This is gonna be fun.


What are you building? :?:
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Ben79
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Re: What are you working on?

Post by Ben79 »

An NKT275 Fuzz Face with bias pot for a customer and a germanium fuzzrite in a shitty old metal box for good old me. I guess it'll be called the Fuzzrat.
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Re: What are you working on?

Post by Jero »

1. Having boards made for one or two fuzz designs.
2. Custom Devi TP/Ae/05/DN/ND
3. The Virus (fuzz of mine that can do standard'ish sounds as well as filtered cocked wah and octave up)
4. Custom Wizard Fountain clone
5. Bass preamp/overdrive
6. Od/dist/fuzz that breathes
...and a couple other non dirt things I don't wanna spill the beans on yet
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Re: What are you working on?

Post by chutneyfarmer »

Building them both from kits but in a quest to get my Neil Young on, I'm gonna be building clones of a Lovepedal Les Lius and a Durham Crazy Horse. First pedals I'll have built in a long time!
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Re: What are you working on?

Post by skullservant »

Working on finishing up a PAIA Rocktave clone with a Green Ringer for Kosta
Have Realistic Reverb I'll be modding after that
Then after that I've got a CaveDweller to build up
And also I've got a RAT + SSStampede to put together as well that parts were ordered for
Then after all of that I bought myself parts to make a Meathead
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Re: What are you working on?

Post by contraterrene »

tone benders with external bias, and a few one knob muffs and/or meatheads and/or colorsound 1 knobber.

Less knobs! ^_^
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Re: What are you working on?

Post by intothegroove »

Been so frigin busy at work (construction :barf:) but I finally made some progress with some circuits i've been dying to finish :) I got a reverb all done and figured out on the breadboard, and my germanium overdrive has been so lonely waiting to come out and play :excellent:
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Re: What are you working on?

Post by LaoWiz »

Finished to Maestro Sample & Holds

Today, finishing up a fat sandwich rehouse/Devi circuit dual pedal

Next ups fo ILFers:

- Simms watts etched amp head plate

- Pickguard etch

- Gristelizer

- Roland Double Beat / Foxx Tone Machine dual pedal

- Double Beat with a booster on the tail end

- Double Beat w/ mods maybe

- Foxx Tone Machine

For myself (someday):

- PLL

- Megalith

- testing splitter / mixer for parallel fuzzes
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Re: What are you working on?

Post by eatyourguitar »

8 step 4 row sequencer for my modular synth. my own design. now designing the PCB with 32 pots and LED's all PCB mounted.
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Re: What are you working on?

Post by lowbrow »

Trying to stuff a Tonebender MkII with charge pump in a 1590A
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Re: What are you working on?

Post by eatyourguitar »

lowbrow wrote:Trying to stuff a Tonebender MkII with charge pump in a 1590A

do your own PCB all SMD with the charge pump and tonebender on one pcb.
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Re: What are you working on?

Post by lowbrow »

I might break down and do a inclusive PCB, but I was hoping to stick with vero…which still may happen.
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Re: What are you working on?

Post by Gone Fission »

Photoshop. Goddamned uncle-fucking Photoshop. But I've got my graphics done.
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Re: What are you working on?

Post by Mike »

Got a new project to work on.

My wife's P Bass Jr had the pickguard plastic on it from 2004 until we bought it, and it left a big white oval on the pickguard when we removed it. She hates it, and my suggestion to put a different sticker over it was not well received. The options were to either get a custom guard made, or make one myself.

I just got this really nice brown tort material, shipped straight from China. I believe it is real celluloid tort over W/B/W layers. Here are some pictures with the protective plastic still on it:

Image Image

It should be enough to make a guard for her black P Bass Jr (Strat-sized P Bass), and one for my Squier CV 50s Tele. I plan on doing the Tele first, so I can work out any kinks on my guitar, not hers.

This will be fun. :)

Mike
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Re: What are you working on?

Post by Gigahearts_FX »

Lovetone flanger and wobulator
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