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Topics - cooder

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Open Discussion / Pretty amazing analog delay...
« on: July 02, 2021, 04:05:09 AM »
This is a pretty wicked achievement I'd say...

Build Reports / Princeton OD and Vertigo
« on: January 17, 2021, 05:53:41 PM »
Princeton is a workalike of Analogman Prince of Tone with added chargepump to switch from 9 to 18V and I do prefer the sounds on 18V on first trial run. A bit punchier and clearer me thinks.

Vertigo is workalike of Catalinbread Pareidolia which basically a harmonic tremolo with a XR2206 chip as LFO generator. Has it's own unique sound going, somewhere between harmonic tremolo and univibe-ish.
I had built a standalone one awhile back on a pedalpcb board, loaned to a friend, as it goes, he didn't wanna let go of it, so here we are with a new one. This allowed me also to put an LFO led in, because why not.
Unique sounding modulation it is.
There's apparently a bunch of fake XR2206 on evilbay, but I have been lucky so far with the lot I got.

Build Reports / Memory Lane Delay
« on: January 16, 2021, 03:38:34 PM »
125B size squeeze of Madbean discontinued absolutely excellent sounding Dirtbaby Delay.
If you haven't had the chance to build one I would recommend to try to get your hands on one in the buy/sell/section or so, or maybe convince Brian to do another run. It's great. Dan/jjjimi84 has just made a super demo of it that shows it off really well.

I have built two on MBP boards, one with a reverb together and the other went into Pinball Wizard.

So itching for a standalone 125B size I squeezed with 4 smd chips and a few deep breaths into the Memory Lane.
Already firmly attached to my regular gigging board, yay.

Build Reports / A bit of a fuzzy start to the year...
« on: January 13, 2021, 08:56:21 PM »
... don't we all have that?

Anyway, here's more boxings:
Hudson Broadcaster, this has the functionality of the dual footswitch original but in a 125B and one footswitch and one vol control. More space on pedal board. It still has the 9 to 27 V chargepump circuitry and that's a banger, really makes a big difference and more versatility for sure.

I had a noiiiice OC 44 in the stash with 82 hfe and low leakage, and that spins my wheels...

Next up is 'Freak Fuzz' on 'Fuschia Fuzz pedalpcb board' (aka Bearfoot FX Pink Purple Fuzz) with homebrew relay bypass.
Recycled enclosure, that's why it's black inside. Great versatile fuzzyness.

And Turbo Fuzz, a Fuzz Factory brew up with option to switch transistors from GE to SI and a tone control, fat switch.
Crazy cookie it is. Even more crazy now, if that's possible.
ACY21 GE trannies, because I had them and they are just whacky enough in there.

Build Reports / Foxxy Fuzz, Plexi Gold and Crystaline Octodrive
« on: January 08, 2021, 07:29:38 PM »
First boxing shenenigans of the year, here we have a Foxx Tone Machine. I did use 2n5088 transistors with around 420 Hfe as the type of transistor apparently has not too much bearing on sound as long as it's around 400+ Hfe.
I did match the octave diodes out of a bunch of BAT46 and they sound great to me, lots of octave responsiveness and coverage over different neck positions.
It's a beastly beast.

Hail the fab four...

Plexi Gold is Keeley El Ray Dorado version. Plexi and more Plexi.

Crystaline Octodrive is a two in one banger. 'Sir' Chuck on pedalpcb forum helped me with his enlightened advice on this, cheers man. Legend.
The lower switch selects a 'Chuck version' of EQD Chrysalis, nice low to mid gain OD. Switch up and we get some Roger Mayer Octavia madness with added tone control, thanks again to Chuck's musings.
Rippin' fuzz and unruly (in a good seventy-ish way) Octave Fuzz.
The Hi/lo switch adds 9 to 18V selectable charge pump and that's great on both circuits, the octave really behaves quite differently on 18V and is probably my favourite on first impression on that higher voltage. The Chrysalis OD gets a good more punch.
Nice pedal it turned out.
In a recycled enclosure, that's the reason for black spray paint inside and the LED position being a bit off. It's all goovy though.

Build Reports / Have a cranking chugga Christmas...
« on: December 23, 2020, 07:25:52 PM »
Last build report of the boxing up frenzy before the good food and company is served.
Have a great cranking chunky chugga Christmas everyone, stay safe and well!

If I find I minute while digesting I'll crank these two fellas a bit:
Boogeyman is a Dr. Boogie with added chargepump option from 9 to 18 V and that adds a healthly kick in the nuts to it. Stand back.

Savage Drive is a workalike of J.D Rockett Animal, fully Plexi vein. Dan/JJJimi84 made me curious about this circuit and it does crank.

Build Reports / Completely outta control...
« on: December 20, 2020, 09:22:58 PM »
Look Mum no hands. Two circuits in the box and no knobbies to twist. Just the old toggle to select between lower position the classic Dan Armstrong Green Ringer octave up whacky squeaker. Fun fun fun and goes quite well me thinks because I matched the octave up diode pair. As typically on neck PU and around middle of fretboard the sweetest.
Flick the toggle up and it's the super powers shining through with some gritty wild octave fuzz courtesy of the TMR Bumble Buzz circuit. Touch sensitive and the volume control on guitar keeps things at bay when needed.

She's got super powers... both fun circuits to mess around with.

And a Mad Dog. It's a pretty much straight clone of 1981 DRV. It's got bite.

Have a happy and relaxing safe Christmas everyone!

Build Reports / Wah Gwaan, Squeeze Box and Vibrochamp
« on: December 18, 2020, 11:36:54 PM »
A friend asked me to make him a Snowy white Autowah and dash on some custom graphics he chose, I don't think I need to harp on about what music he's into. Ya man.

Squeeze Box is a tweaked version of EQD Warden compressor. Smooth.

Vibrochamp is based on VfE Old School tremolo, very clever and great sounding trem and the speed / depth envelope control is pretty sweet and nifty.

Build Reports / Marshall mania and more rock'n roll
« on: December 11, 2020, 08:12:56 PM »
Some recent boxings:
Catalinbread DLS MKIII black version with added charge pump to switch to 18V and boy does that make a difference. So worth having on this or if you don't, have a psu where you can plug in 18V as it becomes a different beast.
Beast it is anyway, a lot of glorious Marshallness in this one, I split the mode switch (on original a 4DPT hidden on inside... doh) into two 2DPDTs on dashboard which gives it extra flexibility with gain staging.
Noice. Killa sounds in this one.

Glory Ride is a JHS Morning Glory with added 9 to 18V chargepump switchable. R & R.

Sugar Hit is a Timmy original version with added 9 to 18V chargepump because why not. Also I changed the diection of bass and treble to go cw for more. And a more logical placement of controls me thinks, clipping switch on dash.

Goldilocks is a Friedman Golden Pearl, nice low to mid gain Marshall territory and tweakable with clipping (voice) and bright switch.

Raticus is ... well... a Rat. Built after MB Slow Loris schematic, great version for sure. Got an ol' school metal can LM308.

Soulbender. A nice set of AC127 from your friendly Ozzie Paul at DIY guitar pedals. It rips.

Build Reports / Ocean Blue delay and Sweet Manuka Honey.
« on: October 19, 2020, 03:37:33 PM »
A friend borrowed my Mad Prof Deep Blue delay I built, you know the story, he twisted my arm as friends do and it never made it back.
Everyones happy and a reason to build another one, this time upgraded to the mods that Bean suggests in the Etcher's paradise section and also with onboard relay bypass. So here the "Ocean Blue", back home on my board.

And some "Sweet Manuka", version of BJFE Honey Bee Overdrive built after Aion schematic also with the mods suggested to caps value.
I added a clipping switch because why not, difference is subtle in this circuit.
Manuka Honey is by the way the top shelf grade of Honey we export from NZ for top dollars (I believe NZ is the biggest honey exporter in da world) as it has healing properties, made by happy bees (hopefully) from native Manuka trees.
The graphics are another kiwi icon, the Buzzy Bee, a classic kids toy here and my grandson, who lives in the States has one too, of course. Had to be a honey coloured pcb as you'd expect.

Build Reports / On a Fuzz Bender...
« on: October 11, 2020, 04:14:13 PM »
I'm on a Fuzz Bender at the moment... more fruits of a rainy weekend boxed up.
A Keeley Fuzz Bender based on Storyboardists schematic with the difference of having split the dual gang bias pot into to single B100K pots, so I can twiddle with the bias of Germanium and feedback loop of opamp individually.
Quite like that, gives it even more versatility and I do like extra knobbies and tweaks.
It is indeed a very versatile Fuzz that covers tons of ground and then a very efficient active tone stack to bend the tone around from brutal edgy to lofi nasal and anywhere.
Transistor is an Amperex 2N2430 that I got yonks back from Smallbear, now free to roam in a pedal again.

Build Reports / Skreddy!
« on: October 09, 2020, 02:50:50 PM »
Rainy weekend here, great chance to do some boxing up of stuff that's coming together.

A trio of delicious Skreddys here, the Screwdriver, Hybrid Fuzz and Lunar Module (Called it Eclipse Fuzz).
All have a similar circuit topology but all have a unique flavour for sure and there's so many sounds in them with all the tweaking that can be done, need to spend some more time with them whacking it out. The neighbours will love it...  ;D

Hybrid Fuzz has a AC 176 Germ in there that fitted the bill and sounded nice. I was lucky to get a wee box full of GE trannies from a tube collector, most of the PNP but a few NPNs and this was one of them. Score.

Screwdriver, such a cool sounding circuit version, love it. Had one a while back which got twisted out of my hands, so good to have another one in my hands. AC187 in this and some Telefunken BC109Cs.

Lunar Module, I called mine Eclipse Fuzz. Very cool sounding fuzz too. Dark side of the moon.  8)
Q1 and Q2 are Telefunken BC108C and Q3 is BC 109B, all measured just above 400hfe.

Build Reports / Female vibes covered in sweet dripping honey.
« on: October 08, 2020, 05:06:41 PM »
Well that click bait title obviously worked... LOL.

Anyway, you might be disappoined to learn that "Female Vibes" is just another stompbox.
This time a ROG trivibe on a VipFX board and a MB Current Lower. Fitted nicely in the box with offset top mounted jacks and a great sounding fun combo.
I do like some vibe settings layered onto the swoosh of the Mistress.
And my lady loved and voted for the Paisley graphics which I dig too. So all is in peace and equilibrium.
Relay bypass switching is a home brew board based on the excellent Coda bypass system, thanks Benoit for sharing that stuff!

And a MB Honeydripper, what a cool unique sounding circuit, doesn't quite compare. Tight fit with top mounted jacks and the relay board is a finishline from 1776 fx. I 'even had to resort' to using metal frame jacks (nothing wrong with that of course) instead of the bulky Neutrik PVC ones I usually go for (those didn't quite fit).

I have a bunch of PNP Germanium trannies that could fit into a fuzz face circuit, could I build the Fuzz Duo with voltage converter to work with PNP silicon and Germanium switchable? I think I'd just need to change C3 polarity and it should work.
I can't see why not so please let me know if I'm missing something drastically here, cheers.

Build Reports / Cab Driver and Aurora Overdrive
« on: September 28, 2020, 12:14:08 AM »
Cab Driver is a simplified version of DSM OmniCabSim (no headphone out, XLR out, direct out or so) built after pedalpcb schematic.
Quite like the graphics on this one. Nice versatile sounds out of it, still have to try it for recording but first impression is great and useful tone tweaker tool.

Aurora Drive is Greer Lightspeed OD, very nice sounding and doesn't mess with the guitar sound, like it. Enclosure is recycled and has some holes filled, hence the black spray paint. Like the black though anyway.

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