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Topics - Bio77

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Open Discussion / MXR 117 Flanger - Ten Foot Pole Test
« on: November 19, 2019, 03:13:05 PM »
I'm looking for some advice from anyone who has done repairs on these.  A friend of mine asked me to take a look at his friends vintage MXR 117 (so, friend of a friend to me  :o).  I told him no, because I didn't feel comfortable working on and potential breaking something that valuable.

Today I got an email from my friend asking if I had a spare Reticon 1024A lying around(!), which has me worried they are planning to start pulling parts.

So, should I keep my original inclination and not get involved, or try to save this pedal from certain destruction?  I have a scope and could at least trace the signal out for them.  What do you guys think?

Here is the description of the problem:
"signal is not being bypassed when the pedal is off, so no sound comes out...  when it's activated, the signal comes through but none of the effect is present, so, no effect, only clean"

General Questions / Flintlock Flanger (ADA) - Auto Trimmer
« on: November 13, 2019, 11:52:21 AM »
I was wondering what the function of the Auto trimmer is conceptually?  In the Flintlock set up, you adjust it until the frequency sweeps between the lowest and highest value.  However, I've noticed that it seems to be either working or off depending on where you set it.  Is there a sweet spot on this trim?  If so, what is it doing to the signal and how can it be set to the best position?

General Questions / Return of the Rat
« on: October 10, 2019, 11:37:33 AM »
I've been working with a guitarist on a side project.  We're trying to develop his tone for the project.  His main distortion is a vintage 83 Rat.  The Rat has never been my jam, so, I'm having trouble thinking of what will work well with one.  Any Rat fans out there with suggestions?

Build Reports / Current Lover Ė Electric Mistress
« on: October 07, 2019, 11:34:52 AM »
Thought this one came out really nice.  Enclosure is a sanded and polished 125BB with no film decal.

I built a Current Lover a few years ago and learned that R10 needs to be reduced to get it to bias properly.  I, of course, forgot this and had to disassemble everything and swap it out.  Luckily, thereís loads of room in the 125BB, so, it wasnít too bad.  I put a 10k in there and the 3007 biases.

Build Reports / Black Horse Ė Duplex Drive
« on: August 14, 2019, 07:50:12 PM »
Here is a Black Horse Duplex Drive.  Itís a Cornish SS2 G2 clone.  Iím not a muff fan, so, probably not the best judge to weigh in.  I do prefer this (G2 side) to other muffs I have palyed.

Here are the 1N5401 diodes I ordered from Mouser, made me laugh when I took them out of the foil.   

General Questions / Aquaboy Modulation Vero?
« on: August 03, 2019, 04:20:37 PM »
I was looking for a modulation daughter board for the Aquaboy.  I was wondering if anyone has a link to verified vero layout?

General Questions / Envirotex Question
« on: July 19, 2019, 01:45:03 PM »
I'm planning to use Envirotex on my next project.  I usually put my graphics on an un-drilled box and then drill.  I'm wondering if I can drill through Envirotex or if it is better to put it on afterward?  Does it crack?

General Questions / Transistor equivalent/substitutes
« on: June 26, 2019, 02:25:27 PM »
I'm looking for subs for 2sc2603 and 2sc732 transistors.  I did the usual, search google/forums for data sheets and posts about transistors that people have used.  Is there a better way?  Excluding phasers, are there particular parameters that are most important for buffer and amplifier circuits?

Open Discussion / Enclosure 3D/Sculpture Ideas
« on: June 21, 2019, 12:00:44 PM »
I'm planning to build a NomNom phaser soon.  Since the pedal has just the one knob, there is a lot of open space on the enclosure to have some fun with the design. 

I have a few 10 mm LEDs and I thought about making a 3D eye coming out of the pedal.  I'm thinking about the best way to implement this, e.g.  clay or mold of some kind.  Has any one built something like this or know of a build report to reference? 

General Questions / Shielding for Aquaboy Modulation
« on: June 15, 2019, 12:03:28 AM »
I'm planning on building the Aquaboy with the added modulation board.  Since the boards are stacked on each other, I'm wondering if shielding between them would be a good idea?  Haven't built it yet, so, don't know if this is a problem. 

I have built other stacked pcb designs (e.g., Dead End FX FL99) and LFO noise is definitely present.  I've been thinking some shielding might improve these too.

I'm wondering how to implement this, any advice appreciated.

Build Reports / Black Horse - The Beast V2.0
« on: June 08, 2019, 04:52:02 PM »
Mouser finally restocked the slide switch and I was able to finish this up.  Itís a really nice sounding pedal.

Build Reports / Apetone Cascadia
« on: May 20, 2019, 12:44:05 PM »
This is the second time I have bought an expensive enclosure and had a nightmare with the no film decal.  This box is from Mammoth, it took four applications to get something usable.  On the cheap Tayda boxes, the labels work like a charm every time.   Iím guessing different powder coats are better suited for the label adhesive.

This circuit is magical.  I got it fired up and played through it for an hour and half. Thanks to pierre67 for the recent post that peaked my interest and Apetone for creating this.   

Build Reports / Retrograde 2019 - Octavia
« on: May 20, 2019, 12:11:00 PM »
Finished this one up this weekend.  No film decal on a Tayda box.  I would recommend to anyone planning to build this to place the jacks and the foot switch as low as possible.   It took me awhile to find just the right orientation of the jacks so I could get the cable tip in.  That waisted 1/4-1/2 inch on the bottom would have made everything much easier.

What settings on all the extra Choral Reef controls gets you closest to a Small Clone? 

Build Reports / Rustbucket 2019
« on: March 24, 2019, 11:20:25 AM »
Finally got this one finished.  I really love this pedal, It's a lot of fun.  The enclosure is polished metal with a no film decal.  I used right angle PCB mount pots.  I wasn't sure from the build docs that that would work.  It seemed like a trap, but it was fine. 

Tone Ventô

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