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Messages - Addy Bart

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1
Open Discussion / Re: Ikea Plate Reverb
« on: November 22, 2018, 11:59:52 AM »
Very cool.

2
Build Reports / Re: New Meazzi Tape Echo Simulator
« on: July 03, 2018, 11:37:02 AM »
Looks great.
Any demo links?

3
Build Reports / Re: Some recent builds
« on: June 30, 2018, 03:00:44 AM »
Nice! Do you have any demo links for the square wave generator?

4
Build Reports / Re: DIY Reverberation Machine (DBA)
« on: June 28, 2018, 03:41:05 PM »
and no problems with noise addy bart when using the BTDR-3?

I havenít had the problems you describe. But I used a BTDR-3 that I ordered a long time ago from Small Bear.

Iím not sure what to suggest... maybe contact the vendor to see if this is a common problem with the new bricks. Hope you manage to fix it... those things arenít cheap!

5
Build Reports / Re: DIY Reverberation Machine (DBA)
« on: June 27, 2018, 05:32:31 AM »
Nice build!  The demo sounds great.

Cheers! I made another one a while back. I took out the 470pF cap in the gain part of the circuit, brightening the fuzz.

6
Build Reports / Re: SSC
« on: May 08, 2018, 10:08:17 AM »
Looks slick and good knob choices!

7
Open Discussion / Re: Boring Q for iPhone users re attachments
« on: March 22, 2018, 05:58:34 PM »
That's very helpful, thanks! Never knew you could rename things inside the Files app. Maybe I'll dig it out from the folder where all the useless Apple crap festers.  :P

8
Open Discussion / Re: Boring Q for iPhone users re attachments
« on: March 22, 2018, 10:56:46 AM »
Ah, I see. If itís not possible for Brian to fix it to allow jpegs, Iíll give that a try. Thanks!

9
Open Discussion / Boring Q for iPhone users re attachments
« on: March 22, 2018, 10:12:51 AM »
Wondering what one does to upload attachments around here? The forum doesnít allow jpeg files (although frustratingly, jpgs are ok).

10
Open Discussion / Re: deluxe pitch pirate with synth
« on: March 18, 2018, 04:10:10 AM »
True for the Clarinot, not the Pitch Pirate, which has an lfo

I'd still advise you to put the limiter led I was talking about (diffused green led from pin7 of the chip to ground) to avoid distortion.

Addy Bart > I think with the limiter led, if you still hear distortion, it must come from the opamp, not the chip.

Huh, looking at the layouts it looks like the LDR is still on pin 6 of the pt2399, same as in the clari-not.

Thatís correct. Itís just the LED pulses on the pitch pirate, rather than respond to your playing dynamics.

11
Open Discussion / Re: deluxe pitch pirate with synth
« on: March 18, 2018, 04:02:51 AM »
Ah yes, could be clipping the 386, Boba7, thatís quite likely now you mention it.


12
Open Discussion / Re: deluxe pitch pirate with synth
« on: March 17, 2018, 08:11:07 AM »
This LED is not meant to be mounted outside the pedal. It should face the LDR. Itís just like using a vactrol, only cheaper.

I thought you might already have some GL5506 light dependent resistors if you had dabbled with Arduino. I think Doug Tuttle uses the kind from RadioShack if you want to match the original.



13
Open Discussion / Re: deluxe pitch pirate with synth
« on: March 17, 2018, 07:11:40 AM »
The LDR creates the modulation. I like a GL5506 paired with a white led but other LDRs will work too.

14
Open Discussion / Re: deluxe pitch pirate with synth
« on: March 17, 2018, 05:35:40 AM »
If you go with the pcb option, use a pot in place of the trimmer. It saves opening up the pedal to adjust input levels. The LED trick Boba7 mentions is perfect for guitar but wonít prevent distortion with a synth. (The distortion is nice though sometimes, hence sticking a pot in there).

If you use a 2k for the wave pot you can get a sort of PWM thing happening. Perfect with keyboards.

15
Open Discussion / Re: deluxe pitch pirate with synth
« on: March 15, 2018, 05:46:27 PM »
I use the deluxe all the time with keyboard and organ. Great effect.

I suggest sticking a 100k pot (as a variable resistor) between the input and circuit. Line level signals will distort the PT2399, and that can be cool sometimes, but for pure tones (sine waves etc) it helps to attenuate the input level. Add a booster after as well. It really makes the pedal more versatile, and helps with the volume drop when the blend is at noon.

The Lofi Junky covers similar ground but as far as I know, there isnít a DIY option.

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