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Messages - TFZ

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1
Open Discussion / Re: Any Expandoria users here?
« on: February 14, 2021, 07:18:42 PM »
The general concept of "more gain with more attack" would be easy enough to implement, details depend on the circuit you want to apply it to. For example, take a Tubescreamer and any old envelope follower that drives a LDR and an optocoupler. Put the resistive part of the coupler parallel to the 4,7k resistor of the gain stage.
When you hit the strings, the envelope follower will drive the LED of the coupler, the resistance decreases and the gain of that stage increases.

2
Open Discussion / Re: Any Expandoria users here?
« on: February 14, 2021, 11:09:35 AM »
On the Superfuzz the Expander is just a standard volume pot style gain control.

3
Open Discussion / Re: Tayda UV Printing without using Adobe Illustrator?
« on: January 20, 2021, 09:41:16 AM »
Thanks everyone for posting the results. Will try out soon too I guess.

@Willybomb: did you use Inkscape too? If so how did you deal with the three layers? Tayda is asking in their instructions for "RDG_WHITE", but I haven't been able to import their color template file.

4
Open Discussion / Re: Idea for a new phaser design.
« on: January 17, 2021, 02:54:40 PM »
Search for "opto theremin", there is plenty of designs around.

5
Open Discussion / Re: Tayda UV Printing without using Adobe Illustrator?
« on: January 05, 2021, 06:05:02 AM »
I'd say just export a PDF page from Inkscape to the exact dimensions they give in mm with their templates.


> Please create your artwork with CMYK (not RGB)

https://logosbynick.com/export-cmyk-with-inkscape/

6
Open Discussion / Re: Just Saying -- the soapbox thread
« on: January 04, 2021, 06:37:07 PM »
https://guitar.com/news/conspiracy-theory-covid-19-vaccine-boss-metal-zone/

7
Open Discussion / Re: Tayda UV Printing without using Adobe Illustrator?
« on: January 04, 2021, 06:36:18 PM »
I only skimmed the Tayda instructions, but I see nothing that you wouldn't be able to with Inkscape.

8
Build Reports / Re: Lovetone Brown Source 1:1 clone
« on: December 02, 2020, 09:23:17 AM »
Quote from: LaceSensor on December 01, 2020, 01:07:27 PM
I wouldnt mind betting that half the trash talked about the Brown Source is by people who never played one, never applied it in the intended fashion, or played a clone with the incorrect parts values.

I doubt this is the case here, the correct values have been known for quite some time, verified by yourself. At the same time, I wouldn't dismiss the possibility of the other values being used in another version of the pedal. Switching those two 22n to 220n will only make a real difference in the particular switch position.  The later 22n in conjunction with the 330k forms highpass of 22Hz, so already two octaves below the guitar. Changing that to 220n for a highpass of 2Hz doesn't do anything to the sound.
The pedal really only works as a booster, playing it into a clean amp is a fizzling annoyance. The fact that it doesn't get much praise among players is no surprise to me, it doesn't do anything special most other overdrives can't do as well, but they also have the possibility to properly distort the signal. It is the very opposite of all the other Lovetone pedals: very limited sound possibilites, very limited scope.

9
Open Discussion / Re: what are you guys listening to at the moment?
« on: November 07, 2020, 11:03:44 AM »

10
Open Discussion / Re: Suitable JFets for phases?
« on: November 01, 2020, 08:42:17 AM »
If you want to match SMD JFETs, consider buying this. The adapter can be bought without pcb too, but then you need to make one yourself, or solder wires to the pins, since they are not in the standard 0.1 format.

11
General Questions / Re: Converting existing circuit Boss FA-1 from Unipolar Power to Bipolar Power
« on: October 16, 2020, 05:30:27 AM »
Bias network can be removed, add filter capacitor for negative rail, use negative supply on opamps, reference JFET input and opamps to ground, connect JFET source to negative supply.

12
Open Discussion / Re: Surface mount soldering. I don't like it.
« on: October 12, 2020, 03:37:04 PM »
I actually quite like SMT soldering. I'm faster and it feels like a simpler process. But I have been doing it for all my electronic life.

One story from a tube old-timer comes to my mind: he told about when noval tubes were introduced. People of that time, used to octals and even larger, complained about this miniature stuff, who would want to deal with something that tiny!  ;)

13
General Questions / Re: MOSFET reverse polarity protection
« on: October 09, 2020, 01:07:06 PM »
Yes, drain and source are wrong in the schematic. Protection diode: never used one. BS250 has +-25VGS, the MOSFET I use has +-20V. So far no problems...

14
Open Discussion / Re: You ever get that one guy...
« on: October 08, 2020, 11:39:35 AM »
A friend of mine who sells repaired vintage amps regularly always makes a video of him playing and demonstrating that everything works perfectly. Maybe for the true specialists one could include where to put which cable...

15
Open Discussion / Re: Favorite pedal brand
« on: October 03, 2020, 10:40:39 AM »
To me there is a difference between pedals for playing live, and pedals for messing around at home or recording. I would never take any Lovetone on a stage, too much nuance is wasted there anyway. They are just fun toys to play with by myself or for a recording situation. That is where I want all the possibilities they can offer.

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