Effects Projects

mike · mike

Howdy, I'm building a wah pedal using the layout from this site but am having trouble getting it to work. No matter what way I try to wire it, I get no signal when it's switched on. I built an audio probe but i get noise at different volumes depending on where i touch so i'm confused on the aud...

Col · Col

I got some npn AC187 transistors and built both the Axis Face and the Mindbender over the holidays. I had the same problem with both in that I had to replace the 1K2 resistor with a 100K to get the voltage on the collector of Q2 to between 4 and 5V. (The voltage from the battery was measured at 9.2v). Has anyo...

Ivana · Ivana

1) What are the RIGHT voltages on the transistors pins? 2) Is it true that a Darlington pair works like a linear amplifier WITHOUT ANY DISTORTION or not? 3) What about removing (deleting) a 10 k from Q3 collector to ground?

omni · omni

phillip, thanks for the mod. i did it yesterday and it was very easy with the explanation you gave. this thing sound soo nice, mind you i only had it for about 5 minutes before i was already modding it. I was going to post saying that all my chips were working except for the Burr Brown you used. on further inv...

Col · Col

I went to my local Maplins (UK electronics chain) at Regent Road, Salford yesterday and they had a large basket of 9v 200mA wall warts for £1.49. These end in a tip positive mini jack meaning that they are perfect for old Electro Harmonics, DOD, Dunlop etc. pedals. I tried one with my big muff and old DOD p...

disto · disto

Hello my first post. The question I have is in regards to the DS1 mod, the chip that I have in my DS1 pedal is a BA726N, now in regards to what Phillip Bryant says on the mod page this mod works with the Mitsubishi M5223AL IC. So my question is are the chips the same replacement equivalen...

javacody · javacody

Gang, Is there a pedal out there that will simulate a Fuzz Face into a fully cranked Marshall, ala Jimi Hendrix

Zapped · Zapped

Hi Phillip, I made the Rangemaster clone from your schematics page and added some changes, like a input cap switch, LED and 1 meg pulldown resistors. This pedal sounds great. I just wanted to say thanks for the Info. BTW the other guitarist in my band said it was the best pedal he ever heard. LOL Now he w...

jimbob · jimbob

I built the axis wah and added a few othere changes and it rocks! I see no threads about it. Lets not be shy. Have a beer!

BryanRensema · BryanRensema

Tried my hand at the Scrambler. It's my second project after the 'Lune. It went together nicely but, when I plugged it in, had some weirdness issues. First, the texture knob only seemed to work when up halfway, otherwise, I got almost no sound. Secondly, the harder I played...

Funkyman · Funkyman

I am having some problems with the new Octavia I built from this site. I built the NPN version and it sounds good except that Im not getting much out of the two high strings. There is a huge difference in sound between some notes and others. It seems to be acting like a noise gate. The boost pot also doesnt ap...

Col · Col

I built a copy of the Foxey Lady 3 knob on stripboard and the sound is superb apart from a screech which occurs when the notes have died down. This occurs whether powered from battery or mains, using an amp or headphones and with 2 different guitars, it gets worse when nothing is plugged into the input soc...

voodoo child · voodoo child

Hi, can someone tell me how to get more "fuzz" out of my Dallas Arbiter Ge Fuzz Face??? Which resistors do I have to change??? -Philipp

captntasty · captntasty

Hi all, I've been building effects for a couple years by using existing artwork but would like to try building circuits from scratch by using perfboard. I figure this is a great way to really become familiar with circuits. I bought a few small pad-per-hole boards @ RadioSuck(did...

Col · Col

I noticed in the Tonebender info you recommend removing the resistor between the tone and vol pots to get a bit more volume. I'd say that this is a definite as I did this almost immediately after getting mine working. I tried it with 'Red Spot' germaniums first but it had very little volume and loa...

jimbob · jimbob

I started building the Axis wah and veered off a little as i leaned about different mods and ideas. I added the output buffer nd think i did that correct, and im adding a dcjack for power, and soon a cap selector switch. One problem i have noticed it the amount of noise/distortion like a "shhhhh" noise whe...

Col · Col

I have assembled all the parts to build a tube driver but I cannot find any info on how the pins are numbered on the socket for the tube. Can anyone suggest any links to suggest which way round the numbers go around it and where the origin is.

brain · brain

Hello I am new to this, what exactly do I do with the IC Socket AE7313-ND thanks brain

Mojah · Mojah

I was looking at trying to build a Hornby Skewes treble booster instead of plunking down $250 for a BSM HS but I'm a little but puzzled. On the BSM site they talk about how they choose their germanium transistors but the schematic on your site and over at GEO shows an FET... Was there another...

andregarcia57 · andregarcia57

http://members.fortunecity.com/uzzfay/superfuzz1/superfuzz1.html

Topic		Started By	Replies	Views	Last Post
	Troubleshooting a wah problem (Preview) Howdy, I'm building a wah pedal using the layout from this site but am having trouble getting it to work. No matter what way I try to wire it, I get no signal when it's switched on. I built an audio probe but i get noise at different volumes depending on where i touch so i'm confused on the aud...	mike	1	651	Jan 19 10:19 PM, 2005 by fuzzcentral
	Axis Face/Mindbender (Preview) I got some npn AC187 transistors and built both the Axis Face and the Mindbender over the holidays. I had the same problem with both in that I had to replace the 1K2 resistor with a 100K to get the voltage on the collector of Q2 to between 4 and 5V. (The voltage from the battery was measured at 9.2v). Has anyo...	Col	1	1839	Jan 14 2:24 PM, 2005 by fuzzcentral
	3-knob Tonebender question (Preview) 1) What are the RIGHT voltages on the transistors pins? 2) Is it true that a Darlington pair works like a linear amplifier WITHOUT ANY DISTORTION or not? 3) What about removing (deleting) a 10 k from Q3 collector to ground?	Ivana	2	1358	Jan 13 3:50 PM, 2005 by Ivana
	sd-1 mod (Preview) phillip, thanks for the mod. i did it yesterday and it was very easy with the explanation you gave. this thing sound soo nice, mind you i only had it for about 5 minutes before i was already modding it. I was going to post saying that all my chips were working except for the Burr Brown you used. on further inv...	omni	0	526	Jan 6 8:31 PM, 2005 by omni
	Cheap 9v wall warts (Preview) I went to my local Maplins (UK electronics chain) at Regent Road, Salford yesterday and they had a large basket of 9v 200mA wall warts for £1.49. These end in a tip positive mini jack meaning that they are perfect for old Electro Harmonics, DOD, Dunlop etc. pedals. I tried one with my big muff and old DOD p...	Col	0	450	Jan 6 2:39 AM, 2005 by Col
	DS1 Distortion mod (Preview) Hello my first post. The question I have is in regards to the DS1 mod, the chip that I have in my DS1 pedal is a BA726N, now in regards to what Phillip Bryant says on the mod page this mod works with the Mitsubishi M5223AL IC. So my question is are the chips the same replacement equivalen...	disto	2	815	Jan 5 4:15 PM, 2005 by disto
	Best Fuzz? (Preview) Gang, Is there a pedal out there that will simulate a Fuzz Face into a fully cranked Marshall, ala Jimi Hendrix	javacody	5	625	Dec 31 6:11 AM, 2004 by tfc
	Dallas randemaster clone (Preview) Hi Phillip, I made the Rangemaster clone from your schematics page and added some changes, like a input cap switch, LED and 1 meg pulldown resistors. This pedal sounds great. I just wanted to say thanks for the Info. BTW the other guitarist in my band said it was the best pedal he ever heard. LOL Now he w...	Zapped	4	628	Dec 25 12:24 PM, 2004 by Funkyman
	Any wah builders here (Preview) I built the axis wah and added a few othere changes and it rocks! I see no threads about it. Lets not be shy. Have a beer!	jimbob	0	526	Dec 24 12:24 AM, 2004 by jimbob
	Ampeg Scrambler weirdness (Preview) Tried my hand at the Scrambler. It's my second project after the 'Lune. It went together nicely but, when I plugged it in, had some weirdness issues. First, the texture knob only seemed to work when up halfway, otherwise, I got almost no sound. Secondly, the harder I played...	BryanRensema	6	1602	Dec 19 9:23 PM, 2004 by fuzzcentral
	Tycobrahe Octavia (Preview) I am having some problems with the new Octavia I built from this site. I built the NPN version and it sounds good except that Im not getting much out of the two high strings. There is a huge difference in sound between some notes and others. It seems to be acting like a noise gate. The boost pot also doesnt ap...	Funkyman	2	812	Dec 17 4:09 PM, 2004 by tfc
	Foxey Lady (Preview) I built a copy of the Foxey Lady 3 knob on stripboard and the sound is superb apart from a screech which occurs when the notes have died down. This occurs whether powered from battery or mains, using an amp or headphones and with 2 different guitars, it gets worse when nothing is plugged into the input soc...	Col	2	506	Dec 16 2:51 AM, 2004 by Col
	Ge Fuzz Face (Preview) Hi, can someone tell me how to get more "fuzz" out of my Dallas Arbiter Ge Fuzz Face??? Which resistors do I have to change??? -Philipp	voodoo child	2	581	Dec 15 9:21 AM, 2004 by brianwenz
	Beginning perfboard recommendations (Preview) Hi all, I've been building effects for a couple years by using existing artwork but would like to try building circuits from scratch by using perfboard. I figure this is a great way to really become familiar with circuits. I bought a few small pad-per-hole boards @ RadioSuck(did...	captntasty	3	724	Dec 10 8:34 AM, 2004 by captntasty
	Tone Benders (Preview) I noticed in the Tonebender info you recommend removing the resistor between the tone and vol pots to get a bit more volume. I'd say that this is a definite as I did this almost immediately after getting mine working. I tried it with 'Red Spot' germaniums first but it had very little volume and loa...	Col	2	1013	Dec 10 3:01 AM, 2004 by Col
	axis wah build (Preview) I started building the Axis wah and veered off a little as i leaned about different mods and ideas. I added the output buffer nd think i did that correct, and im adding a dcjack for power, and soon a cap selector switch. One problem i have noticed it the amount of noise/distortion like a "shhhhh" noise whe...	jimbob	0	443	Dec 8 3:06 PM, 2004 by jimbob
	Tube pinout (Preview) I have assembled all the parts to build a tube driver but I cannot find any info on how the pins are numbered on the socket for the tube. Can anyone suggest any links to suggest which way round the numbers go around it and where the origin is.	Col	2	411	Dec 7 3:22 AM, 2004 by Col
	SD-1 Mod question (Preview) Hello I am new to this, what exactly do I do with the IC Socket AE7313-ND thanks brain	brain	2	423	Dec 4 4:06 PM, 2004 by brain
	Hornby Skewes & BSM Treble booster (Preview) I was looking at trying to build a Hornby Skewes treble booster instead of plunking down $250 for a BSM HS but I'm a little but puzzled. On the BSM site they talk about how they choose their germanium transistors but the schematic on your site and over at GEO shows an FET... Was there another...	Mojah	4	2134	Dec 3 8:14 PM, 2004 by brianwenz
	Univox Super Fuzz (Preview) http://members.fortunecity.com/uzzfay/superfuzz1/superfuzz1.html	andregarcia57	1	705	Nov 25 3:08 AM, 2004 by Col
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