Q about wah-wah pedal

jazzius II · 16th January 2004, 09:41 PM

can anyone tell me?:.....when you press down on a wah-wah pedal (like a Cry Baby), does the filter open or close?

preben · 16th January 2004, 10:51 PM

I don't know if this is a trick question but I'll jump in anyway

When you press down the filter opens - and don't forget to open your mouth in sync with pressing - we guitar players have an unwritten code of conduct about this: it must ALWAYS be done...

Randall · 16th January 2004, 11:43 PM

most importantly with the crybaby I've learned is to keep a 1/2 dead battery in it, or hardwire it to run on about 9 volts

jazzius II · 16th January 2004, 11:48 PM

cheers....i'm trying to use my Andromeda as a rather large wah-wah pedal......i've hooked up a CV pedal to it (it has external inputs to its filters)......

.....anyone know what kind of filters wah-wah pedals use.......bandpass?.....frequencies?...

(will try the mouth open in sync technique ASAP)

Mario-C. · 17th January 2004, 12:36 AM

the wah wah sounds more like a peaking band pass filter than anything else so i guess a resonant band pass with your andromeda will do the trick, the sweep might be too broad to accurately emulate a wah wah, maybe you might need to limit the range of the sweep...

Drumsound · 17th January 2004, 08:00 AM

Quote:

Originally posted by jazzius II

.....anyone know what kind of filters wah-wah pedals use......

Cheap and crappy sounding.

Quote:

(will try the mouth open in sync technique ASAP)

A Must!

will_ie_2000 · 17th January 2004, 07:18 PM

A wah pedal uses a band pass filter. as far as i know the q setting remains constant - im doing a bit of dsp etc at the moment and looked a small bit already into things like this - like mario said limit the range of the sweep, tweek a bit of resonance and you shouldn,t be far off.

"can anyone tell me?:.....when you press down on a wah-wah pedal (like a Cry Baby), does the filter open or close?"

Far as i can remember... like i said. down is swept forward not wider.. anyone knows otherwise fill me in!!

flexoffset · 17th January 2004, 07:36 PM

Definitely.
Mashing it all the way down with your foot can yield frequencies that will make a dog's head explode.

... oh to be back to the nights on stage in college covering Voodoo Chile (slight return).

cdog · 18th January 2004, 12:49 AM

jazz,

How do you like your Andromeda? I'm considering

cdog

Rossman · 18th January 2004, 01:51 AM

So If Jazzious II programs his Andromeda to sweep, does he still have to move his mouth?

Just use a parametric EQ and sweep between arround 250hz-2.5khz or so.

jazzius II · 18th January 2004, 11:39 AM

Quote:

Originally posted by cdog
jazz,

How do you like your Andromeda? I'm considering

cdog

I like it a lot!.......the sound is super-fat.......it's got some mad features........it's a bit buggy (software)........it's deep!......it takes a long time to really know it inside out........

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16th January 2004, 09:41 PM	#1
jazzius II Lives for gear Join Date: Sep 2003 Posts: 1,005	Q about wah-wah pedal can anyone tell me?:.....when you press down on a wah-wah pedal (like a Cry Baby), does the filter open or close?

17th January 2004, 07:18 PM	#7
will_ie_2000 Gear Head Join Date: Sep 2003 Location: ireland Posts: 64	wah wah A wah pedal uses a band pass filter. as far as i know the q setting remains constant - im doing a bit of dsp etc at the moment and looked a small bit already into things like this - like mario said limit the range of the sweep, tweek a bit of resonance and you shouldn,t be far off. "can anyone tell me?:.....when you press down on a wah-wah pedal (like a Cry Baby), does the filter open or close?" Far as i can remember... like i said. down is swept forward not wider.. anyone knows otherwise fill me in!!

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16th January 2004, 10:51 PM	#2
preben Lives for gear Join Date: Feb 2003 Location: London Posts: 802	I don't know if this is a trick question but I'll jump in anyway When you press down the filter opens - and don't forget to open your mouth in sync with pressing - we guitar players have an unwritten code of conduct about this: it must ALWAYS be done...

16th January 2004, 11:43 PM	#3
Randall Lives for gear Join Date: Jul 2003 Location: Muscle Shoals Posts: 4,074	most importantly with the crybaby I've learned is to keep a 1/2 dead battery in it, or hardwire it to run on about 9 volts

16th January 2004, 11:48 PM	#4
jazzius II Lives for gear Join Date: Sep 2003 Posts: 1,005	cheers....i'm trying to use my Andromeda as a rather large wah-wah pedal......i've hooked up a CV pedal to it (it has external inputs to its filters)...... .....anyone know what kind of filters wah-wah pedals use.......bandpass?.....frequencies?... (will try the mouth open in sync technique ASAP)

17th January 2004, 12:36 AM	#5
Mario-C. Lives for gear Join Date: Apr 2003 Location: Mexico City Posts: 578	the wah wah sounds more like a peaking band pass filter than anything else so i guess a resonant band pass with your andromeda will do the trick, the sweep might be too broad to accurately emulate a wah wah, maybe you might need to limit the range of the sweep...

17th January 2004, 07:36 PM	#8
flexoffset Lives for gear Join Date: Jul 2003 Location: Muscle Shoals, Alabama Posts: 530	Definitely. Mashing it all the way down with your foot can yield frequencies that will make a dog's head explode. ... oh to be back to the nights on stage in college covering Voodoo Chile (slight return).

18th January 2004, 12:49 AM	#9
cdog Lives for gear Join Date: Dec 2003 Location: Brooklyn Posts: 2,219	jazz, How do you like your Andromeda? I'm considering cdog

18th January 2004, 01:51 AM	#10
Rossman Gear Head Join Date: Jul 2003 Location: St. Louis Posts: 35	So If Jazzious II programs his Andromeda to sweep, does he still have to move his mouth? Just use a parametric EQ and sweep between arround 250hz-2.5khz or so.