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07-21-2009, 02:21 AM
| | Registered User | | Join Date: Sep 2007 Location: Vancouver, British Columbia | | | Converting guitar wah to bass wah...
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I have an old Jimi Hendrix signature wah that I still have from when I played guitar, and I was wondering if there was any way to convert so that it sounds better on a bass. |
07-21-2009, 03:08 AM
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Owner/designer [sfx] | | Join Date: May 2006 Location: London - UK | | I don't think it can be done easily. Guitar wah use a variable BP ( band-pass) filter. Bass wah use LP ( low-pass) filter.
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07-21-2009, 06:15 AM
| | Registered User | | Join Date: Jun 2005 Location: Houston, TX | | There's a .01uF cap connected to the emitter or the last transistor. Increase it to about .068uF to convert to bass wah.
Here's a schematic: http://www.geocities.com/j4_student/jh1wah.gif
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Last edited by sonicvi : 07-21-2009 at 06:20 AM.
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07-21-2009, 06:21 AM
|  | Registered User | | Join Date: May 2003 Location: Leeds, UK | | | There's ways you can make it more bass-friendly, but really you need a bass-specific wah to get a bass wah sound. IMO.
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07-21-2009, 06:22 AM
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Owner/designer [sfx] | | Join Date: May 2006 Location: London - UK | | Quote:
Originally Posted by Toasted  There's ways you can make it more bass-friendly, but really you need a bass-specific wah to get a bass wah sound. IMO. | +1
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07-21-2009, 06:53 AM
| | Registered User | | Join Date: May 2003 Location: Leeds, UK | | | If you were looking for a bass wah then the 105q by Dunlop really should get more love than it does.
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07-21-2009, 07:08 AM
| | Registered User | | Join Date: Feb 2009 Location: Zürich | | Quote:
Originally Posted by sonicvi | do you know if this works for cry baby as well? I have some wah left, which I never use and thought I could give it a try.. |
07-21-2009, 07:14 AM
| | Registered User | | Join Date: Jun 2005 Location: Houston, TX | | Quote:
Originally Posted by probert do you know if this works for cry baby as well? I have some wah left, which I never use and thought I could give it a try.. | Yes, it does.
The old Dunlop Hendrix wah is just a Cry Baby with a few minor mods.
This one cap is the only difference between the original Dunlop guitar and bass Cry-Baby wahs. http://fuzzcentral.ssguitar.com/schematics/crybaby.gif http://fuzzcentral.ssguitar.com/sche...asscrybaby.gif
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07-21-2009, 02:13 PM
| | Registered User | | Join Date: Sep 2007 Location: Vancouver, British Columbia | | | Maybe I'll just sell the JH-1 and buy an actual 105q. Seems like the safest route.
hehe. |
07-21-2009, 03:29 PM
| | Registered User | | Join Date: Dec 2008 Location: Wakefield, UK | | Quote:
Originally Posted by sonicvi | Is that really the only difference? There's a £30 difference between the two over here. That is one expensive capacitor...
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07-21-2009, 10:31 PM
| | Registered User | | Join Date: Oct 2005 Location: Austin, TX | | | It is an easy mod. I have owned a 105Q, and prefer a GCB-95, FWIW. Just open the back, and look at the revision printed on the board, and do a google search for modding it. Took me about 10 minutes. Nice thing, is that you can tweak different components to really customize you sound. There are several web pages describing this.
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