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 MT-2 - the "Stormchaser" mod
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Laurie
Double Platinum Member

Canada
4854 Posts

Posted - 11/01/2008 :  19:33:48  Show Profile  Visit Laurie's Homepage  Reply with Quote
My much modified MT-2 still wasn't quite right after about 6 months of tinkering. After fiddling some more, I struck gold! I can recommend this mod for the MT-2 - it sounds really, really good to my ear. I've probably been through 30 variations to find this one...

I'm calling it the "Stormchaser" mod and it includes:
- signal path cap replacement
- broadening the parametric EQ (but not too much)
- removing the oscillators to clean up the crappy stock mids
- MOSFET clippers plus a bunch of associated tone shaping to give a broad, graceful, sophisticated distortion. This is the heart of the mod.

It sounds fantastic through my Fender combo, Marshall stack, and Peavey combo.

I don't want to give this away to the entire internet but happy to share with fellow members - please PM me if interested in the details...

Acknowledgements:
- MoonWatcher for suggesting and experimenting with the MOSFETs.
- All the previous stuff published about broadening the parametric EQ and removing the oscillators.

Edited by - Laurie on 12/19/2008 15:59:42

rogeryu
Copper Member

Philippines
7 Posts

Posted - 11/02/2008 :  03:40:17  Show Profile  Reply with Quote
1uf polyester is not available and i need to source out. Can it be Tantalum?

Thanks,
Roger
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Laurie
Double Platinum Member

Canada
4854 Posts

Posted - 11/02/2008 :  03:47:50  Show Profile  Visit Laurie's Homepage  Reply with Quote
Tantalum is pretty cold sounding IMHO. I'd say if you can't find an alternative, leave the 1uF electrolytics in place.
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rogeryu
Copper Member

Philippines
7 Posts

Posted - 11/02/2008 :  04:56:13  Show Profile  Reply with Quote
quote:
Originally posted by Laurie

Tantalum is pretty cold sounding IMHO. I'd say if you can't find an alternative, leave the 1uF electrolytics in place.



Thanks Laurie, I may leave the electro for a while. Right now i'm using stock MT2 pair with DOD FX40 equalizer to get much tone i like. Meaning this mod i may not need anymore to bring alone my equalizer to lessen my heavy bag load of pedals when going to gig? would appreciate you comment on this.

Again thanks,
Roger
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Laurie
Double Platinum Member

Canada
4854 Posts

Posted - 11/02/2008 :  05:02:36  Show Profile  Visit Laurie's Homepage  Reply with Quote
Tone is so subjective it's hard to tell whether you will even like the mod. I guess just try it and see? It's a non-destructive mod (no drilling or cutting) so if it sounds bad, you can easily change it back
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rogeryu
Copper Member

Philippines
7 Posts

Posted - 11/02/2008 :  14:11:00  Show Profile  Reply with Quote
Right, gonna try your recommendation.

Roger
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Laurie
Double Platinum Member

Canada
4854 Posts

Posted - 11/04/2008 :  03:44:21  Show Profile  Visit Laurie's Homepage  Reply with Quote
UPDATE: just tried this with my PRS into the Fender and it sounds great. Maybe a shade dark, but that's the way I like it.
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cctsim
Silver Member

United Kingdom
418 Posts

Posted - 11/04/2008 :  04:17:48  Show Profile  Reply with Quote
The amplifier around IC3a seems to have a very wide frequency response.
Reducing C30 to 1uF and increasing C28 to 220p may smooth the higher frequencies and lower the bass before the clipping. Here is what I mean:



Worth trying C30 = 1uF too!

Edited by - cctsim on 11/04/2008 04:20:55
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Laurie
Double Platinum Member

Canada
4854 Posts

Posted - 11/06/2008 :  17:18:07  Show Profile  Visit Laurie's Homepage  Reply with Quote
UPDATE: tried it with the PRS and strat into the Marshall JCM last night. I know I'm emotionally attached, but I really like it...
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Dr. Bob
Moderator

Australia
6593 Posts

Posted - 12/19/2008 :  16:02:51  Show Profile  Visit Dr. Bob's Homepage  Reply with Quote
Hi Laurie

quote:

I'm calling it the "Stormchaser"



Great name choice...
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Laurie
Double Platinum Member

Canada
4854 Posts

Posted - 12/23/2008 :  19:44:05  Show Profile  Visit Laurie's Homepage  Reply with Quote
Pics of the finished board:




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Laurie
Double Platinum Member

Canada
4854 Posts

Posted - 12/30/2008 :  16:00:23  Show Profile  Visit Laurie's Homepage  Reply with Quote
FYI - I found an error in the original description of the mod posted here. If you have the PDF version that I've emailed you, it is correct. If you have a copy of the old posting here, it contains the error.
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snabero666
Copper Member

Philippines
5 Posts

Posted - 12/31/2008 :  09:03:32  Show Profile  Send snabero666 a Yahoo! Message  Reply with Quote
Thanks for the mod instruction. I will try to mod boss mt2 as soon as im not busy(Holiday!!!). I will also try to post some vids in case i made the mod. By the way, i also modded a boston(other brand GLX,GTX, Beta aivin) heavy metal (Metal zone clone) using some combination of mods given by our generous modders. I will try to post a vid soon.thanks again to all.
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DeFrag
Moderator

USA
3409 Posts

Posted - 12/31/2008 :  09:08:24  Show Profile  Visit DeFrag's Homepage  Click to see DeFrag's MSN Messenger address  Reply with Quote
Welcome to Bossarea snabero666!
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Mesjoggah
Gold Member

Netherlands
595 Posts

Posted - 12/31/2008 :  10:33:15  Show Profile  Click to see Mesjoggah's MSN Messenger address  Reply with Quote
Laurie, do you have a soundclip of your 'stormchaser�' mod?
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snabero666
Copper Member

Philippines
5 Posts

Posted - 12/31/2008 :  12:31:36  Show Profile  Send snabero666 a Yahoo! Message  Reply with Quote
Here is the sample of my modded pedal(boss clone)please forgive me for my undesirable playing,hehehe http://www.youtube.com/watch?v=fPS6jdvBR-k http://www.youtube.com/watch?v=og8N7NJZitc check my post http://www.bossarea.com/forum/topic.asp?TOPIC_ID=6104

Edited by - snabero666 on 01/02/2009 03:35:58
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