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Boss SD-1 Mod

 
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More Cowbell
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Joined: 20 Apr 2006
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Location: Jefferson, GA

PostPosted: Wed Nov 19, 2008 12:15 pm    Post subject: Boss SD-1 Mod Reply with quote


Link


I finished this finally after waiting a month for a 2134 opamp from small bear...its a "non-mojo" clay jones overdrive mod with the indyguitarist.com buffered bypass fix and orange led. The mod was as follows: Remove R5-R9, C2-C6, D4-D6, put a jumper wire in place of D5, replace R5=10k, R6=1k,R7=1k,R8=220ohm,R9=1k. C2=100n,C3=220n,C4=220n w/10k resistor soldered in parallel,C5=220n, leave C6 empty.
replace D4 and D6 with red 5mm leds and solder a 47p in parallel with D4. I stacked a opa2134 ontop of the stock opamp...or you can remove the opamp, solder in a socket and swap out opamps till your happy.

The tone made my coronado feedback horrible, and made the camera shut off too. we don't need to hear that shit so I just left it out. Laughing
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Mike
I like EL34s


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Location: Edinburgh, Scotland

PostPosted: Wed Nov 19, 2008 12:38 pm    Post subject: Reply with quote

Nicely done. Sounds great, much better than I remember a stock SD-1 sounding.
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Joined: 20 Apr 2006
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Location: Jefferson, GA

PostPosted: Wed Nov 19, 2008 12:42 pm    Post subject: Reply with quote

Mike wrote:
Nicely done. Sounds great, much better than I remember a stock SD-1 sounding.

Thanks!
Stock, this SD-1 when the drive was all the way up, sounded like it does now set at 7am.

I played around through my friends Les Paul and got some of the most 80's hair metal sounds by messing with the tone control...its nasty. Fran would love it.
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Fibus
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Joined: 20 May 2008
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Location: Limerick, Ireland

PostPosted: Wed Nov 19, 2008 2:02 pm    Post subject: Reply with quote

Mike wrote:
Nicely done. Sounds great, much better than I remember a stock SD-1 sounding.


Mike...like...tubescreamer.....HEAD EXPLODE!
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Last edited by Fibus on Wed Nov 19, 2008 2:06 pm; edited 2 times in total
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Joined: 20 Apr 2006
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Location: Jefferson, GA

PostPosted: Wed Nov 19, 2008 2:05 pm    Post subject: Reply with quote

Fibus wrote:
Mike wrote:
Nicely done. Sounds great, much better than I remember a stock SD-1 sounding.


Mike...like...tubescreamer.....HEAD EXPLODE!


This is not a ts8080 mod. It sounds nothing like a turdscreamer. its crunchier/thicker.
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Fibus
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Joined: 20 May 2008
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Location: Limerick, Ireland

PostPosted: Wed Nov 19, 2008 2:06 pm    Post subject: Reply with quote

More Cowbell wrote:
Fibus wrote:
Mike wrote:
Nicely done. Sounds great, much better than I remember a stock SD-1 sounding.


Mike...like...tubescreamer.....HEAD EXPLODE!


This is not a ts8080 mod. It sounds nothing like a turdscreamer. its crunchier/thicker.


I know, i was only joking cause the SD-1 is originally based on the tubescreamer

Sounds great though nicer than my stock sd-1 which as you rightly point out is a bit weak on high gain
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Thom
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Location: Exeter, UK

PostPosted: Wed Nov 19, 2008 2:11 pm    Post subject: Reply with quote

Good work Cowbell - sounds good, pretty thick and crunchy.
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Progrockabuse
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Joined: 14 Jan 2008
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PostPosted: Wed Nov 19, 2008 11:47 pm    Post subject: Reply with quote

i want to mod my sd-1 to sound like that. fancy doing a modding service cowbell? lol
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kim
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Joined: 30 May 2006
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PostPosted: Wed Nov 19, 2008 11:56 pm    Post subject: Reply with quote

coronado feedback makes me melt, i love coronado

also, is that hotlines ? love hotlines, it's like klotz but cheaper and good. +1
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PostPosted: Wed Nov 19, 2008 11:58 pm    Post subject: Reply with quote

i had a klotz cable, though it picked up loads of handling noise. now i use hotlines lol
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PostPosted: Thu Nov 20, 2008 12:05 am    Post subject: Reply with quote

yeah, when i was still playing bass i loved the klotz funkmaster cables, reliable and made a difference in sound like taking a away the pillow between bass and your amp, i still use klotz as speaker cables but for guitar i just don't give a fuck, i want cheap and reliable cables , hotliiines !

also, this demo sounds NOTHING like a turdscreamer, any kind, personally i'm not very fond of it but i kept listening for the coronado feedbacks because i've a crush on that coronado.
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PostPosted: Thu Nov 20, 2008 12:06 am    Post subject: Reply with quote

that was the one i had, funkmeister, with victor wooten or some other uber bassman on the packet?
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PostPosted: Thu Nov 20, 2008 12:08 am    Post subject: Reply with quote

yeah, god i hate wooten, i think it was a tm stevens sig
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PostPosted: Thu Nov 20, 2008 12:17 am    Post subject: Reply with quote

i think i'm gonna have to join heavium's coronado fan club. cowie, i will steal that guitar if i ever come to america lol
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PostPosted: Thu Nov 20, 2008 2:31 pm    Post subject: Reply with quote

Thanks!

It is a "hotlinez" cable. This Coronado has a great controllable feedback, but if you turn the treble up on a amp/pedal it will squeal like a micheal jackson fan.

Prog...you can do this mod, its easy. Just desoldering/re-soldering. I'm sure Mike would do it for you in the UK if you wanted. Or you can practice doing this stuff on someone's broken/damaged pedal first.
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Mike
I like EL34s


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PostPosted: Thu Nov 20, 2008 2:59 pm    Post subject: Reply with quote

Does that list at the top include the bypass fix?
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Joined: 20 Apr 2006
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Location: Jefferson, GA

PostPosted: Thu Nov 20, 2008 4:16 pm    Post subject: Reply with quote

Mike wrote:
Does that list at the top include the bypass fix?


no...ummmm...here it is....
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PostPosted: Thu Nov 20, 2008 4:21 pm    Post subject: Reply with quote

Oh yeah that one. What did you do? Solder that stuff up and tape it up to stop it grounding out?
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PostPosted: Thu Nov 20, 2008 4:25 pm    Post subject: Reply with quote

Mike wrote:
Oh yeah that one. What did you do? Solder that stuff up and tape it up to stop it grounding out?


I thought I took pics of the whole thing, but I didn't...so...I'll take a pic soon and show it. I just spread the legs of the transistor and resistors to fit everywhere and twisted/soldered ends together, and made sure they wouldn't touch anything...but you could probably make a seperate little board for it and run wires to 3 spots?
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