I bought a SD-1

[~BURNY~]

I'm becoming a pedal freak lately. But hey, 30 euros, cool deal. The funny thing is that I just realized it was the old black label made in Japan with the jrc 4558 chip.

I like it so far. Sounds tighter than my TS, probably at the expense of the warmth but it works well with a marshall.

 

[Mutant]

I like it so far.

Welcome to the SD-1 club !

Sounds tighter than my TS

True !

 

[Seizure.]

Erik Rutan uses it too!

 

[JeffTD]

They're awesome pedals, and tighter than the TS, but definitely sounds a bit more sterile and solid-stateish.

 

[~BURNY~]

Now the real question is... Brown mod or not?

 

[~BURNY~]

Yay!
I made a small mod (aka SD-808).
Replaced R7 with a 10k.
Replaced C10 with a 10uF.
Removed C6.
Replaced R16 with a 100ohm.
Removed D6. (added a jumper)


Sounds really nice. Smoother but still tighter and less midrangey than a TS.
Happy.
Maybe I'll replace clipping diodes with germanium diodes next time.
After further inspection the chip was indeed the good old JRC 4558D (not DD).

 

[sincethefailing]

http://www.geocities.com/overdrivespider/SD1/stepfour.htm

 

[~BURNY~]

http://www.geocities.com/overdrivespider/SD1/stepfour.htm

Wow, that seems to be a heavy mod. That's interesting but I'm happy with the result right now and I don't want to take away the initial character of the sd-1. I know it's possible to make a 1:1 ts808 clone with a very low budget though. Anyway thanks for the info. Maybe I'll try the monteallums mod kit on my TS-5 soon.

 

[Gnash]

BURNY, can you post a pic of your black label SD1? Do the new ones have the jrc4558 chip?

 

[~BURNY~]

Ok, I'll see what I can do, but I can't push the amp level right now.

 

[Gnash]

Nah, I meant a picture, bro. I'm thinking you have a "Black label Society" sd1, ya know, like the one Zakk used. Or does your pedal have a black label on it? I'm confused!

 

[~BURNY~]

Haha! Sorry dude, I just had a nap. I guess I'm not totally waked up. Sorry for the poor quality, It's my crappy webcam...
Here's the front (nothing special):

Here's the back panel with the so called "black label":

Afaik, the later sd-1 made in taïwan do not have the same chip.

 

[Gnash]

Thanks for the tip, man. I'm looking for one now!

 

[Curran]

I dig my SD-1 wayyyyyyyyyyyyyyyyyyyy more than my TS-9 but I do like the ts-9 for certain things

Love Curran