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 what mod is this/similar to this? DS-1
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leonard d rock
Silver Member

Philippines
301 Posts

Posted - 06/14/2009 :  11:46:48  Show Profile  Reply with Quote
hello,
this is the latest incarnation of my ds-1 which is my main mod platform.
from what i hear so far, its a smoother, rounder version of the ds-1 and way louder.it sounds good too with single coils. its very simple.
D4: 1n4148 + red LED
D5: stock 1n4148
low value cap (47pf?) across D4 and d5 like the keeley SEM

the keeley SEM removes the stock D4 and replaces it with a LED. i prefer a LED in series there with the 1n4148. without the cap, the sound is a little bit midrangey. with the cap across the diodes, its like a smoother harder sound of the stock ds-1 sound.
is it like any other ds-1 mod?

mabuhay,
LDR

cctsim
Silver Member

United Kingdom
418 Posts

Posted - 06/14/2009 :  15:25:15  Show Profile  Reply with Quote
I think the Keeley SEM changes D5 to a red LED not D4. This is important because of D8:

http://www.robertkeeley.com/audio6l6/dstech.html

What you have is similar to the Ultra mode (but not exactly).

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copper
Bronze Member

USA
73 Posts

Posted - 06/15/2009 :  04:44:01  Show Profile  Reply with Quote
quote:
Originally posted by cctsim

I think the Keeley SEM changes D5 to a red LED not D4. This is important because of D8:

http://www.robertkeeley.com/audio6l6/dstech.html

What you have is similar to the Ultra mode (but not exactly).





Doesn't matter, they're in parallel so it doesn't matter which has the LED or not.




Try out the mod. I'm always curious of different diode combinations in the DS-1. I think 2 LED's in one spot and 2 1n4001's in the other sound really cool too.
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