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Old 11-10-2010, 05:43 PM   #1
Babyface
 
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SDD3000 pre amp - The Clone story

Hello, I am new in forum, my name is Daniel and I'm from Portugal.
After being surprised by the sound of Boss FA-1 that I cloned, I decided build another key part of the sound of The Edge, SDD3000 pre.

You can ear the samples of the FA-1 here:
https://sites.google.com/site/swampelectronics/projectos-realizados/boss-fa-1

I searched the internet and found several things:
This blog gave me good information about AF-1, the boy is to be congratulated, the level of construction it is very high.
SDD-3000 Preamp Clone « Trabantland
Scheme:
MATRIXSYNTH: Korg SDD-3000 Service Manual
thank you matrixsynth! Sweet!

A version designed by Analogguru pedal, thanks analoguru and frestompboxes.org!

http://analogguru.an.ohost.de/001/sc...SDD-preamp.gif

I will make this 9v version this week, but I want more! I want to:
- The two attenuators
- 15V power supply as in sdd3000
- Completely understand the circuit and probably find out what goes in there:

Psionic Audio - Triad preamp mixer & boost pedal for guitar - Overview

First step:

Breadboard





I put the switches in a box so you can experience the circuit.
It works! at +9 V only.

We get a incredible variety of sounds, but the strange thing is the position-30db volume from 12 hours on the volume pot, I get have an overdrive sound.

Continues after.

thanks!
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Old 11-11-2010, 05:28 AM   #2
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I'm following you!
Keep on posting
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Old 01-02-2011, 04:20 PM   #3
Babyface
 
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Hi!

After somo weeks thinking the best options I decided!

The objective was make a new Sdd3000 preamp in stompbox, with the most important options.

220V/110V AC IN
Like in Carl Martin Plexi and Ac-tone for better power, the charge pump add some problems reability and noise. And you dont have to buy another power suplly!

FX loop
The delay inside the SDD3000 isnĀ“t before or after the preamp...is inside.

Passive /Active Fx loop
The active fx loop use a real good circuit that runs in +15 0 -15V like the preamp. without any fx on the fx loop, the the circuit act like a booster.

Series/parallel Fx loop
One more option...easy mod...why not?

Fx loop ON/OFF Footswitch
To ON & OFF the delay on the fx loop

True Bypass footswitch

2Āŗ attenuator change (BOOST)

A - Attenuator (no switch but a Pottenciometer - same shit, more versatility)
B - Direct (no attenuation)

I canĀ“t call it a booster because is the inverse..I will call it SOLO maybe.

HereĀ“s the project:




Finishing of the first pedal will be in etching.
Some of my other works:
Boss FA-1 prototype


Etching Finish







you can contact me for advices and questions.

swampfx.tk
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Old 01-03-2011, 11:45 AM   #4
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So you joined interference just to sell your wares?
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Old 01-04-2011, 01:03 PM   #5
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No man!

IĀ“am posting because this forum have a lot of this kind of effect users.
I some opinions could help me to make a better pedal.
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Old 01-04-2011, 02:06 PM   #6
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Quote:
Originally Posted by Swampfx View Post
No man!

IĀ“am posting because this forum have a lot of this kind of effect users.
I some opinions could help me to make a better pedal.


I have the clone that Trabantland built. Great pedal.

The Triads are good and do a bit more than the Trabantland SDD-3K but have not always been easy to get one delivered in a timely fashion.

I did hear that Vox is supposed to be making an SDD-3K pedal clone. That could be interesting.

If you've built one, post youtube clips. A clip showing what it does / sounds like will help show the value of your pedal.
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Old 01-04-2011, 02:34 PM   #7
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I love the Clone Story! Even Ahsoka Tano has grown on me.

Wait...
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Old 12-12-2011, 03:52 AM   #8
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@swampfx:
Would be great if you'd post the pcb layout and the schematic of your version!
Have you added a parallel/series option to the fx loop?
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Old 03-17-2012, 04:14 PM   #9
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Repairing a Korg Sdd3000 to compare with the preamp clone

Change all electrolitic capacitors, now itĀ“s have sound but the power supply is too instable.

Need to make a new Power Board

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