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 Does anyone here have a DD-3 HI CUT MOD?
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nosajwp
Copper Member

USA
24 Posts

Posted - 08/29/2006 :  18:33:52  Show Profile  Reply with Quote
Ok, boss freak says to put the cap across the E. Level pot, and Gearhunter says to put it across the feedback pot. Who is right?
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stahlhart
Platinum Member

1318 Posts

Posted - 08/29/2006 :  19:33:53  Show Profile  Reply with Quote
They both are, as far as I can tell.

If I look at the DD-2 schematic, I see the high sides of both controls connected together, and the low sides of both grounded -- which means that any capacitor connected across one is, for all intents and purposes, across both.

So if, say, you put 0.22uF capacitors across the outer lugs of both of the controls, there would essentially be no difference if you put one 0.47uF capacitor across one of them.
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Erik dP
Silver Member

Sweden
150 Posts

Posted - 12/12/2006 :  23:29:10  Show Profile  Reply with Quote
I finally got around to do this mod.

I used 0.1 micro F and 0.47 micro F and a 3-way micro switch to toggle between 0.1, 0.47 and "no cap". They all fit in the battery chamber. I should have put the caps inside the box and only let the micro-switch be in the battery chamber, but I don't care to change it.

The caps are electrolyt(?)-caps (I don't know what they -"electrolyt"- are called in English but they are the tube-like ones with two wires in one end - one for ground.)

The 0.1 were only slightly high cut and I can hardly notice the difference between this and stock. Maybe the stock DD-2 is warm anyway. But there is a difference.

0.47 rounds off the edges of the guitar sound. I don't notice the "darker and darker" effect that I expected. Maybe that is because the effect signal drops to half the level of "stock" and the number of repeats are limited. The signal is strong enough for my purpose at full right turn on both "Level" and "F-back".
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Erik dP
Silver Member

Sweden
150 Posts

Posted - 01/26/2007 :  13:50:41  Show Profile  Reply with Quote
Hi all
Here are two soundclips of the mod. I start each clip with the DD-2 turned off.

First DD-2 without mod:

www.rockstars.se/DD2.MP3

...and now with the 0.47 micro F:

www.rockstars.se/DD2hicut.MP3

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diggum12
Silver Member

USA
282 Posts

Posted - 01/26/2007 :  17:25:14  Show Profile  Reply with Quote
I added a .047uf Metal Film cap across the lugs of the pot last month. I really like it. I found that anything larger than that really sucked away level and repeats too much.

Anyway, it does sound very good. I wouldn't call it a "darker" sound. Not so bright? Yes. Actually it sounds more "spongy" as the repeats decay, but not in a staticky way. I recommend it!
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Dr. Bob
Moderator

Australia
6593 Posts

Posted - 01/27/2007 :  07:35:23  Show Profile  Visit Dr. Bob's Homepage  Reply with Quote
Hi guys & bossarea

I gather that you guys are doing this on both the DD-2 & the early DD-3's.

The thread is titled:
Does anyone here have a DD-3 HI CUT MOD?

what about on the Newer version of the DD-3's?

Just trying to reduce the confusion for all the other members as well.

Regards Dr. Bob
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diggum12
Silver Member

USA
282 Posts

Posted - 01/29/2007 :  23:20:06  Show Profile  Reply with Quote
I'm pretty sure this is easily done on the newer (meaning sold in stores) DD-3's as well. It's the DD-6's that don't seem to be able to do this. I've never looked inside a DD-6 so I don't know.
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leecs
Copper Member

Singapore
14 Posts

Posted - 02/06/2007 :  14:15:40  Show Profile  Reply with Quote
quote:
Originally posted by Dr. Bob

Hi guys & bossarea

I gather that you guys are doing this on both the DD-2 & the early DD-3's.

The thread is titled:
Does anyone here have a DD-3 HI CUT MOD?

what about on the Newer version of the DD-3's?

Just trying to reduce the confusion for all the other members as well.

Regards Dr. Bob



I have 1, but i sold it just now

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colinsic
Copper Member

Canada
4 Posts

Posted - 03/21/2007 :  15:53:51  Show Profile  Visit colinsic's Homepage  Click to see colinsic's MSN Messenger address  Reply with Quote
Just a heads up a ducking delay is one that hides behind your original sound until you stop playing then the volume raises up. It was invented by TC ELECTRONICS.

this is from the net

"Ducking is a technique for using a compressor to control the level of one signal with the level of another signal -- for example, the radio DJ's voice that causes the background music to 'duck' in level every time he speaks. Some multi-effects boxes now include ducking delay and ducking reverb algorithms, the idea being that when the playing is busy, the effect remains at a low level so as not to get in the way. However, when there's a pause the effect swells up to its full level. The user generally has control over the degree of ducking that takes place. In some multi-effects units, ducking is provided within some delay and reverb algorithms so that the effect is more predominant during pauses and is reduced in level when the material is busy. This can help keep a mix uncluttered, while still creating the illusion that heavy effects processing is being used."
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ChristoMephisto
Platinum Member

Canada
1288 Posts

Posted - 03/23/2007 :  02:03:08  Show Profile  Reply with Quote
maybe we could rename the DD-3 Digital Delay to DD-3 Digital Duck

reading through all the posts on this mod it seems there is a bit of flexability with them.
one cap on one pot only effects that control alone. wouldn't a dp3t with a 0.1,center bypass, and 0.047 on both pots be better.
the values come from various sites icr and from this site as well.
0.47 sounds a bit high im guessing, imho it sounds like its one 0.1 on either pot, or a 0.047 on both, depending on the sound your looking for
sounds like such an easy mod, its on my next to do list after i finish chip swapping my sd-1
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