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Which stock modules are bad donor modules?

 
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BoW
RM20


Joined: 04 Jan 2013
Posts: 24
Location: Berkeley

PostPosted: Sat Sep 08, 2018 11:23 am    Post subject: Which stock modules are bad donor modules? Reply with quote

So a couple years ago I remember reading that some of the stock modules don't make good donor modules. I also remember that one of the stock modules I have (Clean, Brown and Plexi) isn't a good donor module but I can't remember which. I've been out of the game too long Embarassed

Best,
BoW

P.S. Where do people get donor modules these days if not from this forum? A couple years ago Egnater was building them but I don't see listings on their website to buy modules.
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JayDA
Lynch Box


Joined: 31 Dec 2006
Posts: 1053
Location: Dirty Jersey

PostPosted: Sat Sep 08, 2018 11:56 am    Post subject: Reply with quote

Reverb.com
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This forum

Some of the "clean" modules have limitations as far as modding goes, Rob used to have a list of what could be what on his site. Salvation mods tells you which donor is required on their website.
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tnjazz
RM100


Joined: 24 Jan 2018
Posts: 190
Location: Hermitage, TN

PostPosted: Sat Sep 08, 2018 12:47 pm    Post subject: Reply with quote

I believe all of them can be modded into something, but for some modules there are limitations.

On Salvation's website there used to be a chart that showed what was possible on the Randall donors. Not entirely sure about the Egnater single or duals. Best thing to do is probably ask Rob or Antonin what modules are ideal based on which of their mods you're looking for.
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warmachine67
RM50


Joined: 20 Apr 2017
Posts: 77
Location: Alabama

PostPosted: Sat Sep 08, 2018 1:50 pm    Post subject: Reply with quote

The above replies covered the answer.

Rob told me once that clean donors are best for clean mods and dirty is best for dirty, with the exception of the XTC which is only good for certain dirty mods.

I have always wondered what made the XTC different. I really replied try to hijack the original post for an answer that question Smile.
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Mattallica
RM20


Joined: 15 Nov 2017
Posts: 30

PostPosted: Sat Sep 08, 2018 5:00 pm    Post subject: Reply with quote

I too would like to know what's different about the stock XTC, and the stock rectifier types as well while we're asking.

When i first posted here asking about a making an Ironheart module, tschrama advised using an XTC over the other dirty modules. I never got an answer as to why.
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tnjazz
RM100


Joined: 24 Jan 2018
Posts: 190
Location: Hermitage, TN

PostPosted: Sat Sep 08, 2018 5:17 pm    Post subject: Reply with quote

Not to take away from the XTC hijack or anything, but this got me curious so I just checked my modules and almost all of them were originally Egnater BMan modules. Guess that one is a pretty universal choice?
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warmachine67
RM50


Joined: 20 Apr 2017
Posts: 77
Location: Alabama

PostPosted: Sat Sep 08, 2018 5:49 pm    Post subject: Reply with quote

I had forgotten that the rectified stockers werenít universal donors as well.

tnajazz, thatís an interesting observation you made about the bmanís. I just recently got my first stock Egnater dual, so I am not versed in them at all.

Maybe some of the older members (if they are still around or even care) will share some info as Iím sure the answer is out there, it just may be 10-12 years old Smile.
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Mattfig
Donating Member


Joined: 22 Jun 2010
Posts: 5681
Location: Hurtling through space on a wet rock.

PostPosted: Sat Sep 08, 2018 6:17 pm    Post subject: Reply with quote

http://salvationaudio.com/index.php?page=compatibility
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trimix
RM100


Joined: 03 Dec 2009
Posts: 162
Location: Tucson AZ

PostPosted: Fri Sep 14, 2018 2:03 pm    Post subject: Reply with quote

If you want to know literally what's different on the PCBs:

http://grailtone.com/guitar-tone-articles/randall-modules-modifications.html
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Randall- RM4, Clean, 1086, Mr Scary, Grail
Egnater- SL2X D/S
Salvation- TwinFace, MarkUs
Jaded Faith- Twox, XTC, Custom RVerb
Sacred Groove- Custom SL+
Mesa/Boogie- Stereo Simul-Class 395
(2) Randall 4x12- X-pattern Vintage 30/G12T-75
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warmachine67
RM50


Joined: 20 Apr 2017
Posts: 77
Location: Alabama

PostPosted: Fri Sep 14, 2018 3:19 pm    Post subject: Reply with quote

Thatís cool information.

Unfortunately, Iím a bit slow and only accustomed to reading schematics instead of looking at completed PCb diagrams and being able to come up with the reason some donors are better than others.

I always assumed the clean modules had the eq before the gain stages and the dirty modules had the eq after the gain stage similar to the real amps (basically a fender topology vs a Marshall topology). Or I could be completely off and severely confused.

A lot of this discussion and conversations probably took place 10 to 12 years ago when the modules were hot the first go round.
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