Rack Ear Modules

Blacet, Metalbox, Synthasonic, PAiA and the rest.... a frac frenzy!

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eyehue
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Post by eyehue » Wed Feb 18, 2009 4:33 am

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Blacet 2210 Multi/Atten relocated to frac ear.

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DGTom
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Post by DGTom » Wed Feb 18, 2009 7:55 am

Nice!

eyehue; is your rack a PAiA? If so, is it assembled in a similar way to the Blacet Rack? I'm thinking my 2nd suitcase could be a double banger with DIY in the lid. The PAiA rack would fit perfect into the main part of the case!

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eyehue
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Post by eyehue » Thu Feb 19, 2009 12:55 am

Hi DGTom thanks!

Yea, the frac is a PAiA. I think the only differences are the Blacet one is more sturdy and does not have pre-drilled holes behind the ear panels (which PAiA uses for power supply LEDs and switch).

zerosum
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Post by zerosum » Thu Feb 19, 2009 5:01 pm

great thread! (that I have nothing add to myself other than thanks for the cool posts)

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doctorvague
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Post by doctorvague » Sun Feb 22, 2009 9:13 am

There are a bunch of simple passive things that could be fit into frac rack ears. Mine are all 6 way multed, but if i had to do it over I'd trhow some other things in there.
For basic passive attenuators and such, Doepfer provides some good info here:
http://www.doepfer.de/DIY/a100_diy.htm

There are some more ideas in this thread including a super-simple passive VCF and a diode trigger combiner:
http://electro-music.com/forum/viewtopic.php?t=26643

Try the vactrol VCF, it's more useful than you might think. Parts count: 2!

Cheers
Phil

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eyehue
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Post by eyehue » Sat Apr 18, 2009 5:41 am

This one had been planned for a while, but i finally had the chance to mill it tonight, Ad Infinitum UMM402 Multi/Atten modified into a frac ear:

Image

My last frac piece. Once everything is put back together my 6 frac rack modular is done. More pics to follow...

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scozbor
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Post by scozbor » Sat Apr 18, 2009 5:59 am

thats fuckin sick! :hail:

i'm not talking about the background...

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eyehue
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Post by eyehue » Sat Apr 18, 2009 6:11 am

Thanks! I just started learning the mill and I am enjoying it.

Oh, here's another, much less technical frac ear; it was hand-drilled on a used frac ear which already had the jack hole drilled by the previous owner.

CGS Psycho LFO Frac Ear:

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Cat-A-Tonic
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Post by Cat-A-Tonic » Sat Apr 18, 2009 6:57 am

Nice work. Are you still managing to fit the side panels behind the ears with these installed?

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eyehue
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Post by eyehue » Sat Apr 18, 2009 7:22 am

Hey thanks Cat-A-Tonic!

Yes, I've been keeping the side panels, however, I've been cutting notches into them with a band saw to keep everything free and clear. The Ad Infinitum required the largest notch and also some cutting into the wood frame to make it fit.

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Image

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Cat-A-Tonic
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Post by Cat-A-Tonic » Sat Apr 18, 2009 7:30 am

Thanks for the great pics Eyehue. :sb:
All the info that people have contributed to this thread is definitely going to be useful
when I finally get down to business on these modifications.

Does slicing into the side panels have a noticeable impact on the stability of the racks?
It seems like they would be quite a bit weaker after that, no?

I would have to shave my wooden rails down a bit too.

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Cat-A-Tonic
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Thread Exhumation & Update

Post by Cat-A-Tonic » Sat Sep 04, 2010 5:47 am

I recently assembled a Blacet 2790 into a Frac ear.

I still have to troubleshoot and fix the wiring on the additional 3rd channel attenuator,
but other than that it works as designed.

Image
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selfoscillate
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Post by selfoscillate » Sat Sep 04, 2010 6:42 am

nice :)

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Cat-A-Tonic
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Re: Rack Ear Modules

Post by Cat-A-Tonic » Sun Mar 29, 2020 2:40 am

Passive attenuator with 2 outputs
normalled to a 4 jack multiple.

Mounted in a Frac "ear."

There is one in each side of this rack.

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