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Author Topic: AKG B.i.G./CK91 (NEW MOD) detachable Blueline series caps  (Read 22984 times)

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Offline igene

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AKG B.i.G./CK91 (NEW MOD) detachable Blueline series caps
« on: April 19, 2011, 08:33:54 AM »
2 prototypes completed

I've been working on a capsule only mod that makes the CK91, 93 caps disconnect,
and look a bit like the CK-1X caps   (see comparison pic below)

The mod is in proto-version 1.5 now, I think it looks amazing.
There were a lot of problems that needed to be solved along the way for this to work.
I think I'm almost done, I just need to solder it up and make small adjustments
I only have a dummied up prototype, but it looks great.





comparisons





« Last Edit: April 21, 2011, 03:54:35 PM by igene »
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Offline ArchivalAudio

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Re: NEED internal contacts ID'ed for a CK-91 cap
« Reply #1 on: April 19, 2011, 11:00:53 AM »
no help from me
but again  I wanna say your mod looks slick!
this gives more future options to everyone
thank you
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Offline igene

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Re: NEED internal contacts ID'ed for a CK-91 cap
« Reply #2 on: April 19, 2011, 11:31:50 AM »
I was aiming for a feasible mod I can offer as a service to whoever wants it.
I know there are a lot of CK-91 & CK-93's out there...

It's a durable design that will function well for a long time.
I take longevity into account when I design anything.
It's also non-destructive. I can reverse the process if needed.

I saw all the hardwired mods, and figured I could do it better.
As far as I can tell, no one has done a miniXLR/ (BL)CK capsule mod.

Also, the spacer is specially handcrafted and takes almost an hour to complete.
(with polishing) 1 per capsule / so almost 2 hours.
There is nothing out there that I found that will fit this exactly.
I can however make a bunch in advance to speed things up later...
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Offline igene

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Re: AKG B.I.G. Cap (My NEW MOD)
« Reply #3 on: April 19, 2011, 03:10:33 PM »
Finished all the wiring/soldering, and it works like a champ.

I'm very happy with the results.

I learned a few more things about the mod as I was completing it.
The final stage is a real BEAR to get right.

ANYWAY - 1st one DONE !!!

I'm going back to some other projects that are on hold.
I'll be back to finish the other one next week.
Now that I know the complete process, it will be easy.

Ver 1.5
« Last Edit: April 20, 2011, 09:18:33 AM by igene »
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Offline jbell

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Re: AKG B.I.G. Cap (My NEW MOD)
« Reply #4 on: April 19, 2011, 03:16:49 PM »
Nice work!  Some sound samples of the modded caps against the caps and bodies would be great. 

Edit:  I might be interested in a set since I already have a minixlr cable and PFA that would work great with these. 
« Last Edit: April 19, 2011, 03:26:04 PM by jmbell »
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Offline ArchivalAudio

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Re: AKG B.i.G./CK91 (NEW MOD) detachable Blueline series caps
« Reply #5 on: April 19, 2011, 09:13:35 PM »
so would these work with the mini PFA?
in other words no bodies needed just phantom?  if that's true that is soooooooo cool! right on!
--Ian
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Offline Hypnocracy

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Re: AKG B.i.G./CK91 (NEW MOD) detachable Blueline series caps
« Reply #6 on: April 19, 2011, 09:44:13 PM »
Ian...I think these would run with anything that would power AT853's...PFA, Church Audio 9100 or BB Box ect...
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Offline willndmb

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Re: AKG B.i.G./CK91 (NEW MOD) detachable Blueline series caps
« Reply #7 on: April 19, 2011, 09:51:00 PM »
looks nice
so you could use 1 set of cables and switch the caps?
compared to the hardwire versions where you are going to need cables for each cap
whats the power? 9v or 48
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Offline igene

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Re: AKG B.i.G./CK91 (NEW MOD) detachable Blueline series caps
« Reply #8 on: April 19, 2011, 10:40:24 PM »
You only need 9v to 16v to run these (9V is enough)

The connector is a miniXLR, so you just change the caps for a different pattern.
the cap IS the body (so to speak).
-----------------------------------------------------------
I'm playing around with the design now...
(I got a bit obsessed with it, can't do my other work...)
I'm trying to accommodate the wires and connector better.
The extension tube is about 3mm longer now.
Plus, I polished the hell out of it, looks great.


Ver 1.6

« Last Edit: April 20, 2011, 09:17:40 AM by igene »
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Offline F.O.Bean

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Re: AKG B.i.G./CK91 (NEW MOD) detachable Blueline series caps
« Reply #9 on: April 19, 2011, 11:46:02 PM »
AWESOME ;D
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Offline willndmb

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Re: AKG B.i.G./CK91 (NEW MOD) detachable Blueline series caps
« Reply #10 on: April 20, 2011, 07:44:50 AM »
do you need to polish it so much if you are adding the heat shrink
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Offline igene

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Re: AKG B.i.G./CK91 (NEW MOD) detachable Blueline series caps
« Reply #11 on: April 20, 2011, 08:21:36 AM »
Shrink tubing is just an option I was playing with.
It's turning out to not so practical.
I wanted to see the copper real shiny, so I polished it up.

I'm unsure of how I want the final mod to look.
But I'm leaning toward just exposed copper.



Suggestions ...?
« Last Edit: April 20, 2011, 09:15:13 AM by igene »
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Offline igene

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Re: AKG B.i.G./CK91 (NEW MOD) detachable Blueline series caps
« Reply #12 on: April 20, 2011, 09:53:59 AM »
what type clearcoat will work best?
brand ?
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Offline DigiGal

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Re: AKG B.i.G./CK91 (NEW MOD) detachable Blueline series caps
« Reply #13 on: April 20, 2011, 12:12:58 PM »


Been watching your progress on these mods for a while.  Nice work Gene!!!
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Offline igene

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Re: AKG B.i.G./CK91 (NEW MOD) detachable Blueline series caps
« Reply #14 on: April 20, 2011, 12:14:16 PM »
I finished and tested both...
I only have 1 miniXLR to miniXLR cable, so I can only test them one at a time.
I'm also out of miniXLR connectors...need to order more.

add: I just ordered more miniXLR cable end connectors, and enough miniXLR panel connectors to do 5 more sets

I changed the internal wiring on the second one, and the way the spacer attaches to the body.
Also, the way the miniXLR connector attaches to the spacer.
Also figured out a much faster way to polish the spacer, and it looks better too.
It looks factory made now.
I'm super happy with the 2nd one.
That's how I'll make any subsequent ones.

here they are >
(I took the foto before securing the miniXLR panel connector on the back one, that's why it's out a bit)

back one -Ver. 1.7, front Ver. 1.5
« Last Edit: April 20, 2011, 12:38:53 PM by igene »
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Leela : ...what are we going to do ?
the Doctor : Should we try using our Intelligence ?
Leela : Well, if you think it's a good idea.
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Gallifreyan Guard : But you do have access to the greatest source of knowledge in the Universe.
the Doctor : Well, I do talk to myself sometimes, Yes...
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