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Author Topic: MG N-Box signup thread  (Read 11529 times)

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Offline ShawnF

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Re: MG N-Box signup thread
« Reply #15 on: March 03, 2010, 12:54:18 PM »
I'm interested enough to follow this closely.  Actual purchase would hinge on the price.

Offline dbindc

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Re: MG N-Box signup thread
« Reply #16 on: March 03, 2010, 01:22:54 PM »
I seem to remember someone posting a few years back - Oleg I think, that it was possible to use MBHO capsules on Gefell bodies.  Think they are both 21mm, similar threads and single connecting pin.  I always wanted to try it but could never convince the only taper I know with MG200's to let me test it.  Anyhow if this is true I wonder if it would be possible to use the MBHO colettes as a vehicle to send signal to this proposed MG box.
Gefell M300, MBHO 603a/648 + KA200, KA500, KA100D, KA400, KA800, K20, vintage MB omni & cardioid under Peerless and Unitra brands
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Offline JD

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Re: MG N-Box signup thread
« Reply #17 on: March 03, 2010, 01:30:36 PM »
I seem to remember someone posting a few years back - Oleg I think, that it was possible to use MBHO capsules on Gefell bodies.  Think they are both 21mm, similar threads and single connecting pin.  I always wanted to try it but could never convince the only taper I know with MG200's to let me test it.  Anyhow if this is true I wonder if it would be possible to use the MBHO colettes as a vehicle to send signal to this proposed MG box.

I tried this with Otheronek's MBHO bodies and my gefell caps, the threads are close but not close enough. Forcing the two together would probably result in threads being damaged.
Mics: DPA 4022, 4060; Nevaton MC51, MCE400; Gefell sms2000, m20, m21, m27
Pres: DPA MMA6000; Grace V2; Portico 5012; Sonosax SX-M2
Recorders: Edirol R09hr, Sound Devices 722

Offline yug du nord

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Re: MG N-Box signup thread
« Reply #18 on: March 03, 2010, 06:23:04 PM »
dont own geffels, but i like the idea, and would be in for a box depending on price.
.....got a blank space where my mind should be.....

Offline ingsy

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Re: MG N-Box signup thread
« Reply #19 on: March 03, 2010, 08:04:56 PM »
::wishes he never sold his MGs::

count me in.
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Offline it-goes-to-eleven

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Re: MG N-Box signup thread
« Reply #20 on: March 03, 2010, 08:11:41 PM »
How do we know this isn't going to sound spitty? :P

New product - Get your NEUMANN active mounting bars
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Offline bish

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Re: MG N-Box signup thread
« Reply #21 on: March 03, 2010, 09:27:46 PM »
Count me in i would love that !!

Offline jlykos

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Re: MG N-Box signup thread
« Reply #22 on: March 04, 2010, 08:09:38 AM »
As with Todd, it would depend on price.  Also, I have been so accustomed to running full bodies for so long that I don't know what the actual benefit would be to run actives.  Finally, I would not want anything that would cause the cable to be hard-wired to the capsule.  If I can remove the capsules, fine, but hard-wiring is a deal breaker for me.
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Offline Myco

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Re: MG N-Box signup thread
« Reply #23 on: March 04, 2010, 09:27:07 AM »
As with Todd, it would depend on price.  Also, I have been so accustomed to running full bodies for so long that I don't know what the actual benefit would be to run actives.  Finally, I would not want anything that would cause the cable to be hard-wired to the capsule.  If I can remove the capsules, fine, but hard-wiring is a deal breaker for me.

The capsules would screw on just like on a normal microphone body and would be removable. The main advantage would be a reduction in overall size and allow you to use your gefell's in less than open taping situations, at least as far as I understand it.  ;)

below are some pix of a Nbox with Schoeps capsules attached.
« Last Edit: March 04, 2010, 09:32:41 AM by Myco »
Microtech Gefell M200: M20/M21/M27 caps> Bumblebee MiAGi-II/Darktrain silver cable's/"Chuck" Belden cables> Aerco MP-2 or Busman modded DR-680 pre-amps> Darktrain cables & interconnects> Tascam DR-680 (Busman mod)
AT853's(card's/hyper's)>AT8533x>Aerco MP-2>Sony M10

Offline dactylus

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Re: MG N-Box signup thread
« Reply #24 on: March 28, 2010, 09:48:27 AM »


bip bip

 ;D

hot licks > microphones > recorder



...ball of confusion, that's what the world is today, hey hey...

Offline dactylus

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Re: MG N-Box signup thread
« Reply #25 on: April 03, 2010, 09:11:38 AM »


Any new developments?

 :)

hot licks > microphones > recorder



...ball of confusion, that's what the world is today, hey hey...

Offline JD

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Re: MG N-Box signup thread
« Reply #26 on: April 03, 2010, 12:35:16 PM »
Any new developments?


I received Myco's JK Lab box last week, Haven't really had the time to play with it yet. I did take the cover off on the inside, and I must say, I am amazed at how little circuitry is in that box. Looks to be a small shrunk-wrapped battery of some sorts, and just a dozen or so caps and resistors. Most of the circuit looks to be for the stepped pot that is a variable HPF. Almost looks too simple.

My plans for this box are as follows.

First I want to do a blind comparison of this box verses the gefell bodies and see how there compare.
second, I want to try make some frequency graphs of the comps and see how they compare.
Then, I will attempt to reverse engineer the circuit, and take it to someone with the know-how to suggest improvements.


FYI, the JK Labs box is as follows:

--one channel in via 4 pin plug(should be able to just double everything for two channels)
--1/4" TRS out (wired to two XLR's)
--has a 3.5 mini out
--has no on/off switch (inside the unit it says to remove the cap when not in use)
--has no gain
--has a 6 position rotary switch for 6 different base roll-offs (I am assuming one is unity)
--runs on one 9V and is marked as having a 350 hour battery life!!!!
--has a current draw of 1.5 mah
--the box measures 1 1/4" X 2 3/8" X 4 3/8" (there is a lot of unused space inside, so I'm guessing a two channel unit would be somewhere around 50% larger)
--there looks to be a battery pack of some sort permanently wired inside. I kind of remember Bill telling me that his R-boxes had something like twelve watch batteries in series to make a polarization voltage??? for the caps, and that there was almost no current involved so the batteries would literally last for many years, I'm guessing that is the case here as well)

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Mics: DPA 4022, 4060; Nevaton MC51, MCE400; Gefell sms2000, m20, m21, m27
Pres: DPA MMA6000; Grace V2; Portico 5012; Sonosax SX-M2
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Offline Myco

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Re: MG N-Box signup thread
« Reply #27 on: April 03, 2010, 12:41:28 PM »
Thank you for all of your efforts Jamie!  ;D
Microtech Gefell M200: M20/M21/M27 caps> Bumblebee MiAGi-II/Darktrain silver cable's/"Chuck" Belden cables> Aerco MP-2 or Busman modded DR-680 pre-amps> Darktrain cables & interconnects> Tascam DR-680 (Busman mod)
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Offline dactylus

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Re: MG N-Box signup thread
« Reply #28 on: April 03, 2010, 02:51:00 PM »
Thank you for all of your efforts Jamie!  ;D

^^

I second that emotion!  Thank you Jamie!!

 ;D

hot licks > microphones > recorder



...ball of confusion, that's what the world is today, hey hey...

Offline daspyknows

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Re: MG N-Box signup thread
« Reply #29 on: April 10, 2010, 03:18:55 PM »
I have one of the original two RBoxes Bill built.  That is the schematic used for the NBox.  The RBox was an evolution of a box built for Nak 700's.  Between Bill and Nick there is little doubt in my mind that a kick ass box will be built.  As long as there is enough interest to justify the development this will happen. 

Nick just lent me an NBox to travel with it to record Clapton Winwood in Europe.  Slick design.

 

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