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Author Topic: Help with my DMIC-20 and rig  (Read 3073 times)

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Offline Kevin

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Help with my DMIC-20 and rig
« on: June 06, 2003, 07:55:59 PM »
I have 2 AKG 391's>DMIC-20>CO2>minidisc
Ive recorded 2 shows so far (managery <-something like that, and garage a trois).  The problem im having is getting the leveling right on my DMIC-20.  Any suggestions would help.  Also what about adjusting the mics to -10db?  
thanks for any help you can provide
Kevin
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Offline bush

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Re:Help with my DMIC-20 and rig
« Reply #1 on: June 06, 2003, 08:39:53 PM »
those dip swtiches are tough to figure out, but once you do, setting the levels is gravy...

pm me and i''ll help if i can with the switches some more
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Offline F.O.Bean

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Re:Help with my DMIC-20 and rig
« Reply #2 on: June 07, 2003, 12:39:37 AM »
what is your main problem??? i have been running one for four years now and all i can say is make sure your mics are as level and parallel to the stage as possible.once this is achieved, you can only get them so close, which, sometimes is PERFECT......but i wish they had a trim on them..... :'( otherwise, i LOVE this unit.....so compact and easy to run..... 8)

bean
Schoeps MK4's | MK41's ->
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Offline Kevin

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Re:Help with my DMIC-20 and rig
« Reply #3 on: June 07, 2003, 04:13:13 PM »
Did either of you get the mod with the dials done to yours?  If so do you know where to get it done?
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Offline bush

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Re:Help with my DMIC-20 and rig
« Reply #4 on: June 09, 2003, 03:20:45 PM »
i have an email Todd R sent me that gives directions in detail on how to do it yourself...if i can find it, I could forward it to ya.

but to answer your question, no i do not have this mod, although i am interested in doing it sometime in the near future.

it maybe something good for the archive section?

haha i said doing it  :D
Team Bama--Duct tape Mafia

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Offline F.O.Bean

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Re:Help with my DMIC-20 and rig
« Reply #5 on: June 09, 2003, 04:51:43 PM »
what mod??? ??? please inform me..... 8)

bean
Schoeps MK4's | MK41's ->
Schoeps | NBob 250/05 KCY's ->
Schoeps VMS 02IB | Naiant +60v/Low Noise PFA's ->
DarkTrain Right Angle Stubby | GakCable XLR's ->
Sound Devices MixPre-6 | Tascam DR-70D ->
128gb | 64gb SanDisk Extreme Pro SDXC-I

http://www.archive.org/bookmarks/diskobean | http://www.archive.org/bookmarks/Bean420 | http://bt.etree.org/mytorrents.php

Offline bush

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Re:Help with my DMIC-20 and rig
« Reply #6 on: June 09, 2003, 08:08:16 PM »
its a mod for a knob that allows you to use all of the  5db of gain in between dip switches...kind of a fine tune adjustment.

looks really cool on paper and I've seen pics of it...imagine a knob over each row of switches.....ahhhhhhhhh

no more hitting -2db  the whole show!!!!!!!

Team Bama--Duct tape Mafia

"RIGLESS"

1985 CJ-7 stretched on 38's

Offline F.O.Bean

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Re:Help with my DMIC-20 and rig
« Reply #7 on: June 10, 2003, 03:31:15 AM »
shit, you mean no more hitting 0db...but soundz good to my ears.....i am HEAVILY considering doing this myself..... 8)

bean
Schoeps MK4's | MK41's ->
Schoeps | NBob 250/05 KCY's ->
Schoeps VMS 02IB | Naiant +60v/Low Noise PFA's ->
DarkTrain Right Angle Stubby | GakCable XLR's ->
Sound Devices MixPre-6 | Tascam DR-70D ->
128gb | 64gb SanDisk Extreme Pro SDXC-I

http://www.archive.org/bookmarks/diskobean | http://www.archive.org/bookmarks/Bean420 | http://bt.etree.org/mytorrents.php

Offline Kevin

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Re:Help with my DMIC-20 and rig
« Reply #8 on: June 10, 2003, 12:09:58 PM »
If you find the e-mail please send it to me.  I talked to him this past week and was going to send mine off to get it done but if it looks like something I can do then id rather do that.
Heres the sight with a pctures of the mod http://www.routeflap.net/dmic20/
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Offline bush

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Re:Help with my DMIC-20 and rig
« Reply #9 on: June 10, 2003, 02:55:40 PM »
Here you go...these are the instructions for the dmic 20 adjustable gain knobs.
This is compiled of exerts from a couple of different emails.
hope this helps ;D ;D

note: the "I" in the rest of this is not me, I have not done this mod yet,  but soon ;)

mail#1

i have no schematics but heres the deal. the dmic has adjustment pots in it. crack the case open and see r65 and r66.

unsolder them and get replacements rated at 5k ohm .25watt.
mount them on the front panel and connect wires to the holes where the old pots were and your in business.

go to http://www.routeflap.net/dmic20/ to see pics.

mail#2

 i decided to add those new pots with nice knobs to the front panel instead of the trimmers from inside.

the pots seem to be $5 ea./knobs $2 from various places on the web. i'm using  Calrad 25-395 5K ohm dual audio taper 1/4 watt. dont need the dual taper,  but couldnt find a single taper that was small enuf, etc.    

the knobs are  Calrad 85-591 $2.25  (thats whats on the dmic in the pics on the website i posted)  i verified with GP engineering that those trimmer pots were 5K ohm 1/4 watt of course :)


mail #3


i get the calrad pots from cablesandconnectors.com

made by Calrad,  part# 25-395  (5k ohm dual audio taper 0.25 watt)

they 'dual' which means they have 2 sets of contacts, but u only wire
one set obviously. i couldnt find a single taper pot that was the same
specs and the perfect size to fit good. there is no issue with it being
dual..

just means 2 sets of contacts in case u wanna connect right and left to
the same pot. ie: stereo volume knob.  wire it to either set of
contacts.

the knobs that i used are calrad part# 85-591  they come in different
colors tho depending on the part #.



Bean...tell us how it turns out!!!!
Team Bama--Duct tape Mafia

"RIGLESS"

1985 CJ-7 stretched on 38's

Offline F.O.Bean

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Re:Help with my DMIC-20 and rig
« Reply #10 on: June 10, 2003, 04:22:05 PM »
jason--this soundz easier than a lot of my experiments in school.....why didnt i ever think of that.... :'(  the only part i REALLY dont wanna do is the drilling of those 2 damn holes......but, i will do ever so carefully.... 8)

HUGE+t jason........thats whats up bro......if i do mine that easily, i would gladly do a couple of you guyz dmic-20's........ 8)

bean
Schoeps MK4's | MK41's ->
Schoeps | NBob 250/05 KCY's ->
Schoeps VMS 02IB | Naiant +60v/Low Noise PFA's ->
DarkTrain Right Angle Stubby | GakCable XLR's ->
Sound Devices MixPre-6 | Tascam DR-70D ->
128gb | 64gb SanDisk Extreme Pro SDXC-I

http://www.archive.org/bookmarks/diskobean | http://www.archive.org/bookmarks/Bean420 | http://bt.etree.org/mytorrents.php

Offline Kevin

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Re:Help with my DMIC-20 and rig
« Reply #11 on: June 10, 2003, 07:22:28 PM »
Ye preciate the plans hopefully I can complete the modification on my dmic-20.  
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Offline danmorgan

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Re:Help with my DMIC-20 and rig
« Reply #12 on: June 10, 2003, 08:47:34 PM »
(  the only part i REALLY dont wanna do is the drilling of those 2 damn holes......but, i will do ever so carefully.... 8)

bean

Shouldn't be hard at all: Looks like the faceplate comes off rather easily.  Use a punch before setting the drillbit and put something like a 2X4 under the plate when you drill.

Looks like it will help you fine-tune much easier!!
« Last Edit: June 10, 2003, 08:48:43 PM by danmorgan »

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Re:Help with my DMIC-20 and rig
« Reply #13 on: June 10, 2003, 09:05:12 PM »
Also what about adjusting the mics to -10db?  
thanks for any help you can provide
Kevin

Good god no! Don't use those switches on the se300 bodies, they sound like crap. The -10db pad just sucks the life out of those microphones. I'm not too fond of how the rolloff sounds either!

Offline F.O.Bean

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Re:Help with my DMIC-20 and rig
« Reply #14 on: June 12, 2003, 03:23:14 AM »
i agree, dont use those pads...... >:( >:( :'( :'(

bean
Schoeps MK4's | MK41's ->
Schoeps | NBob 250/05 KCY's ->
Schoeps VMS 02IB | Naiant +60v/Low Noise PFA's ->
DarkTrain Right Angle Stubby | GakCable XLR's ->
Sound Devices MixPre-6 | Tascam DR-70D ->
128gb | 64gb SanDisk Extreme Pro SDXC-I

http://www.archive.org/bookmarks/diskobean | http://www.archive.org/bookmarks/Bean420 | http://bt.etree.org/mytorrents.php

Offline Kevin

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Re:Help with my DMIC-20 and rig
« Reply #15 on: June 12, 2003, 12:06:50 PM »
thanks ill make sure to NEVER do that then
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Offline F.O.Bean

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Re:Help with my DMIC-20 and rig
« Reply #16 on: June 14, 2003, 04:36:22 PM »
ripped apart as we type.......doesnt look too hard at all.......just wish i had the pots to start... 8)

bean
Schoeps MK4's | MK41's ->
Schoeps | NBob 250/05 KCY's ->
Schoeps VMS 02IB | Naiant +60v/Low Noise PFA's ->
DarkTrain Right Angle Stubby | GakCable XLR's ->
Sound Devices MixPre-6 | Tascam DR-70D ->
128gb | 64gb SanDisk Extreme Pro SDXC-I

http://www.archive.org/bookmarks/diskobean | http://www.archive.org/bookmarks/Bean420 | http://bt.etree.org/mytorrents.php

Offline F.O.Bean

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Re:Help with my DMIC-20 and rig
« Reply #17 on: June 14, 2003, 05:14:18 PM »
i havent soldered pots in quite awhile, so any help would rock......

ok, on cablesandconnectors.com, they have the normal pots(calrad #25-395) when i take out the normal 3 pins that the board is already soldered to,on the old pot, how would i hook them up so i know trim is werking right....

what im saying is, i dont wanna hook up the trim backwards.....i know the middle is gnd....

i should be phine, but dont like ripping equpip. apart..... ;D

bean
Schoeps MK4's | MK41's ->
Schoeps | NBob 250/05 KCY's ->
Schoeps VMS 02IB | Naiant +60v/Low Noise PFA's ->
DarkTrain Right Angle Stubby | GakCable XLR's ->
Sound Devices MixPre-6 | Tascam DR-70D ->
128gb | 64gb SanDisk Extreme Pro SDXC-I

http://www.archive.org/bookmarks/diskobean | http://www.archive.org/bookmarks/Bean420 | http://bt.etree.org/mytorrents.php

 

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