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Author Topic: SD MP2 gain pots noisy  (Read 3373 times)

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Offline jeromejello

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SD MP2 gain pots noisy
« on: August 24, 2009, 02:13:59 AM »
i have been searching for an old thread about a DIY fix for noisy gain pots on the sd mp2... something about a hair dryer...

i THINK that one of my pots on my mp2 is starting to get fickle.  I noticed a couple of occasions on my recent recording that had some scratchy noise where it was entirely possible that i was adjusting gain at the time.

I haven't concluded this is a mp2 issue yet (could be a mic or cable or *eek* r-09 problem), but i am leaning towards it.  i will hopefully have some time to test it this week. 

anyways, aside from sending this in to sd, does anyone have any suggestions on what i can do to try and fix the pot...
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open: mbho 603a (ka200n/ka500hn) > SD MP-2 > PCM-M10
stealth: AT853a (o/sc/c/h) > SD MP-2 > ihp120
misc: Earthworks SR77 | Shure VP88

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Offline schoepsnbox

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Re: SD MP2 gain pots noisy
« Reply #1 on: August 24, 2009, 10:20:12 AM »
Rat shack sells Caig Deoxit spray...Open it up and spray the pots to clean them up.
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Offline George2

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Re: SD MP2 gain pots noisy
« Reply #2 on: August 24, 2009, 08:47:51 PM »
I don't believe you can clean those. I would contact SD and inquire about changing them. I think they have reasonable service.
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Offline jeromejello

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Re: SD MP2 gain pots noisy
« Reply #3 on: September 21, 2009, 10:39:10 PM »
just as an update... i have recorded a couple of additional times with the same set up and no problems...

my guess, the phish environment caused the problem... i know - it's not scientific... but my reasoning is that:
a) there was a lot of traffic on that aisle maybe something happened in the traffic (bag kicked, mic cable pulled),
b) there was a lot of cell phone use around me (including me) - but it didn't sound like traditional cell phone interference,
c) it was the phish... and if there is ever a sport taping environment that is the place... a shit ton of variables.

i will be using the mp2 again this weekend, although this time with the ho's in front of it... hopefully it has all worked itself out.
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open: mbho 603a (ka200n/ka500hn) > SD MP-2 > PCM-M10
stealth: AT853a (o/sc/c/h) > SD MP-2 > ihp120
misc: Earthworks SR77 | Shure VP88

bt & dime

Offline Chilly Brioschi

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Re: SD MP2 gain pots noisy
« Reply #4 on: September 23, 2009, 06:59:35 PM »
sell it to me cheap, I need warmth
I play with noisy pots and connectors well.
just sayin'...         ;D
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Offline jeromejello

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Re: SD MP2 gain pots noisy
« Reply #5 on: September 23, 2009, 10:59:27 PM »
Quote from: Bob on September 23, 2009, 06:59:35 PM
sell it to me cheap, I need warmth
I play with noisy pots and connectors well.
just sayin'...         ;D

from my cold dead hands...  ;D

i really really love this pre... and now that i have the ho's i see a renewed long love affair.
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open: mbho 603a (ka200n/ka500hn) > SD MP-2 > PCM-M10
stealth: AT853a (o/sc/c/h) > SD MP-2 > ihp120
misc: Earthworks SR77 | Shure VP88

bt & dime

Offline Chilly Brioschi

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Re: SD MP2 gain pots noisy
« Reply #6 on: September 24, 2009, 08:43:28 AM »
Quote from: jeromejello on September 23, 2009, 10:59:27 PM
Quote from: Bob on September 23, 2009, 06:59:35 PM
sell it to me cheap, I need warmth
I play with noisy pots and connectors well.
just sayin'...         ;D

from my cold dead hands...  ;D

i really really love this pre... and now that i have the ho's i see a renewed long love affair.

Those sizzly AKGs need it more      ;D

It is a nice pre, you won't have too much trouble getting the phish out of it
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"Peace is for everyone"
        - Norah Jones

"Music is the drug that won't kill you"
         - Fran Lebowitz
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