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Author Topic: Extremely strange SLA problem....  (Read 2129 times)

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Offline Nick Graham

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Extremely strange SLA problem....
« on: November 16, 2005, 12:01:16 PM »
Last night I was testing all my gear to get ready for Mule tonight (as I do the night before every show), and ran into a major problem - when I connected the M1 to the 6v SLA, nothing happened. My first thought was that somehow it'd died, but luckily I had another fully charged 6v in my gear closet. Hooked it up, again, nothing happened. Hmmmm....maybe it's the power cable? I have another of those too! Swapped it out, again zilch.

Now I start getting really worried - maybe it's the deck. Tried hooking everything (both SLAs, both power cables) up to my D100, still nothing. It's impossible to isolate the problem, since I have 2 of everything, and nothing's working. I then hooked both the M1 and D100 to the AC Wall Wart, both powered up just fine.

Here's where things get weirder....I then tried my D8, both SLAs powered it up just fine. Then, I tried the M1 and D100 on AAs, both were fine.

WTF?

It's not the SLAs, as both of them powered up the D8, ditto for the power cables.

It's not the M1 or D100's input jack, as they both worked fine on A/C power....and they're not internally fried, 'cause AAs worked okay.

I've used both SLAs and both cables on both the M1 and D100 numerous times, and they always worked fine. What could have possibly happened?

Right now nothing...in the past: Schoeps CMC6, AKG 480, AKG 460, AKG 414, MBHO 603a, Neumann KM100, ADK TL>Schoeps MK4, Schoeps MK2, Schoeps MK41, AKG ck61, AKG ck62, AKG ck63, Neumann AK40, Neumann AK50, MBHO ka200>Lunatec V2, Lunatec V3, Apogee Mini-Me, Oade M148, Oade M248, Sound Devices MP2, Sonosax SXM2>Sony (mod)SBM1, Apogee AD500>D7, D8, D100, M1, R1, R4, R09, iRiver HP120, Microtrack

Offline fozzy

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Re: Extremely strange SLA problem....
« Reply #1 on: November 16, 2005, 12:03:59 PM »
May be some corrosion on the batter terminals that worked its way out after a few unpluggings on the SLA?

MK 4V > KCY 250/5 Ig (KS 10I)  > VST62IUg > 722

Offline Chuck

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Re: Extremely strange SLA problem....
« Reply #2 on: November 16, 2005, 02:28:46 PM »
Do you have a VOM?
Start checking wires.
Reality is merely an illusion, albeit a very persistent one.

Microphones: AKG C 480 B comb-ULS/ CK 61/ CK 63, Sennheiser MKE 2 elements,  Audix M1290-o, Micro capsule active cables w/ Naiant PFA's, Naiant MSH-1O, Naiant AKG Active cables, Church CA-11 (cardioid), (1) Nady SCM-1000 (mod)
Pre-amps: Naiant littlebox, Naiant littlekit v2.0, BM2p+ Edirol UA-5, Church STC-9000
Recorders: Sound Devices MixPre-6, iRiver iHP-120 (Rockboxed & RTC mod)

Recordings on the LMA: http://www.archive.org/bookmarks/ChuckM
Recording website & blog: http://www.timebetweenthenotes.com

Offline Chris K

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Re: Extremely strange SLA problem....
« Reply #3 on: November 16, 2005, 04:06:21 PM »
is the m1/d100 4.5volts? will it work with 6v?
My gear: JK Labs AKG DVC > M10
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Offline Lengthwise

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Re: Extremely strange SLA problem....
« Reply #4 on: December 05, 2005, 02:52:35 PM »
is the m1/d100 4.5volts? will it work with 6v?

it will until you blow the ac in on the deck.....
4/kc5/6>PSP3>MiniMe>661

 

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