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Author Topic: Powering SP at933s  (Read 1722 times)

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Offline John Kelly

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Powering SP at933s
« on: August 28, 2003, 06:28:22 PM »
Right now I'm running a modified AD-20 which powers my at933s with battery power.  However, I'm very tempted to get a new preamp, and I'm looking at the M-Audio Firewire 410.  The thing is, that pre only provides phantom power (like most other preamps out there) and I don't have a battery box.  

I've seen this discussion before, but I never found a solid answer.  Can the SP models of the at933s be powered by 48v phantom power?  Has anyone actually *tried* it?  
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Offline blu666z

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Re:Powering SP at933s
« Reply #1 on: August 28, 2003, 07:11:34 PM »
I have never tried it myself but I don't think they can take 48v.  My AT ES943s take 9v.  I'm thinking 48v wuold fry their asses.

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Offline John Kelly

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Re:Powering SP at933s
« Reply #2 on: August 28, 2003, 07:31:15 PM »
See I've heard the opposite (and that phantom power and battery power are pretty different), but I was wondering if anyone had tried it...
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Offline nickgregory

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Re:Powering SP at933s
« Reply #3 on: August 28, 2003, 08:05:06 PM »
I have heard folks have hooked up their 853 based SP mics to 48v phantom and they here the mics crackle...definitely not a good sign...I believe I heard in the past that someone asked Chris at Sound Pros and he said that they were not wired to accept anything higher than 9 volts...
« Last Edit: August 28, 2003, 08:05:19 PM by nickgregory »

Offline leegeddy

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Re:Powering SP at933s
« Reply #4 on: November 03, 2003, 11:58:34 PM »
>>Can the SP models of the at933s be powered by 48v phantom power?

yes you can, but you'll need the AT Phantom Power adaptors.  the model # is AT8533 9-52V Phantom Power Module.  

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