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Author Topic: Does Size Matter?  (Read 2287 times)

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Offline Flip

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Does Size Matter?
« on: February 21, 2009, 05:24:32 PM »
Now get your mind out of the gutter.  I’m talking about the cable size between male and female XLR.

I made a cable for my LSD2 out of some 20 AWG silver Teflon cable (M27500-20SP5S23).  I use a PS2 to supply the phantom power.  A 9V battery ran around 2 hours with the cable that came with the mic.  With the new cable the low battery light is comming on at 80 minutes.

Does a bigger cable take more juice to supply the phantom power to the mic?  Does the size of the cable change the sound?

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Offline Krispy D

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Re: Does Size Matter?
« Reply #1 on: February 21, 2009, 05:31:12 PM »
I've never thought about this before... Logic would have that a cable with a higher amount of resistance would require more power... larger cable does not necessarily mean more resistance, but it could.
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Offline H₂O

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Re: Does Size Matter?
« Reply #2 on: February 21, 2009, 11:01:40 PM »
The resistance should be negligible and not noticeably affect battery draw.

Have you verified there is no grounding issues with the new cable?

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Offline Flip

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Re: Does Size Matter?
« Reply #3 on: February 22, 2009, 10:53:43 AM »

I split one of the 5 cables and the shield for grounding.  Both seem to be fine.


Flip

Offline Flip

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Re: Does Size Matter?
« Reply #4 on: February 22, 2009, 12:41:31 PM »
Thank's  for the help

I pick up a multimeter and take some measurements

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