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Old 5th January 2007, 12:11 AM   #1
Okie is offline Okie  United States
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Default High/Low Impedance speakers

I sing with a praise band at church. Someone donated 4 new monitors to replace our aged ones. The old speakers have RCA (Phono) jacks and the new speakers have XLR type jacks. Simple Ohm's law tells me that lowering the impedance will increase the amperage, but does this apply to these speakers?
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Old 5th January 2007, 12:21 AM   #2
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What makes you think they are different impedance? XLRs are common on all types of box. Even if they are lower impedance, we should still be able to get you sorted. Do you have access to a simple multimeter that can measure resistance, and could you tell us about the amp that you use to drive them?
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Old 5th January 2007, 12:48 AM   #3
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Perhaps he's talking about the characteristic 110 impedance of the XLR vs 75 of RCA?
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Old 5th January 2007, 03:33 AM   #4
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Quote:
Originally posted by 454Casull
Perhaps he's talking about the characteristic 110 impedance of the XLR vs 75 of RCA?
That's it, and the old monitors are 8 ohms each and the new are 4 ohms.
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Old 5th January 2007, 03:37 AM   #5
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Are they self powered?
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Old 5th January 2007, 01:13 PM   #6
Okie is offline Okie  United States
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Yes, they have a 120v power cord on each new monitor.
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Old 5th January 2007, 01:24 PM   #7
imix500 is offline imix500  United States
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Let me guess, Hotspots or Anchors?
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Old 5th January 2007, 07:25 PM   #8
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Quote:
Originally posted by imix500
Let me guess, Hotspots or Anchors?
I don't know
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Old 5th January 2007, 09:44 PM   #9
imix500 is offline imix500  United States
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Hey Okie, so what you will want to look at is what the monitors are fed from. Does the RCA cable plug into a snake cable that goes to the mixer in a remote location or is the mixer right there?
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Old 5th January 2007, 10:49 PM   #10
Okie is offline Okie  United States
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No snake. RCA jacks are mounted on stage with the wire running in conduit to the back of the Auditorium and connected to a sound mixer board (screw terminals).
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