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Analog Line Level Preamplifiers , Passive Pre-amps, Crossovers, etc.

composite to XLR
composite to XLR
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Old 13th March 2006, 04:33 PM   #1
Skoda_101 is offline Skoda_101  Canada
diyAudio Member
Join Date: Jan 2006
Location: Qc
Default composite to XLR

I have recently run into a problem I got a pro amplifier that has some age to it (around the 60's -70's) it only has XLR input on it. My preamp only has composite jacks and I was wondering if it were possible to get the amp working without having to use opamps to transfer it to XLR.

Thanks in advance
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Old 13th March 2006, 04:54 PM   #2
sreten is offline sreten  United Kingdom
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Join Date: Nov 2003
Location: Brighton UK

you can connect one side of a balanced input to ground and drive the other input.

No op-amps needed.

Sometimes amplifiers have XLR input sockets but are not actually balanced.

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Old 15th March 2006, 08:50 AM   #3
AndrewT is offline AndrewT  Scotland
diyAudio Member
Join Date: Jul 2004
Location: Scottish Borders
look up Rane notes for interconnects and grounding.

Shows how to wire up an adaptor for XLR to RCA and RCA to XLR
i.e. unbalanced to balanced interconnects.
regards Andrew T.
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