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Joined:
November 2004
Posts: 367
Location: Eaton, Indiana | I just bought a Adamas 597 with a VIP preamp. It will not function on the xlr output without the
regular guitar cord being plugged in. Is this
normal? And yes, I do have the phantom power turned on on the mixer.
scott lamperd b c (before computers) |
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Joined:
February 2002
Posts: 5750
Location: Scotland | the phantom will not power up the preamp without a slight mod to the XLR cable. You need to connect the ground (Pin 1) to the XLR casing. This is known as a ground-to-shell short. Should work just fine one you've done what is an annoying and unnecessary mod. The Optima didn't need this and subsequent preamps shouldn't have needed it either |
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November 2004
Posts: 367
Location: Eaton, Indiana | Thanks Paul, I appreciate the help! Hope you have a wonderful Christmas.
scott lamperd b c (before computers) |
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September 2005
Posts: 3619
Location: GATLINBURG TENNESSEE :) | ...Just a dumb question...but if it wasn't needed, why did they make them this way? To sell cables? |
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February 2005
Posts: 11840
Location: closely held secret | Paul's absolutely right. Annoying & unnecessary.
Scott, I've found a lot of XLR cables are already wired this way (ground to shell). If you have a continuity tester or ohmmeter it's easy enough to test it. On the female end (that plugs into the guitar) test between pin 1 and the casing. If there is no resistance, it should work. |
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Joined:
November 2004
Posts: 367
Location: Eaton, Indiana | Thanks for the assistance. I'll get out my soldering gun.
scott lamperd b c (before computers)
Adamas 597
1989 8461
Aluminum neck Applause x 2
Newer applause in pieces |
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VIP Preamp question
