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<blockquote data-quote="Sean Reeser" data-source="post: 13663" data-attributes="member: 10437">Hello all. I&#039;m new here, so I just have to hope this is a good place to ask about this. I&#039;m having an electronics engineering type of problem.I&#039;m trying to figure out how to make myself a mute switch and volume adjustment, either in the same unit or with the mute on my pocket and the adjuster on the floor. The fun part is that I use a condenser-based instrument mic that needs 48V phantom power, so anything I use has to pass that voltage. That also means I can&#039;t convert any line-based gear.The volume control is what&#039;s really throwing me for a loop. I know very few normal pots can survive 48V, so I need an alternative. I know there are rheostats that can take that voltage - can they be used in this application? Are there any other types of variable resistors I should look at?Also, I don&#039;t know how I would go about wiring such an adjuster - I&#039;d be concerned that it might make a lot of noise if I run it the same way as guitar stuff. Can anyone help me there?Thanks.P.S. I do know a bit more about engineering than your average musician, and I have relatives with all manner of engineering degrees if you toss me something I don&#039;t understand.</blockquote>

[QUOTE="Sean Reeser, post: 13663, member: 10437"] Hello all. I'm new here, so I just have to hope this is a good place to ask about this. I'm having an electronics engineering type of problem. I'm trying to figure out how to make myself a mute switch and volume adjustment, either in the same unit or with the mute on my pocket and the adjuster on the floor. The fun part is that I use a condenser-based instrument mic that needs 48V phantom power, so anything I use has to pass that voltage. That also means I can't convert any line-based gear. The volume control is what's really throwing me for a loop. I know very few normal pots can survive 48V, so I need an alternative. I know there are rheostats that can take that voltage - can they be used in this application? Are there any other types of variable resistors I should look at? Also, I don't know how I would go about wiring such an adjuster - I'd be concerned that it might make a lot of noise if I run it the same way as guitar stuff. Can anyone help me there? Thanks. P.S. I do know a bit more about engineering than your average musician, and I have relatives with all manner of engineering degrees if you toss me something I don't understand. [/QUOTE]

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