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Gear / Technical Help => Ask The Tapers => Topic started by: bonghitwillie on November 12, 2020, 03:23:38 PM
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i am trying to convert dvds that will not read in a computer to hard drive. i have to play them back with a dvd player and the audio level is real hot to my converter box. i would need a 10db pad at whatever ohm rca line level is. can't i just use a resister? what size do i need? where to i put it? positive? negative? both? thank you in advance
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A simple voltage divider with two resistors will work fine here. first in path a series resistor, with a shunt resistor from signal to ground on the receiving end. You could make the series resistor a pot and dial it to the needed level reduction. I might try a 5K pot with a 1K resistor shunt; that's a guess. Scale both up or down as needed depending on the pot you have or can get easily, scale resistor smaller relative to full pot value if it's not enough reduction. Don't scale the entire thing below 2K, I would guess.
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even easier; just use a 5K or 10K pot as-is, take signal from sweeper into receiving device. connect it as close to receiving device as possible.
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If the simple resistor divider or pot is too much of a pain, Core Sound sells attenuator cables in varying attenuation values.
[Disclaimer: I own Core Sound.]