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In Reply to: RE: Tweeter update posted by Tadlo on December 16, 2011 at 07:26:44
I like to keep 1,2, 3 and 4 ohm resistors in stock in pairs two of ech value. With those you can make any combination 1,2,3,4,5(3+2),6 (3+2+1), 7 (3+4), 8 (3+1+4), 9 (3+4+2)and 10 (1+2+3+4)
just 1, 2 and 3 can be used to get up to 6.
try just 1 ohm first, then 2 and so on.
Another option..wire in a pad in the circuit but just leave it inside the cabinet adjusted to where you want it. Some trial and error installing and reinstalling the tweeter will be involved but so also will the experiments with the individual series resistors.
For that matter you dont need to cut a big hole in the cabinet to install a pad--just a drilled hole 1/4" or so for the shaft long enough so the knob can be placed over...the rest of it is inside the speaker.
David
Follow Ups:
Thanks, David. To narrow the field a little, do you have any idea how ohms of resistance correlate with db of attenuation?
The amount of attenuation for a given resistor depends on the impedance of the tweeter. For example, a 1 ohm resistor will give twice the attenuation with a 4 ohm tweeter as it will with an 8 ohm. With an 8 ohm tweeter, 1 ohm will give about 1 dB of attenuation.
Jerry
thats an empirical experiment that uses the ears.
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