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Charles Lemon
 
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Default L-Pad as Volume Control - HELP!

Hi all,

I'm hoping someone out there can help settle an issue for me. I am in
the process of building a basic 2-way floor/stage monitor (wedge type,
8"woofer, 3" piezo tweeter with a 6.0 uF cap in series to cut the low
frequencies, woofer running full range)to be used as part of the sound
sytem set-up for a small kids show. I'd like to build in a simple,
effective volume control. My question is will an L-pad of sufficient
wattage do the trick?

Here's my set-up: One old but functional Realistic MPA-80 PA amp rated
at 80 watts @ 4 Ohms. Currently I run a pair of 8 Ohm 2-way PA
speakers in parallel (4 Ohm load). I plan to run the 3-speaker setup
in series-parallel at a 5.33 Ohm load. By my calculations, each
speaker should then be getting about 60 watts of actual power.

On the face of it, I would assume that a 100watt 8 Ohm mono L-pad
would allow me to effectively reduce the output from the floor
monitor. Is this a correct assumption, or will I just burn out the
L-pad? Is there a different switch/pot I should be using instead?

Your input is greatly appreciated.
 
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