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Crossover Diagram?

Hey Guys,

New to TalkBass, was wondering if anyone could help me with a wiring problem. Im more of a guitar tech than an amp tech so here it goes. I recently upgrading my rig, I got an Ashdown 300EVO and an old peavy 15'' cab. no problems with the amp, it sounds great. The cab was a little beat up, but I got it at a good deal, I am currently refurbishing it to make it look brand new. it came with 1 15'' black widow which was busted so Im using a Eminence Delta tone until the Widow gets re-coned. I wanted to add a horn to the cab for better highs so I got a used Behringer 8ohm horn. So heres my question, I got a L-pad/ attenuator switch with the correct capacitor and a neutrik 1/4" locking input jack, but I want to add a DPDT on/off switch to have a hi cut during a song or have it for on the fly without having to dial the L-pad to minimum. I got the idea from the guys at fEarfull, so can anybody help me with a diagram? Thanks!
 
If there's no lowpass parts on the 15 you could do it with a simple on/off switch before the cap/lpad. Run 2 sets of wires off the input jack, one set straight to the 15, the other set jack -> switch -> cap/lpad -> tweeter. May want to think about passing the tweet steeper than 1st order so it's not harsh or overpowered or at least set the cap up at 5-6khz.
 

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