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Credence subwoofer performance curve

 

Here's a way to help make your home theater subs as cool looking as those in your car! Build this system into a cabinet with one or more heavy Plexiglas or glass panels. Maybe even add some neon if you are really outrageous (or just want the most eye-catching nightlight in town!) As for sound - great bass down to 20 Hz. Yes, we said 20 Hz! If you play a lot of heavy rap or "sonic blockbusters" you should add a sharp High Pass filter at 18 Hz. Use four or more subs if you want lots of SPL and have no close neighbors. Notes: Each woofer's port is 16" long and 4" I.D. Each woofer's impedance with the coils in parallel is 2 ohms with sensitivity of 91.2 dB/2.00v/1mtr. Remember..this is not a shielded design, so don't set your new CRT on top of your 8-woofer neon-plexi-chrome monolith.