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motosapien 24th June 2011 01:19 PM

Attenuating the CSS EL70
I should mention that I'm pushing my speakers with an NAD solid state amp and it's likely there could be amps out there that are better damped and a better match for these drivers.

Using a low dcr inductor and a 10 or 15 watt resistor wired parallel does the trick. I ended up with a .60 mh / 4 ohm. Higher value inductors really raised the bass, like a loudness switch. It is subtle but effective. I've not found the need to attenuate FM broadcast and very rarely vinyl but often on CD's. It is also useful when you want to listen a bit louder than normal.

I will probably install this inside my cabinet with a switch so I can run unfiltered when I listen to the radio or vinyl. If you've noticed some harshness on certain recordings with your EL70's this is a very good fix.

jimbro 24th June 2011 08:11 PM

Thanks for sharing.

motosapien 25th June 2011 09:20 AM

I meant to include this link to the Seas data sheet where they have used this on their budget full ranger,

Shows a wiring schematic and explains how it works.

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