Passive Preamplifiers

Here is a basic schematic for an excellent passive 'preamp':

passive pre.gif (2249 bytes)

The Perfect Subwoofer

Note: I think I know what I'm doing here at the outset, so I have arrogantly titled this project "The Perfect Subwoofer". If the result is only an improvement over my previous reference, I'll be very happy. I also realize that perfect in one system might be anything but perfect in another. How is this possible?


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