Revised MBOW1 3-Way

Revised Crossover for the Best Buy Insignia

Revised Crossover for the BR-1 Kit

Mod for Morel 403.5 3-Way


Revised Crossover for the Norh 9.0 Marble

The New Vifa Tower

Fixing the Polk RTi28

The MB20

The MB27

The Plop-in-the-Box

The Usher Two-Way

Revised Crossover for the Radio Shack LX550

Alternative Crossover for the Dynaudio Gemini

Crossover for the Revelator-RT1 Mini Monitor

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The Acoustic Research AR4x

A Tale of Two Cabinets

Tweeter Comparison

The RadioShack Minimus 7

JMLab Mezzo Utopia,
Tannoy Westminster,

Measurements for the Radio Shack LX550

Proac Super Tablette

Acoustic Research AR3a

Sound Dynamics RTS-3

Stock vs Modified Gemini

NHT Super One

Alternative Crossover for the Dynaudio Gemini

Here is a very simple crossover that provides flat response and excellent phase tracking using 3rd order acoustic slopes.  I believe the Geminis sound more focused and balanced with this design, although it sacrifices the real or imagined advantages of 1st order slopes.

Remember—there really are not any resistors in series with the inductors.  The values you see merely specify the target resistance value for a particular inductor.  For example, the .19 Ohm value for the woofer series inductor can be achieved using a 14 Ga Perfect Lay air core.