Home » Sponsored » Pi Speakers » 4pi: Cabinetmaker's build
Re: 4pi: Cabinetmaker's build [message #99565 is a reply to message #99564] Tue, 07 July 2026 20:13 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 19057
Registered: January 2001
Illuminati (33rd Degree)

That chart shows the overall tonal balance, but it can't show the sharp dips we would expect to see from a crossover null.

If the polarity is right, you'll see nulls at approximately +-20 degrees above and below the speaker.  If it's wrong, you'll see a null on-axis.

Watch this video to understand what I'm expecting to see:
Re: 4pi: Cabinetmaker's build [message #99568 is a reply to message #99291] Wed, 08 July 2026 08:10 Go to previous message
dustboy is currently offline  dustboy
Messages: 13
Registered: March 2026
Chancellor
What is the test signal you are using there?
Previous Topic: 4Pi plans
Next Topic: Pi Speakers FAQ
Goto Forum:
  


Current Time: Wed Jul 08 10:47:41 CDT 2026

Sponsoring Organizations

DIY Audio Projects
DIY Audio Projects
OddWatt Audio
OddWatt Audio
Pi Speakers
Pi Speakers
Prosound Shootout
Prosound Shootout
Miller Audio
Miller Audio
Tubes For Amps
TubesForAmps.com

Lone Star Audiofest