Home » Audio » Speaker » Measured T/S parameter for Goodmans Axiette 8 II
Measured T/S parameter for Goodmans Axiette 8 II [message #21591] Mon, 12 June 2006 07:42 Go to next message
GarMan is currently offline  GarMan
Messages: 960
Registered: May 2009
Illuminati (2nd Degree)
Yup. Another posting about my Goodmans. After searching for a couple of weeks and still not finding anything on these speakers, I decided to measure them myself. The resulting measurements are below:

Driv1 Drive2
Re 11.6 13.7
Fs 55 67
Qms 6.90 5.40
Qes 0.54 0.59
Qts 0.50 0.52
Vas 1.66 1.022

Obviously, I don't have a match pair. But despite the large difference between the two drivers, what I found surprising was they both model very simpilar response in the same enclosures and tuning.

A rule of thumb for these drivers have been 3000cc enclosure with 28 sq in, 6" len port. Modeling the above specs in this enclosure gives about a 4dB hump at 100Hz and a -3dB at 50Hz.

Gar.

Re: Measured T/S parameter for Goodmans Axiette 8 II [message #21592 is a reply to message #21591] Mon, 12 June 2006 07:47 Go to previous message
akhilesh is currently offline  akhilesh
Messages: 1275
Registered: May 2009
Illuminati (3rd Degree)
HI Gar,
These look somewhat similar to my trusonics 80Fr. THose have alower Fz (40 Hz) and a slight;y lower Qts (about .44).

I'd put the goodmans in a box tuned to about 60 Hz, and then cross them at 90 Hz with an active sub. I'm sure you've already considered that option.
-akhilesh

Previous Topic: Integrating full-range as wide-range
Next Topic: Something Different
Goto Forum:
  


Current Time: Sat Nov 30 22:24:27 CST 2024

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