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Vifa Tweeter [message #49001] Fri, 03 March 2006 06:17 Go to next message
dB is currently offline  dB
Messages: 234
Registered: May 2009
Master
Hi Wayne,
Do you have a Spice file for your Vifa DX tweeter that I can use to model a x-over(?). (And one for Beyma CP-21/JBL-clone?)
Best Regards

Vifa DX25 Tweeter - Spice values [message #49002 is a reply to message #49001] Fri, 03 March 2006 09:38 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18783
Registered: January 2001
Illuminati (33rd Degree)

The DX25 voice coil has 2.75Ω resistance and 0.03mH inductance. It's mechanical resonance can be simulated with LCR values of 2.4mH, 24μF and 13Ω. A Spice model is shown below:
! tweeter virtual circuit (DX25)
! voice coil reactance
R1 2 3 2.75
L1 3 4 0.03mH
! mechanical reactance
L2 4 0 2.4mH
C2 4 0 24uF
R2 4 0 13

Re: Vifa DX25 Tweeter - Spice values [message #49004 is a reply to message #49002] Fri, 03 March 2006 17:03 Go to previous message
dB is currently offline  dB
Messages: 234
Registered: May 2009
Master
Great. Thanks Wayne.


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