P13 Frequency Response added to the Port Response (measured):
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P13 Frequency Response added to the Port Response (simulated):
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Optimized Phase Delays for D27 & P13
The Experimental SPL response matches the Total SPL response (500Hz - 20kHz)
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A Model test with a 6.2uF cap in-line with the D27 tweeter (note the added impedance plots)
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A Model test with a 16uF cap in-line with the D27 tweeter (note the added impedance plots)
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P13 Motor Parameters
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Impedance magnitude plot matched with the Motor Parameters shown above
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Impedance magnitude plot relative error of Motor Parameters matched to measured data
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Circuit file used in the Calsod simulations
! Data file for Vifa D27TG and Vifa P13WH
! This file is used for determining the time-alignment
! of the drivers, concentrated over the crossover region,
! 1kHz to 6kHz
! *** 03/25/01 ***
!
CIRCUIT
!
SPK 1 0 2 0.0000 0.0000 0.0000 0.00 POSITIVE
SPK 2 0 1 0.0000 0.0000 0.0000 0.00 POSITIVE
!
! Test cap for verifying simulation model
!
CAP 6.2E-6 1 2 FIXED
!CAP 16.0E-6 1 2 FIXED
!
DRIVER 1
D27TG
SOUND PRESSURE
FILE ASFRD LOUDTWT.FRD 0.000314 0.000314 SECONDS 0.0 DB
!
IMPEDANCE
FILE ASZMA D27_1.ZMA 0.0 0.0 SECONDS 1.0 LINEAR
!ICR 4.6
!
DRIVER 2
P13WH
SOUND PRESSURE
FILE ASFRD LOUDWFR.FRD 0.0000000 0.000000 SECONDS 0.0 DB
!
IMPEDANCE
FILE ASZMA P13_1.ZMA 0.0 0.0 SECONDS 1.0 LINEAR
!ICR 5.7
!
TARGET SPL
XYZ 0.0 0.0 0.0
SEN 90.0 DB
!
EXPERIMENTAL SPL
FILE ASFRD CAP6UF2.FRD 0.000 0.000 SECONDS 0.0 DB
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