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Multi-Way Conventional loudspeakers with crossovers

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Old 20th July 2013, 02:58 AM   #1
diyAudio Member
Join Date: Feb 2002
Location: Western Sydney
Default Jaycar exciter

Broke out my Arta Jig for the first time in a while, playing with this gizmo:70mm Flat Panel "exciter" Speaker - Jaycar Electronics
plan is to use it in a cigar box guitar, thought the impedance plot might be of interest (the suspension on this this is very heavy, I suspect the Fs will drop quite a bit after serious break in)
Q&D TSPs: Fs = 212.27 Hz
Re = 7.60 ohms[dc]
Le = 116.97 uH
Qt = 2.99
Qes = 3.69
Qms = 15.91
Vas = 0.09 liters
Sd= 38.48 cm^2
Lp(2.83V/1m) = 75.61 dB
Attached Images
File Type: jpg EXCITER.jpg (77.5 KB, 47 views)
Impedance varies with frequency, use impedance plots of your drivers and make crossover calculations using the actual impedance of the driver at the crossover frequency
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