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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)
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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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