Some information please

ivorthedj · 17th June 2009, 07:40 PM

Hi Everyone,

I have aquired some old Seas Kit303 loudspeakers and although i have the brochure i need details of the crossover.

Does anyone have a schematic?

Thanks

PeteMcK · 18th June 2009, 12:49 AM

Some data & crossover frequencies here:
http://www.troelsgravesen.dk/33FWK_f...t_Brochure.pdf
if you have the model numbers you may be able to find individual driver parameters here:
http://www.seas.no/index.php?option=...d=29&Itemid=53

that would be enough info to get a basic crossover together, but if these are old drivers you’re best to measure them anyway, their parameters have probably changed over the years

ivorthedj · 18th June 2009, 02:00 PM

Thankyou, i have the brochure that you mention and am in contact with Troels whch is why i need the data for the crossover.

A little more information..the kits are working well but the bass drivers were not original and after speaking to Troels he suggested a replacement. Although these seem ok, i feel i need to change values slightly on the crossover and to do that i would need the inductor values, although i guess i could measure them?

Anyway thanks for your help.

17th June 2009, 07:40 PM	#1
ivorthedj diyAudio Member Join Date: Jun 2009	Some information please Hi Everyone, I have aquired some old Seas Kit303 loudspeakers and although i have the brochure i need details of the crossover. Does anyone have a schematic? Thanks

18th June 2009, 12:49 AM	#2
PeteMcK diyAudio Member Join Date: Feb 2002 Location: Western Sydney	Some data & crossover frequencies here: http://www.troelsgravesen.dk/33FWK_f...t_Brochure.pdf if you have the model numbers you may be able to find individual driver parameters here: http://www.seas.no/index.php?option=...d=29&Itemid=53 that would be enough info to get a basic crossover together, but if these are old drivers you’re best to measure them anyway, their parameters have probably changed over the years __________________ 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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18th June 2009, 02:00 PM	#3
ivorthedj diyAudio Member Join Date: Jun 2009	Thankyou, i have the brochure that you mention and am in contact with Troels whch is why i need the data for the crossover. A little more information..the kits are working well but the bass drivers were not original and after speaking to Troels he suggested a replacement. Although these seem ok, i feel i need to change values slightly on the crossover and to do that i would need the inductor values, although i guess i could measure them? Anyway thanks for your help.