westra box help!

umut1001 · 7th October 2008, 09:52 PM

hi..i am gonna make a loudspeaker with old westra speakers..they are made in germany and nowadays there are many made in china and low end speakers selling in my country..i am happy i find them.i am trying many speakers nowadays.but i couldnt calculate the cabinet diameters with programmes for westra kw200-1316 ..there is -717 liters the result of programme..do you think this parameters are true ?

Belatbarkeit: 70 W-RMS / 120 W-Max
Impedanz: 6 Ohm
Schalldruck: 86 dB
Freuqenzbereich: 30-2000 Hz
Resonanzfrequenz fs: 30 Hz
Gesamtgüte Qts: 0,74
Äquivalentvolumen Vas: 69 l
Einbaumaße:
Außenmaße BxH: 202x202 mm / ø 200 mm
Einbaudurchmesser: 185 mm
Einbautiefe (incl. Korb): 90 mm
Korbrandhöhe: 8,0 mm (incl. Gummiauflage)
Gewicht: 1,1 kg

does anyone have a ready to make box for my westra speakers?..thanks .danke schön

http://www.hellsound.de/index1.html

umut1001 · 7th October 2008, 10:18 PM

here is the tweeter i will use . wdt-25-808 .it is very nice sounding silk dome tweeter..

umut1001 · 7th October 2008, 10:20 PM

here is the bass driver

Juergen Knoop · 7th October 2008, 10:22 PM

nice tweeter - is it an old Polish made Tonsil?

regards

umut1001 · 7th October 2008, 10:23 PM

i dont know..it is made in germany i think..

Juergen Knoop · 7th October 2008, 10:46 PM

ok, no problem, I haven't seen them quite a long time.
Regarding the woofer, I would try a closed box, maybe 40l
regards

Trushar · 7th October 2008, 10:50 PM

What could be the tweeter's prize in US$?

umut1001 · 7th October 2008, 11:02 PM

its about 25dollars now.not much

umut1001 · 7th October 2008, 11:13 PM

but its silk dome and sounds very good

anyone has an idea about the box? maybe i will try closed box.but i am not sure about volume

Juergen Knoop · 7th October 2008, 11:33 PM

the Qts looks quite high in value and so you can't use the typical recommended closed or reflexed box alignments for this woofer.
40l seems a good compromise to me. If you have access to cheap chipboard, why not build a test enclosure first?
regards

7th October 2008, 09:52 PM	#1
umut1001 diyAudio Member Join Date: Mar 2007 Location: Istanbul	westra box help! hi..i am gonna make a loudspeaker with old westra speakers..they are made in germany and nowadays there are many made in china and low end speakers selling in my country..i am happy i find them.i am trying many speakers nowadays.but i couldnt calculate the cabinet diameters with programmes for westra kw200-1316 ..there is -717 liters the result of programme..do you think this parameters are true ? Belatbarkeit: 70 W-RMS / 120 W-Max Impedanz: 6 Ohm Schalldruck: 86 dB Freuqenzbereich: 30-2000 Hz Resonanzfrequenz fs: 30 Hz Gesamtgüte Qts: 0,74 Äquivalentvolumen Vas: 69 l Einbaumaße: Außenmaße BxH: 202x202 mm / ø 200 mm Einbaudurchmesser: 185 mm Einbautiefe (incl. Korb): 90 mm Korbrandhöhe: 8,0 mm (incl. Gummiauflage) Gewicht: 1,1 kg does anyone have a ready to make box for my westra speakers?..thanks .danke schön http://www.hellsound.de/index1.html

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7th October 2008, 10:22 PM	#4
Juergen Knoop diyAudio Member Join Date: Jan 2007 Blog Entries: 3	nice tweeter - is it an old Polish made Tonsil? regards

7th October 2008, 10:23 PM	#5
umut1001 diyAudio Member Join Date: Mar 2007 Location: Istanbul	i dont know..it is made in germany i think..

7th October 2008, 10:46 PM	#6
Juergen Knoop diyAudio Member Join Date: Jan 2007 Blog Entries: 3	ok, no problem, I haven't seen them quite a long time. Regarding the woofer, I would try a closed box, maybe 40l regards

7th October 2008, 10:50 PM	#7
Trushar diyAudio Member Join Date: Oct 2008	What could be the tweeter's prize in US$?

7th October 2008, 11:02 PM	#8
umut1001 diyAudio Member Join Date: Mar 2007 Location: Istanbul	its about 25dollars now.not much

7th October 2008, 11:13 PM	#9
umut1001 diyAudio Member Join Date: Mar 2007 Location: Istanbul	but its silk dome and sounds very good anyone has an idea about the box? maybe i will try closed box.but i am not sure about volume

7th October 2008, 11:33 PM	#10
Juergen Knoop diyAudio Member Join Date: Jan 2007 Blog Entries: 3	the Qts looks quite high in value and so you can't use the typical recommended closed or reflexed box alignments for this woofer. 40l seems a good compromise to me. If you have access to cheap chipboard, why not build a test enclosure first? regards

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