Aussie 15 inchers for OB

gainphile · 16th July 2008, 01:49 AM

The cost to import Alpha 15A's from the US is quite prohibitive. There's not much options locally here except those designed for car subwoofers and they are always stiff, low Qts items.

Then I noticed DJCity is selling 15" woofers with Qts of 0.57. Not as high as the Alpha, but much better than most car subs.

Has anyone had the experience in using these woofers on OB? The plan in mind is to build something like Jamo reference.

# Nominal diameter: 15” 376.5mm
# Ohms: 8 ohms
# Power handling Peak: 200 watts
# Power Handling RMS: 100watts
# Sensitivity: 97 db
# Frequency Range: 52-4500hz

# Thiele-Small Parameters
# Fs 52.8Hz
# Re 6 Ohms
# Sd 34.6 sq.mm
# Qms 9.9
# Qes 0.60
# Qts 0.57
# Mms 21.9gr.
# BL 10.45 Tm
# Xmax +/- 5 mm
# Le 1.6mH
# Ref 97dB

BHTX · 16th July 2008, 02:02 AM

You'll have to use a lot of EQ.

cixelsid · 16th July 2008, 02:27 AM

Check with http://www.audiomarketplace.com.au/

to see if they're stocking the new Exodus DPL-15 from DIY Cable
http://www.diycable.com/main/product...roducts_id=684

gainphile · 16th July 2008, 03:42 AM

Quote:

Originally posted by BHTX
You'll have to use a lot of EQ.

Yes I'm pretty much an active (eq) man...

Andy G · 16th July 2008, 03:56 AM

available from WES components. pretty cheap too !!

Cloth Ears · 16th July 2008, 04:13 AM

Quote:

Originally posted by gainphile
The cost to import Alpha 15A's from the US is quite prohibitive. There's not much options locally here except those designed for car subwoofers and they are always stiff, low Qts items.

I got the Alphas from the US, $85each including postage, last year. I can't find that deal again at the moment, but I think it looked like being about $100US each ($103Aus at the moment) including postage last time I looked. that was for a pair, it might be a little cheaper for 4.

Quote:

Originally posted by Andy Graddon
available from WES components. pretty cheap too !!

Andy, sensitivity is a bit low for a passive crossover OB (OK for active, I guess). Same thing goes for a similar driver from Jaycar (which doesn't handle nearly as much power).

Andy G · 16th July 2008, 04:24 AM

fortunately I still a pair of the old Jaycar 15" pA drivers qts=.68, sensitivity = 96dB. and very nice sounding mid response to boot.

soon !!! maybe

PeteMcK · 16th July 2008, 06:31 AM

These P-Audio 15"ers are a good price, with lower Fs,
downside not quite as efficient (use 2/side) and lower Qt...

http://www.cannononline.com.au/store...?idProduct=379

Brett · 16th July 2008, 08:05 AM

Quote:

Originally posted by gainphile
The cost to import Alpha 15A's from the US is quite prohibitive.

$US65/driver and about the same for postage makes them $A140 landed worst case.
Don't use anyone that ships UPS/Fedex and send them USPS air.

I have about 8 B15's NIB I'll let go to clear some space if that'll help.

wilco · 17th July 2008, 12:31 AM

how about $100 each...?

http://www.audiomarketplace.com.au/component/option,com_adsmanager/page,show_ad/adid,22/catid,1/Itemid,91/

16th July 2008, 01:49 AM	#1
gainphile diyAudio Member Join Date: Dec 2007 Location: Melbourne the sunny city!	Aussie 15 inchers for OB The cost to import Alpha 15A's from the US is quite prohibitive. There's not much options locally here except those designed for car subwoofers and they are always stiff, low Qts items. Then I noticed DJCity is selling 15" woofers with Qts of 0.57. Not as high as the Alpha, but much better than most car subs. Has anyone had the experience in using these woofers on OB? The plan in mind is to build something like Jamo reference. # Nominal diameter: 15” 376.5mm # Ohms: 8 ohms # Power handling Peak: 200 watts # Power Handling RMS: 100watts # Sensitivity: 97 db # Frequency Range: 52-4500hz # Thiele-Small Parameters # Fs 52.8Hz # Re 6 Ohms # Sd 34.6 sq.mm # Qms 9.9 # Qes 0.60 # Qts 0.57 # Mms 21.9gr. # BL 10.45 Tm # Xmax +/- 5 mm # Le 1.6mH # Ref 97dB __________________ http://gainphile.blogspot.com

16th July 2008, 06:31 AM	#8
PeteMcK diyAudio Member Join Date: Feb 2002 Location: Sydney	These P-Audio 15"ers are a good price, with lower Fs, downside not quite as efficient (use 2/side) and lower Qt... http://www.cannononline.com.au/store...?idProduct=379 __________________ ‘today… there lives alongside the twentieth century the tenth or thirteenth. A hundred million people use electricity and still believe in the magic power of signs and exorcisms” Trotsky

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16th July 2008, 02:02 AM	#2
BHTX diyAudio Member Join Date: Feb 2006	You'll have to use a lot of EQ.

16th July 2008, 02:27 AM	#3
cixelsid diyAudio Member Join Date: Oct 2007	Check with http://www.audiomarketplace.com.au/ to see if they're stocking the new Exodus DPL-15 from DIY Cable http://www.diycable.com/main/product...roducts_id=684

16th July 2008, 04:24 AM	#7
Andy G diyAudio Member Join Date: Apr 2002 Location: Newcastle, Australia	fortunately I still a pair of the old Jaycar 15" pA drivers qts=.68, sensitivity = 96dB. and very nice sounding mid response to boot. soon !!! maybe

17th July 2008, 12:31 AM	#10
wilco diyAudio Member Join Date: Mar 2006 Location: Perth, WA	how about $100 each...? http://www.audiomarketplace.com.au/component/option,com_adsmanager/page,show_ad/adid,22/catid,1/Itemid,91/

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