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P-Audio SN 15MB Dis-continued!

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reessi View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote reessi Quote  Post ReplyReply Direct Link To This Post Posted: 11 April 2013 at 10:35am

Thanks for your reply, I have compared the parameters and the P-Audio 15BM-300B 15" 300W would seam to be the closest match but the paramaters are not exactly the same, but I do not understand how to use the parameters to calculate if the box will work for the newer model? Do you think it will work ok without modificaton. I understand that there is an optimum air volume you want inside and the port length size is important!

P-Audio SN 15MB 300w old model:

Thiele-Small Parameters  
Resonant Fequency (fs) 47 Hz
Impedance (Re) 5.5 ohms
Coil Inductance (le) 0.85
Electromagnetic Q (Qes) 0.31
Mechanical Q (Qms) 8.31
Total Q (Qts) 0.30
Compliance Eqiv. Volume 176 liters
Mechanical Compliance of Suspension (Cms) 151 uM/N
BL Product (BL) 19.70 T-M
Diaphragm Mass incl. Airload (Mms) 75.7 grams
Equivalent Resistance of Mech. Suspension Loss (Rms) N/A
Efficiency Bandwidth Product (EBP) 151
Voice Coil Overhang (Xmax) 3.5mm
Surface Area of Cone (Sd) 907cm2


P-Audio 15BM-300B 15" 300W New model:

Re.....................................................................................5.7
Fs...................................................................................48hz
Mms................................................................92.19 grams
Mmd................................................................77.81
Qms..................................................................................5.39
Qes...................................................................................0.43
Qts....................................................................................0.40
Vas..................................................................123.35l
BI...............................................................................19.19
Cms.......................................................................1.2e-04 m/n
Rms.........................................................................5.10 ns/m
Le (at 1kHz)................................................................0.44 mh


Many thanks - Simon.

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cravings View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cravings Quote  Post ReplyReply Direct Link To This Post Posted: 11 April 2013 at 11:01am
winisd pro is the (free) software you want.

don't get hung up on the wattage.. it's not an important specification really.
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teeth View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote teeth Quote  Post ReplyReply Direct Link To This Post Posted: 20 October 2022 at 8:44am
where did you get to reesi?

i'd be interested in any recommendations of drivers for the X15 - the SN15MB is long long gone now, and p audio kit is hard to get hold of in the UK atm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cravings Quote  Post ReplyReply Direct Link To This Post Posted: 20 October 2022 at 8:55am
did you not get a driver?

i replaced some sn15mb in some xm15s with bms 15n620 for a while... they are good. think people also used to say eminence kappalite were also appropriate replacements
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teeth View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote teeth Quote  Post ReplyReply Direct Link To This Post Posted: 21 October 2022 at 8:55am
i did get one aye but it's in germany :(

also aware that if anything happens there's no way to recone it seems...

i'll look in to the kappalite - thanks
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Earplug Quote  Post ReplyReply Direct Link To This Post Posted: 21 October 2022 at 9:36am
Oh no - did it get stuck there?  Confused

What are you going to do?


Earplugs Are For Wimps!
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teeth View Drop Down
Young Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote teeth Quote  Post ReplyReply Direct Link To This Post Posted: 22 October 2022 at 3:58pm
i got spooked bringing it back on the plane, figured airport security might not be kind about a large magnet... didn't want to risk losing it.

hopefully a friend will be driving over before the year is out!

thanks for sending it earplug :)

in the mean time i guess i'll start poking about with drivers for the X15, good exploration time to be had perhaps.

nice springy neos being first port of call
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Old Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Earplug Quote  Post ReplyReply Direct Link To This Post Posted: 22 October 2022 at 4:13pm
Aaah ok - as long as you do find a use for it. It is a good driver.  Smile



Earplugs Are For Wimps!
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teeth View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote teeth Quote  Post ReplyReply Direct Link To This Post Posted: 24 October 2022 at 9:49am
any opinion on the 18sound 15ND930 for this use, folks?

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