Request: Peerless driver specs

Mos Fetish · 2nd March 2008, 08:21 PM

Can't seem to find any specs or references to a Peerless driver.

Catalog number: 831864, 8", poly cone, stamped metal basket, 4 ohm

Looks like an old CSX to me...

Any help appreciated.

Dave Bullet · 3rd March 2008, 06:48 AM

Just a hunch, but I think it is a CC line (not CSX line) woofer.

The CC range used 831xxx whereas the CSX line were 850xxx. The CSX line also had an inverted dustcap whereas the CC had a covex dustcap (as per your photo).

Jonathan Bright · 3rd March 2008, 07:50 AM

Hi Mos you might try "Wescomponents" (Sydney) site they usually have good spec's for Peerless drivers.

rabbitz · 3rd March 2008, 12:32 PM

Hi Mos

Had a look through my old WES catalogues and nothing.

All I can find is some info in the original WinISD database for 831864.

Qts 0.26
Vas 51L
Fs 35Hz
Z 4R
SPL 93dB
Pe 200W
D 205mm

That's it.

Conrad Hoffman · 3rd March 2008, 12:57 PM

I checked all my old Peerless literature, and nothing. Agree it is probably CC line, and I had really excellent results with those in the past.

Mos Fetish · 3rd March 2008, 06:52 PM

Thanks all, but Rabz wins the cigar. I never thought of looking in WinISD's database.

Brilliant. Thanks, mate.

Mos Fetish · 3rd March 2008, 07:08 PM

Don't light that cigar just yet.

Even though WinISD has the driver listed, it seems to have too few params to calc the port dimensions.

I transferred the params to LspCAD but as per usual, it says "too few parameters defined". Even using the crosscalc feature doesn't help.

Anyone know how to work out the qes/qms from the given data, which is, at the bare minimum, what WinISD needs. I just need a good working box volume and port data.

Thanks.

Andy G · 3rd March 2008, 08:04 PM

assuming that 93dB is at 2.8V, BB6 calculates Qms = 0.69 and Qes = 0.416

hope that helps.

Mos Fetish · 3rd March 2008, 08:58 PM

Thanks, Andy.

At least that gives me an acceptable box and port size.

heretohelp · 2nd February 2009, 09:55 PM

I have some 6 1/2 inch peerless drivers that look just like the 8 inchers on this post

the numbers on the back are
QC 910304
Cat no 031732

I have emailed Peerless and got no reply.

Where should I look?
They are brand new and I would really like to use them.
Thanks

Nicholas@mindspring.com

3rd March 2008, 07:50 AM	#3
Jonathan Bright diyAudio Member Join Date: Feb 2004 Location: Queensland	Hi Mos you might try "Wescomponents" (Sydney) site they usually have good spec's for Peerless drivers. __________________ "It was the Spring time of the year when aunt calls to aunt like mastodons across the frozen waste." P.G. Wodehouse.

2nd February 2009, 09:55 PM	#10
heretohelp diyAudio Member Join Date: Jul 2008	me too! need peerless driver specs I have some 6 1/2 inch peerless drivers that look just like the 8 inchers on this post the numbers on the back are QC 910304 Cat no 031732 I have emailed Peerless and got no reply. Where should I look? They are brand new and I would really like to use them. Thanks Nicholas@mindspring.com

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3rd March 2008, 06:48 AM	#2
Dave Bullet diyAudio Member Join Date: Jan 2002 Location: Wellington, New Zealand	Just a hunch, but I think it is a CC line (not CSX line) woofer. The CC range used 831xxx whereas the CSX line were 850xxx. The CSX line also had an inverted dustcap whereas the CC had a covex dustcap (as per your photo).

3rd March 2008, 12:32 PM	#4
rabbitz diyAudio Member Join Date: Jul 2003 Location: Newcastle, Australia	Hi Mos Had a look through my old WES catalogues and nothing. All I can find is some info in the original WinISD database for 831864. Qts 0.26 Vas 51L Fs 35Hz Z 4R SPL 93dB Pe 200W D 205mm That's it.

3rd March 2008, 12:57 PM	#5
Conrad Hoffman diyAudio Member Join Date: Mar 2007 Location: Canandaigua, NY USA	I checked all my old Peerless literature, and nothing. Agree it is probably CC line, and I had really excellent results with those in the past.

3rd March 2008, 06:52 PM	#6
Mos Fetish diyAudio Member Join Date: Feb 2003 Location: New Zealand	Thanks all, but Rabz wins the cigar. I never thought of looking in WinISD's database. Brilliant. Thanks, mate.

3rd March 2008, 07:08 PM	#7
Mos Fetish diyAudio Member Join Date: Feb 2003 Location: New Zealand	Don't light that cigar just yet. Even though WinISD has the driver listed, it seems to have too few params to calc the port dimensions. I transferred the params to LspCAD but as per usual, it says "too few parameters defined". Even using the crosscalc feature doesn't help. Anyone know how to work out the qes/qms from the given data, which is, at the bare minimum, what WinISD needs. I just need a good working box volume and port data. Thanks.

3rd March 2008, 08:04 PM	#8
Andy G diyAudio Member Join Date: Apr 2002 Location: Newcastle, Australia	assuming that 93dB is at 2.8V, BB6 calculates Qms = 0.69 and Qes = 0.416 hope that helps.

3rd March 2008, 08:58 PM	#9
Mos Fetish diyAudio Member Join Date: Feb 2003 Location: New Zealand	Thanks, Andy. At least that gives me an acceptable box and port size.

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