True qts values for Dayton RS 150 & 180

Hezz · 20th August 2008, 02:58 AM

Has anyone measured these drivers to get accurate parameters. These drivers seemed to be the perfect solution for a mid size floor standing speaker that I am designing when using the web page values which are considerably lower than those listed on the PDF spec sheets.

Does anyone know what the true values are?

Fosti · 20th August 2008, 02:33 PM

Here's one for the RS180S (sorry, it's German):
http://hifi-selbstbau.de/index.php?o...d=38&Itemid=58

And here the RS150S is included:
http://www.zaphaudio.com/5.5test/compare.html

There's one for the RS180S here, too:
http://www.zaphaudio.com/6.5test/compare.html

Hezz · 20th August 2008, 04:14 PM

Thanks for the links Fosti. I knew that Zaph had measured some of these drivers but for some reason I could not find the pages on the website. I guess these drivers will not work for me. Too bad because they are supposed to be very good in the low bass which is were I need them.

It looks as if the sensitivity ratings are pretty misleading too as they are rated as the 180 is rated as an 88 db driver. Only if averaging in the unusable range can this be concluded.

20th August 2008, 02:58 AM	#1
Hezz diyAudio Member Join Date: Dec 2002 Location: Utah	True qts values for Dayton RS 150 & 180 Has anyone measured these drivers to get accurate parameters. These drivers seemed to be the perfect solution for a mid size floor standing speaker that I am designing when using the web page values which are considerably lower than those listed on the PDF spec sheets. Does anyone know what the true values are?

20th August 2008, 02:33 PM	#2
Fosti diyAudio Member Join Date: Jun 2006	Here's one for the RS180S (sorry, it's German): http://hifi-selbstbau.de/index.php?o...d=38&Itemid=58 And here the RS150S is included: http://www.zaphaudio.com/5.5test/compare.html There's one for the RS180S here, too: http://www.zaphaudio.com/6.5test/compare.html __________________ "... they don't know what they do." - Thats right, quite often! "... they don't do what they know." - That's right, even more often!!!

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20th August 2008, 04:14 PM	#3
Hezz diyAudio Member Join Date: Dec 2002 Location: Utah	Thanks for the links Fosti. I knew that Zaph had measured some of these drivers but for some reason I could not find the pages on the website. I guess these drivers will not work for me. Too bad because they are supposed to be very good in the low bass which is were I need them. It looks as if the sensitivity ratings are pretty misleading too as they are rated as the 180 is rated as an 88 db driver. Only if averaging in the unusable range can this be concluded.

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