Need Seas P17REX Help!!

Tenson · 26th April 2006, 03:19 PM

Hi,

I ordered a pair of Seas P17REX from Wilmslow Audio but after about 2 weeks they have told me that they don't have any and Seas are discontinuing it but will have a final production run and I can have a pair if I wait till June.

I can't wait till June as I am making these speakers for someone else! I have already made the box for them so I really need to get these drivers or ones with the same spec and sound just as good.

Where oh where can I buy a pair of these drivers in the UK?? Even S/H is fine!

Thanks!

sreten · 26th April 2006, 03:33 PM

http://users.breathe.com/williamshart/driveunits.htm

/sreten.

Tenson · 26th April 2006, 03:40 PM

Well you got my hopes up, but it seems they have a new website and on that site they say they have limited their Seas range now

No P17REX!

Any other options?

sreten · 26th April 2006, 04:15 PM

Hi,

no further sources as far as I can tell.

Perhaps a better option is to fit something else to the boxes.

Seems to me your boxes should suit :

http://www.zaphaudio.com/audio-speaker17.html

or possibly :

http://www.humblehomemadehifi.com/USB.html

/sreten.

Zaph · 26th April 2006, 04:16 PM

It has been discontinued because it it being replaced by the vastly improved P18RNX/P.

I've had one of these sitting in my closet for a while which I will be testing someday. I couldn't say if it would be a drop-in replacement, but it might be close.

Zaph · 26th April 2006, 04:23 PM

Oh, I guess Madisound still has the P17REX too. They have no problem shipping overseas if you really need that driver.

Tenson · 26th April 2006, 05:04 PM

Thanks for the help!

The P18RNX looks quite good but the bass extends about 5Hz less than the P17REX. It doesn't sound like a lot but I think the difference between 40Hz and 35Hz extension is significant. the main reason I don't think I will go for it though is that I don't want to wait for delivery from abroad.

The L18RCY and L18RNX look pretty good though. The only thing I don't like about them is the really bad break up from about 5KHz upwards. Zaph, did you find this audible or was it not as bad as it looks? I was hoping to get away with a 1st order crossover around 800Hz.

Now if I did go for one of these, which do you think would be better? In the enclosure I have built I can change the port length a bit so that is not so much of an issue. The L18RNX goes deeper but unlike most drivers that seem to drop by about 3dB from 100Hz down then have a peak this one just rolls-off gently from 100Hz down so although it is still giving good output to about 30Hz (-5dB) I am worried that with room gain it would be very bloated sounding around 50Hz upwards. I have attached a graph of what each driver does. What do you think would sound best?

RCY -

RNX -

Tenson · 26th April 2006, 05:19 PM

Having read what you wrote on your site about the RNX I guess this is the one to go for as it goes deeper and has a higher break-up point. I could always put a 1st order low pass at 5KHz to help tame the break-up more as well as the xover point at 800Hz.

So what do you think, is the upper-bass going to be okay on the RNX or will it be over bearing?

Tenson · 27th April 2006, 04:39 PM

Okay I have decided I'd like to go for the CA18RNX. Does anybody know where I can get this in the UK?

Or.. how much shipping is from somewhere like Madisound for a pair of drivers like this?

sreten · 27th April 2006, 04:44 PM

http://www.seas.co.uk/acatalog/PrBass_Units.html

/sreten.

26th April 2006, 03:19 PM	#1
Tenson diyAudio Member Join Date: Feb 2006 Location: Kent	Need Seas P17REX Help!! Hi, I ordered a pair of Seas P17REX from Wilmslow Audio but after about 2 weeks they have told me that they don't have any and Seas are discontinuing it but will have a final production run and I can have a pair if I wait till June. I can't wait till June as I am making these speakers for someone else! I have already made the box for them so I really need to get these drivers or ones with the same spec and sound just as good. Where oh where can I buy a pair of these drivers in the UK?? Even S/H is fine! Thanks!

26th April 2006, 04:16 PM	#5
Zaph diyAudio Member Join Date: Sep 2003 Location: Wisconsin	It has been discontinued because it it being replaced by the vastly improved P18RNX/P. I've had one of these sitting in my closet for a while which I will be testing someday. I couldn't say if it would be a drop-in replacement, but it might be close. __________________ -Zaph\|Audio-

26th April 2006, 04:23 PM	#6
Zaph diyAudio Member Join Date: Sep 2003 Location: Wisconsin	Oh, I guess Madisound still has the P17REX too. They have no problem shipping overseas if you really need that driver. __________________ -Zaph\|Audio-

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26th April 2006, 03:33 PM	#2
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	http://users.breathe.com/williamshart/driveunits.htm /sreten.

26th April 2006, 03:40 PM	#3
Tenson diyAudio Member Join Date: Feb 2006 Location: Kent	Well you got my hopes up, but it seems they have a new website and on that site they say they have limited their Seas range now No P17REX! Any other options?

26th April 2006, 04:15 PM	#4
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Hi, no further sources as far as I can tell. Perhaps a better option is to fit something else to the boxes. Seems to me your boxes should suit : http://www.zaphaudio.com/audio-speaker17.html or possibly : http://www.humblehomemadehifi.com/USB.html /sreten.

26th April 2006, 05:04 PM	#7
Tenson diyAudio Member Join Date: Feb 2006 Location: Kent	Thanks for the help! The P18RNX looks quite good but the bass extends about 5Hz less than the P17REX. It doesn't sound like a lot but I think the difference between 40Hz and 35Hz extension is significant. the main reason I don't think I will go for it though is that I don't want to wait for delivery from abroad. The L18RCY and L18RNX look pretty good though. The only thing I don't like about them is the really bad break up from about 5KHz upwards. Zaph, did you find this audible or was it not as bad as it looks? I was hoping to get away with a 1st order crossover around 800Hz. Now if I did go for one of these, which do you think would be better? In the enclosure I have built I can change the port length a bit so that is not so much of an issue. The L18RNX goes deeper but unlike most drivers that seem to drop by about 3dB from 100Hz down then have a peak this one just rolls-off gently from 100Hz down so although it is still giving good output to about 30Hz (-5dB) I am worried that with room gain it would be very bloated sounding around 50Hz upwards. I have attached a graph of what each driver does. What do you think would sound best? RCY - RNX -

26th April 2006, 05:19 PM	#8
Tenson diyAudio Member Join Date: Feb 2006 Location: Kent	Having read what you wrote on your site about the RNX I guess this is the one to go for as it goes deeper and has a higher break-up point. I could always put a 1st order low pass at 5KHz to help tame the break-up more as well as the xover point at 800Hz. So what do you think, is the upper-bass going to be okay on the RNX or will it be over bearing?

27th April 2006, 04:39 PM	#9
Tenson diyAudio Member Join Date: Feb 2006 Location: Kent	Okay I have decided I'd like to go for the CA18RNX. Does anybody know where I can get this in the UK? Or.. how much shipping is from somewhere like Madisound for a pair of drivers like this?

27th April 2006, 04:44 PM	#10
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	http://www.seas.co.uk/acatalog/PrBass_Units.html /sreten.

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