Sold Crystal CMPx2 15" Sub For Sale

[Goldtaz1 10+ year member]

Just wanted to let everyone know that I am selling my Crystal CMPx2 15" Subwoofer. It is a dual 2 ohm driver. Price is 285 + Shipping costs (I am estimating like $30-40 bucks because this thing is heavy). I will accept paypal and money orders. Please post to this thread if you are interested and then we will discuss the particulars through PM. Without further ado here are the pics:

3-d PIC

OVERHEAD PIC

WOVEN TINSEL LEADS

REAR PIC

AND FINALLY EVERYONE'S FAVORITE PIC

Also, here are the T/S parameters for this driver:

Fs 23.5 Hz

QMs 7.33

VAS 4.2 cu ft / 119 Liters

CMs .123 mm / N

MMd 12.7 oz / 360 Grams

Xmax 1.10 in / 28 mm one-way

Qes .56

Re 2.0 Ohms

Z 2.0 Ohms

BL 14.0 Telsa / M

Pe 1600 Watts

Qts .52

SPL 92.2 dB

Voice Coil Diameter 3.0" Diameter / 76.2 mm

Displacement .3 cu ft

Mounting Depth 7 3/8"

Click to read more...

 

[DoubleR 10+ year member]

Please explain to me how it is you do not have room in a Nissan Armada?? What are your max dimensions?? The reason I ask is because my sealed box was 11" tall X 22" Wide X 22" Deep. Assuming the use of 3/4" material and with subwoofer displacement, this gives you 2 cubes net of airspace. I'm sorry to be kind of a wang, but I am not understanding how you don't have room.

Dude I have three row seating and max dimensions are 10"DeepX52"WideX14"Tall.

 

[Goldtaz1 10+ year member]

Dude I have three row seating and max dimensions are 10"DeepX52"WideX14"Tall.

Are you trying to go sealed or ported?? I have put (2) 12's ported in an expedition that kept third row seating as well. His measurements were virtually identical to yours. Where there is a will, there is a way. I hope you're not taking any of this the wrong way, but if those are indeed your max measurements then you have more than enough space to get the 15 in a sealed box and maybe even a ported box.

 

[DoubleR 10+ year member]

If you can help me design a box to fit a ported one back there ill take it im just worried about space issues. And im not taking this the wrong way.

 

[Goldtaz1 10+ year member]

If you can help me design a box to fit a ported one back there ill take it im just worried about space issues. And im not taking this the wrong way.

Well, the only thing I have come up with so far in regards to something ported, will take up the entire max dimensions you listed above. The design I came up with is:

External dimensions: 14 X 52 X 10

Internal dimensions: 12.5 X 50.5 X 8.5

This design would have 20 square inches of port tuned to 35.099 Hz and the port length would be 13 inches long.

This design also assumes the use of 4 pieces of 2 x 4 bracing: 2 pieces that are 8.5 inches long and 2 pieces that are 12.5 inches long.

The total net internal cubic volume would be 2.62 cubes. My conclusions are that it would probably not be a good idea to do this design because the manufacturer recommendations specify 3 cubic feet of net internal volume. It would be better to do a sealed box. I don't want to sell you something that would not work for you. Look this over and let me know what you think.

 

[DoubleR 10+ year member]

Well, the only thing I have come up with so far in regards to something ported, will take up the entire max dimensions you listed above. The design I came up with is:
External dimensions: 14 X 52 X 10

Internal dimensions: 12.5 X 50.5 X 8.5

This design would have 20 square inches of port tuned to 35.099 Hz and the port length would be 13 inches long.

This design also assumes the use of 4 pieces of 2 x 4 bracing: 2 pieces that are 8.5 inches long and 2 pieces that are 12.5 inches long.

The total net internal cubic volume would be 2.62 cubes. My conclusions are that it would probably not be a good idea to do this design because the manufacturer recommendations specify 3 cubic feet of net internal volume. It would be better to do a sealed box. I don't want to sell you something that would not work for you. Look this over and let me know what you think.

Thats what I was afraid of. And I want to do ported thats the only problem as well .

 

[DoubleR 10+ year member]

I have always had ported I was gonna try sealed but im not sure if I would like the way sealed sounded.

 

[Goldtaz1 10+ year member]

I have always had ported I was gonna try sealed but im not sure if I would like the way sealed sounded.

If you look at the frequency response curve for a sealed enclosure vs. a ported enclosure, the sealed enclosure is going to provide a more flat response over then entire sub frequency range, whereas a ported enclosure's response curve will most likely look something like the beginning of a roller coaster. The ported enclosure will deliver more output but at a more limited frequency range and roll off rather steep as the frequency moves further from the tuning frequency of the enclosure. It may be worth while to check into a 12" driver given the dimensions you have to work with, unless you are willing to give up the third row seating (which would make all of this talk a moot point). Let me know if I can help in any way, I just want you to get the product that suits your needs.

 

[Goldtaz1 10+ year member]

dink!

 

[Goldtaz1 10+ year member]

bonk!

 

[95Prober 10+ year member]

wish i had the cash //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[Goldtaz1 10+ year member]

wish i had the cash //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

Well, that would certainly make two of us! //content.invisioncic.com/y282845/emoticons/crying.gif.ec0ebefe590df0251476573bc49e46d8.gif

 

[Goldtaz1 10+ year member]

Somebody has got to have some money they want to spend?!?!?!?!

 

[the_noob 10+ year member]

Have you tried posting this over at ECA? I've seen a few people over there running Crystal.

 

[Goldtaz1 10+ year member]

Have you tried posting this over at ECA? I've seen a few people over there running Crystal.

What is ECA, I've never heard of them?

 

[Goldtaz1 10+ year member]

bump!