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Sundown X Series 10/12/15/18 Pre-Order : ETA June 2013


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Our ETA is roughly the end of June on these; as always this can vary a bit based on parts supplier production times, transit times, customs times, etc. Based on our average shipping time that is our best estimate.

That being said this pre-order will ONLY be open to the public until April 15th, 2013 -- OR until a given size / coil configuration sells 50% of the quantity being produced. I do not want to be out of stock instantly so we are running this much shorter than our other pre-orders.

This pre-order is for the USA ONLY -- check with your distributor if you are outside of the USA; if you do NOT have a distributor in your country you can check with us. The below rates are shipping in the continental 48 states; e-mail us or your dealer for AK or HI pricing.

Pricing as follows :

PART # // REGULAR MAP // PRE-ORDER RATE

X-10 (D2/D4) -- $329 -- $280
X-12 (D2/D4) -- $349 -- $300
X-15 (D2/D4) -- $389 -- $330
X-18 (D2/D4) -- $409 -- $350

You can pre-order from any participating local or online dealer OR directly with us via Paypal to [email protected] -- you MUST include a note stating EXACTLY what you are ordering.

As is typical with a pre-order the sale is final ; make sure you are not placing yourself in a bad financial situation by pre-ordering. Do not pre-order if you are on a tight schedule ; the dates are NOT set in stone. An adjusted date is not considered a valid reason to request a pre-order refund. If you have ANY doubt about waiting or your financial situation DO NOT pre-order.

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The X series is our 1250 RMS rated line -- they feature a 3" diameter CCAW round wire coil and our new frame, spider, surround, and cone platform. Linear x-max is around ~30mm one-way by 70% BL with a total mechanical clearance of 50mm in the motor.

These woofers are designed excel in high output DAILY low frequency applications. If you are looking for a burp driver or a driver to excel on “higher” bass frequencies; this is NOT it. We will offer SPL burp style re-cone kits for them at a late date – but the stock format is not made for that.


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* Z v.4 12 on the left and X-12 on the right.

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* Z v.4 12 on the left and X-12 on the right.

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* New terminal blocks !

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* Essentially looks like a "mini-Z" style motor... 190mm magnet vs. 220mm on the Z series / 66mm tall stack vs. 75mm tall stack / thinner steel / less expensive round wire coil vs. flat wire in the Z, etc, etc.

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Preliminary Specifications :
** The production models have a stiffer surround which will result in an FS about 5-10 Hz higher, higher Qts, etc. They will also have a slightly tighter gap which increases the BL a bit **

X-10 D2:
Re : 3.63 ohms
Fs : 27.9 Hz (Stiffer Surround = 32 Hz)
Qes : 0.43 (Stiffer Surround = 0.49)
Qms : 4.7
Qts : 0.39 (Stiffer Surround = 0.45)
Le : 4.11 mH
Sd : 366 cm^2
Vas : 19.47 L
BL : 21.67 NA
Mms : 317 g
Cms : 102 uM/N (Stiffer Surround = 75.16 uM/N)
Sens : 81.66 dB 1w/1m

X-10 D4:
Re : 5.96 ohms
Fs : 29. 15 Hz
Qes : 0.54
Qms : 5.26
Qts : 0.49
Le : 6.14 mH
Sd : 366 cm^2
Vas : 19.06 L
BL : 24.45 NA
Mms : 297 g
Cms : 100 uM/N
Sens : 81.14 dB 1w/1m

X-12 D2:
Re : 3.7 ohms
Fs : 24.35 Hz
Qes : 0.37
Qms : 4.38
Qts : 0.35
Le : 3.76 mH
Sd : 457 cm^2
Vas : 38.02 L
BL : 22.35 NA
Mms : 333 g
Cms : 127 uM/N
Sens : 83.35 dB 1w/1m

X-12 D4:
Re : 5.84 ohms
Fs : 26.43 Hz
Qes : 0.48
Qms : 4.48
Qts : 0.43
Le : 5.18 mH
Sd : 457 cm^2
Vas : 34.38 L
BL : 25.16 NA
Mms : 313 g
Cms : 115 uM/N
Sens : 82.96 dB 1w/1m

X-15 D2:
Re : 3.68 ohms
Fs : 20.51 Hz
Qes : 0.42
Qms : 4.81
Qts : 0.39
Le : 4.00 mH
Sd : 729 cm^2
Vas : 107 L
BL : 21.79 NA
Mms : 422 g
Cms : 142 uM/N
Sens : 85.17 dB 1w/1m

X-15 D4:
Re : 5.78 ohms
Fs : 20.88 Hz
Qes : 0.52
Qms : 4.94
Qts : 0.47
Le : 5.99 mH
Sd : 729 cm^2
Vas : 103 L
BL : 24.85 NA
Mms : 422 g
Cms : 137 uM/N
Sens : 84.34 dB 1w/1m

X-18 D2:
Data not available

X-18 D4:
Re : 5.85 ohms
Fs : 20.5 Hz
Qes : 0.57
Qms : 5.61
Qts : 0.52
Le : 5.92 mH
Sd : 1140 cm^2
Vas : 237 L
BL : 24.79 NA
Mms : 470 g
Cms : 128 uM/N
Sens : 87.22 dB 1w/1m

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PHYSICAL SPECIFICATIONS :


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Edited by sundownz
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- Jacob Fuller

- Owner, Sundown Audio

- Sundown Audio on FACEBOOK

- Please DO NOT PM ME -- use my email address -- [email protected]

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Jacob, so am I reading right that the mechanical limit (peak to peak) for the x series is 50mm? Just wondered b/c I saw that the vid of the 12" z says it has a peak to peak of 4" which would be close to 100mm. Just curious about the similarity in terms of excursion between the two lines.

thanks, Kyle

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Jacob, so am I reading right that the mechanical limit (peak to peak) for the x series is 50mm? Just wondered b/c I saw that the vid of the 12" z says it has a peak to peak of 4" which would be close to 100mm. Just curious about the similarity in terms of excursion between the two lines.

thanks, Kyle

The X mechanical limit is in the motor @ 50 mm before the coil bottoms.

We have 62.5mm in the motor of the Z v.4 before coil bottom -- in our in-car video it's seeing ~50mm or so. Beyond that it get's a bit too far beyond linearity and distortion climbs; but we do still have that extra room as a cushion from damage.

Neither is linear up to that point but there is pleeeeenty of room for continued travel beyond linearity (less chance of damage, additional output, etc).

- Jacob Fuller

- Owner, Sundown Audio

- Sundown Audio on FACEBOOK

- Please DO NOT PM ME -- use my email address -- [email protected]

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