Prototypes completed over the weekend way ahead of schedule and I'll have them soon !

If these looks beefy to you for a "shallow 500-watt" driver -- they should... the magnet slug is a full 7" diameter x 1" tall slug -- half of the current SA woofer. So it has some heft !

Looks great!! Gotta save a few pennies so I'll be ready for the presale so I can try a couple!

Looks great!

The specs before break-in period are as follows as measured by the factory (I will break-in and measure again after arrival) :

SD-2 10" D4 :

Fs: 39.7 Hz

Re: 8.0 ohms

Qms: 5.45

Qes: 0.56

Qts: 0.52

Cms: 0.09 mm/N

Mms: 178 g

BL: 24.7 NA

Vas: 13.8 L

Sens: 83.5 dB 1w/1m

Le: 4.06 mH

SD-2 10" D2 :

Fs: 36.7 Hz

Re: 4.0 ohms

Qms: 5.51

Qes: 0.48

Qts: 0.45

Cms: 0.10 mm/N

Mms: 184 g

BL: 18.7 NA

Vas: 15.6 L

Sens: 83.9 dB 1w/1m

Le: 2.69 mH

SD-2 12" D4 :

Fs: 38.8 Hz

Re: 8.0 ohms

Qms: 6.18

Qes: 0.69

Qts: 0.62

Cms: 0.09 mm/N

Mms: 195 g

BL: 23.5 NA

Vas: 31.7 L

Sens: 86.1 dB 1w/1m

Le: 4.14 mH

SD-2 12" D2 :

Fs: 36.8 Hz

Re: 4.0 ohms

Qms: 6.06

Qes: 0.58

Qts: 0.53

Cms: 0.08 mm/N

Mms: 225 g

BL: 18.9 NA

Vas: 30.2 L

Sens: 86.0 dB 1w/1m

Le: 2.63 mH

I've been following sundown since 2009, while I have not had the opportunity to buy anything, I have been going back and forth whether to get the E8v2's or the SA-8's as I have a 4 door chevy 1500... I have really been thinking of doing 4 e8's but now I'll just wait!!!!

As always sundown is pushing the limits and providing the products that the consumers are really wanting and at PRICE that we can live with!!!

I love companies that invest there time in making sure that the customer is always happy!!!

Sundown FTW!!!!

the sa 8 kills i only have one in my truck and it's unreal and the customers service you get from sundown is second to none.

I am assuming from previous info that the XMAX will be 12mm?

I am assuming from previous info that the XMAX will be 12mm?

Yep; linear one-way by 70% BL

The specs before break-in period are as follows as measured by the factory (I will break-in and measure again after arrival) :

SD-2 10" D4 :

Fs: 39.7 Hz

Re: 8.0 ohms

Qms: 5.45

Qes: 0.56

Qts: 0.52

Cms: 0.09 mm/N

Mms: 178 g

BL: 24.7 NA

Vas: 13.8 L

Sens: 83.5 dB 1w/1m

Le: 4.06 mH

SD-2 10" D2 :

Fs: 36.7 Hz

Re: 4.0 ohms

Qms: 5.51

Qes: 0.48

Qts: 0.45

Cms: 0.10 mm/N

Mms: 184 g

BL: 18.7 NA

Vas: 15.6 L

Sens: 83.9 dB 1w/1m

Le: 2.69 mH

SD-2 12" D4 :

Fs: 38.8 Hz

Re: 8.0 ohms

Qms: 6.18

Qes: 0.69

Qts: 0.62

Cms: 0.09 mm/N

Mms: 195 g

BL: 23.5 NA

Vas: 31.7 L

Sens: 86.1 dB 1w/1m

Le: 4.14 mH

SD-2 12" D2 :

Fs: 36.8 Hz

Re: 4.0 ohms

Qms: 6.06

Qes: 0.58

Qts: 0.53

Cms: 0.08 mm/N

Mms: 225 g

BL: 18.9 NA

Vas: 30.2 L

Sens: 86.0 dB 1w/1m

Le: 2.63 mH

This is why I love Sundown, no bs.

I'll be keeping my eyes on this.

Sorry if I missed it, but do you have enclosure size recommendations yet?

Early price estimates -- MAP price (actual price paid from dealer)

(SA cost for comparison)

SA-10 v.1 : $185

SA-12 v.1 : $195

SD-2 10 : $150

SD-2 12 : $160

Pre-ordering would be something like :

SD-2 10 : $115

SD-2 12 : $125

That would be shipped in the continental 48 states.

Once I do some testing we'll have an ETA and a time when pre-ordering will begin.

Edited May 25, 201114 yr by sundownz

Sounding Good!!! May have to try a couple of these!

What amp are you going to recommend for a pair of these?? As I've read all of your subs can handle more than what they are rated for, but being as these will be strictly for a daily driver I'm wondering what amp and at what impedance should we run a pair on without voiding the warranty but still getting the full potential out of the subs...

Thanks!!!

You can use an SAX-1200D without turning it wide open -- would be a great match.

We are also working on both a 500-watt and an 800-watt amp for release possibly next year... the 800 would power a pair nicely as well or a 500 on a single.

You can use an SAX-1200D without turning it wide open -- would be a great match.

We are also working on both a 500-watt and an 800-watt amp for release possibly next year... the 800 would power a pair nicely as well or a 500 on a single.

Bring it on!!

Nice prices, these should be great for people with pickups looking for a little low end extension.

We are also working on both a 500-watt and an 800-watt amp for release possibly next year... the 800 would power a pair nicely as well or a 500 on a single.

SD-2 12" D4 :

Fs: 38.8 Hz

Re: 8.0 ohms

Qms: 6.18

Qes: 0.69

Qts: 0.62

Cms: 0.09 mm/N

Mms: 195 g

BL: 23.5 NA

Vas: 31.7 L

Sens: 86.1 dB 1w/1m

Le: 4.14 mH

Measured specs on our WT2 :

SD-2 12" D4 :

Fs: 35.0 Hz Hz

Re: 7.4 ohms ohms

Qms: 6.00

Qes: 0.60

Qts: 0.55

Cms: 0.11 mm/N

Mms: 186 g

BL: 22.5 NA

Vas: 29.43 L

Sens: 85.3 dB 1w/1m

Le: 6.58 mH

We used a bit different surface area calculation so our VAS varies from the factory measurement. Also our system measured DCR a bit different too. The main point, though, is that Fs and Qts bothe dropped and the CMS is now close to the goal of 0.12 mm/N

I'll measure them all as I get time to break them in for "official" specs on our WT2 device.