Okay guys... everyone is knocking my door down to pre-order these so I am going to open it up now with an early-bird special as well. My ETA for these is mid to late February or so next year (2010). There are NO refunds on pre-orders whatsoever -- so please make sure you can afford to be without this money until they arrive before ordering. TO ORDER PAYPAL ME AT sundownz@sundownaudio.com AND SPECIFY HOW MANY and D2 or D4 coils !!! Test results will be available soon If you order before the end of November the price will be as follows : 1x SA-8 = $109 2x SA-8 = $99 each 4x or more SA-8 = $90 each Shipped in continental 48 states cost. If you order after November until the pre-order is over the price will be as follows : 1x SA-8 = $119 2x SA-8 = $109 each 4x or more SA-8 = $99 each Shipped in continental 48 states cost. All shipping is handled by FedEx or UPS ground -- shipping to HI or AK add $40 each woofer. Pre-sale in USA only. SPECIFICATIONS OF D2 Coil (D4 will be similar) : RE: 3.28 ohms (series) FS: 41.6 Hz Qes: 0.513 Qms: 6.606 Qts: 0.476 Le: 2.778 mH Vas: 3.285 L BL: 17.138 N/A Cms: 83.341 um/N Mms: 175.654 g Sens: 78.476 dB @ 1w/1m POWER: 400 RMS 5.25" depth 8.25" overall basket OD (no gasket) 7.375" cut-out diameter (without gasket) 7.25" cut-out diameter (with gasket) 6.25" magnet diameter We suggest 0.6 - 1 cube ported tuned to 30-40 hz based on your goals and preferences. Sealed can be utilized but is not optimal for these drivers. ----- VIDEO of excursion: SAZ-1500D @ 1 ohm connected to woofer for testing.