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Posted

So... you want to know how much the SA-12 will take thermally ? Video starts at 14.5 amps (1740 watts) power drops off to the 1200 - 1400 watt range after the first 10 seconds and continues to play for a total of about 35 seconds at this power level.

Never going below DOUBLE rated power for the entire time on straight sine wave wall socket power @ 60 Hz. The woofer is NOT broken but I decided to stop as the current continued to drop indicating the coil was getting too hot. I plan to use this one in my Jeep so I didn't want it to go until it quit :)

http://www.sundownaudio.com/misc/SA-12_Production/Wall-Socket/CIMG2652.MOV

Fun stuff :)

This is a Dual-2 -- first sample that I built yesterday -- so nominal load was 4 ohms. I didn't use the Dual-4 (production) since it would be either 8 ohms (not much power) or 2 ohms (too much power).

  • Author

Part II at 2 ohms this time !

Way too much power but we did it anyway! Played 19 seconds before failure at 400-600% over rated power. Started at 3720 watts and dropped to 2472 right before failure (multiply the current by 120 volts). Don't try this at home.

wow that sub is a little beast! NICE!! so this sub is almost comparable to it bigger brother the nightshade lol!!

Edited by CrazyKenKid

  • Author

Yes sir :)

We have even improved them for the next production run... not that they needed it, but that is how I roll.

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