Autotek Car Audio Speakers and Amplifiers

ATX Subs

Mean Machine Subs

Street Machine Subs

Street Machine Subwoofers

Autotek Street Machine Series Features:

- Vibration Resistant Stamped Steel basket
- ABS Motor Cover
- Long Excursion Rolled Surround
- Ventilated Top and Bottom Pole Plate
- Poly Light Rigid Cone
- Embossed PP Dust Cap
- Woven-In Tinsel Leads
- Progressive Rate Woven Cotton Spider
- Evolution of Power Included

	SM12D4	SM12S4
Peak Power -	700	700	Watts
RMS Power -	350	350	Watts
VC Ohms -	2 + 2	4 + 4	Ohms
Fs - Hz	37.13	38.4	Hz
Re / Ohms x 2	1.8	3.6	Ohms x 2
Qts -	0.719	0.789
Vas - Liters	42.9	40.9	Liters
Vas - Cu Ft	1.52	1.45	Cu Ft.
Xmax - mm	6	6	mm
Xmax - Inches	0.245	0.59	Inches
SPL - dB@2,83V	89	88.8	dB @ 2.83V
Sealed Enclosure Designs:
Sugg. Box Volume	0.5-Cu Ft	0.5-Cu Ft	Box Size
Box Poly Fill	Loose	Loose	Poly Fill
Vented Enclosure Designs:
Sugg. Box Volume	1.5-Cu Ft	1.5-Cu Ft	Box Size
Port I.D. x Length	3.0"x7.6"	3.0"x7.2"	Port ID x L
Enclosure Resonance	36 Hz	36 Hz	Fb
Port Resonance	38 Hz	38 Hz	Fp