Rockford Fosgate T1S1-12 Power 12" T1 Slim Single 1-Ohm Subwoofer

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Power 12" T1 Slim Single 1-Ohm SubwooferT1S1-12


The Power T1S1-12 is a slimline 12" subwoofer designed for spaces where traditional sized woofers will not fit. Features a single 1-ohm voice coil for simplified wiring configurations

Need bass but don't have a lot of space? How about more power handling than your average shallow subwoofer? Well, the T1 "Slimline" subwoofers are not your average shallow, in fact, they have been painstakingly designed to near exact performance characteristics of traditional sized Power T1 subwoofers you're already familiar with.

We're calling these "slim" subwoofers because they don't take a lot of depth and offer bass response similar to a traditional sized model. How can this be true? Well, let's just say the Wizards-of-Fos engineered an ingenious slotted voice coil assembly that exhibits long excursion travel. Don't worry, you don't need to understand how it works, you just have to listen to how awesome they sound!

Carbon fiber/PMI/glass fiber cone with aluminum dustcap
Injection molded foam surround with VAST™
Dual Nomex progressive spiders with integrated lead wires
Aluminum diecast frame with integrated heat sink fins
Custom insulated push spring 10 AWG terminals
Dual wound 2.5" voice coil with interior/exterior windings
Encapsulating voice coil to former coupling technology (patent pending)
Detachable die cast aluminum trim ring
Vented pole piece
High temp high energy neodymium motor structure
Proprietary split yoke pass thru motor technology (patent pending)
Integrated copper cap heat sinking shorting ring (IDHS)
Optional grille insert available
Optimized for sealed enclosures
1 Year Warranty

Magnet Weight (oz)14.42 oz. (0.41 Kg)
Subwoofer TypeShallow
CEA-2031 CompliantCEA-2031 Guidelines
Power Handling (Watts RMS)600 Watts RMS
1200 Watts Max
Voice Coil Diameter2.98" (75 mm)
Xmax (mm)15
Fs (Hz)36
Nominal Impedance1-Ohm
Speaker Connector10 AWG slot loaded
Sd (cm2)560
Re (Ohms)0.9
Le (mH)0.31
Vas (Liters)32.4
SPL (dB @ 1w/1m)85
SPL (dB @ 2.8v/1m)88
Voice Coil TypeSingle Voice Coil
Mounting Depth3.01 in. (76.5 mm)
Cutout Diameter11.22 in. (285 mm)
Woofer Displacement0.042 cu. ft. (1.2 Liters)
Sealed Box Volume (Vb)1.1 cu. ft. (31.1 Liters)
Vented Box Volume (Vb)2.0 cu. ft. (56.6 Liters)
Shipping Weight16.15 Lbs. (7.3 Kg.)

Extra Information

Rockford Fosgate