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Description

RockFord Fosgate T1S1-10S

The T1S1-10S is a 10-inch, shallow-mount subwoofer from Rockford Fosgate’s “T1 Slim” series — made especially for tight installations where standard subs won’t fit, while still delivering deep, powerful bass. It features a carbon fiber/PMI/glass fiber cone, a 2.5″ high-temp copper voice coil, and a durable polymer surround for reliable bass with minimal distortion.


Feature

Feature Details
Dual Nomex progressive spiders With stitched tinsel leads
Cone Material Linear Carbon Fiber / PMI / Glass Fiber cone with aluminum dustcap
Terminals Custom 10 AWG slot-loaded brass push spring terminals with corrosion-resistant tin plating
Surround Material Supercritical synthetic organic polymer surround
Trim Ring Detachable die-cast aluminum trim ring
Frame Die-cast aluminum frame with integrated heat-sink fins
Tinsel Leads Symmetrical ultra-flexible braided flat tinsel leads, fatigue-resistant
Voice Coil Dual-wound single 2.5″ pure copper voice coil with interior and exterior windings
Enclosure Optimization Optimized for compact sealed enclosures
Warranty 1 Year
Optional Accessories Protective grille insert available
Construction Co-molded surround and cone body chemically bonded for high durability
Motor Structure High-temp, high-energy Neodymium motor structure

 


Specifications

Specification Details
Size 10″
Sd 356 cm²
Frequency Response 26 – 250 Hz
Qms 7.0
Vas 16.4 L
Re 0.88 Ω
Fs 34 Hz
Qts 0.60
Qes 0.65
Nominal Impedance 1 Ω
Subwoofer Type Shallow
Le 0.45 mH

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Questions and Answers

Q1: What is the power handling of T1S1-10S?
A1: It handles 500 W RMS continuously and up to 1000 W peak power.
Q2: What is its impedance?
A2: It has a single 1 Ω voice coil, which makes wiring simpler and gives more flexibility when pairing with amplifiers.
Q3: What frequency range does it cover?
A3: The frequency response spans approximately 26 Hz to 250 Hz, giving it solid deep-bass output.
Q4: What is the mounting depth, and is it shallow-mount?
A4: The mounting depth (top-mount) is about 3.01″ (76.5 mm). Yes — it's designed to be a shallow-mount subwoofer, ideal for small or tight enclosures.
Q5: What kind of enclosure works best for this subwoofer?
A5: It’s optimized for sealed enclosures  with recommended enclosure volume around 0.5 to 0.75 cubic feet. Ported enclosures are not recommended for this model.

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