NEW GRS 12" Woofer Surface Mount Poly Cone 8 Ohm 12SMP-8

Name: GRS 12" Woofer Surface Mount Poly Cone 8 Ohm 12SMP-8
Brand: GRS
SKU: 292-876
Price: 61.49 USD
Availability: InStock

GRSPart # 292-876

Model: 12SMP-8

4 inch - 4 ohm 4 inch - 8 ohm 5-1/4 in - 4 ohm 5-1/4 inch - 8 ohm 6-1/2 inch - 4 ohm 6-1/2 inch - 8 ohm 8 inch - 8 ohm 8 inch - 4 ohm 10 inch - 4 ohm 10 inch - 8 ohm 12 inch - 4 ohm 12 inch - 8 ohm

The GRS 12SMP-8 is a versatile 12" woofer designed for easy surface mounting and exceptional reliability. It features a damped poly cone and a rubber surround, which work together to produce natural and well-controlled sound output. Additionally, it includes a copper cap that minimizes inductance and distortion. The vented pole piece and aluminum voice-coil former enhance cooling, effectively reducing power compression. With its lightweight 2-layer coil, the 12SMP-8 is ideally suited for sealed enclosures and larger 3-way speaker systems making it an excellent choice for anyone looking to upgrade their older home audio setups.

Key Features

Low profile frame supports surface mounting for easy installation
Damped poly cone with rubber surround controls resonance for a smooth natural response
Copper cap in the motor lowers inductance and distortion for more accurate response
Excellent performance in sealed boxes, great choice for larger 3-way designs
Excellent performance in sealed boxes, great choice for larger 3-way designs

Overview

GRS 12" Woofer Surface Mount Poly Cone 8 Ohm 12SMP-8

The GRS 12SMP-8 is a 12" woofer with a low profile frame designed for easy surface mounting, making it a great choice for new installations or retrofits in older speaker systems. Its design focuses on accurate response and long-term reliability, ensuring that you can enjoy consistent performance for years to come.

Crafted with a damped poly cone and rubber surround, this woofer provides a natural and well-controlled response. The inclusion of a copper cap in the motor helps to reduce inductance and distortion, allowing for clearer and more accurate reproduction. Additionally, an integrated foam gasket ensures an airtight seal within the cabinet. The vented pole piece and aluminum former work together to keep the voice coil cool, minimizing power compression and maintaining sound integrity even at higher volumes. Thanks to a lightweight 2-layer coil the 12SMP-8 delivers good efficiency for high output without requiring a ton of power.

Optimized for use in sealed enclosures, the 12SMP-8 is particularly well-suited for larger 3-way speaker designs. In addition, this driver is compatible with many classic speaker systems making it a practical solution for revitalizing or even enhancing your audio setup.

Product Details
Brand	GRS
Model	12SMP-8
Part Number	292-876
UPC	848864079899
Unit of Measure	Each
Weight	13

Product Specifications
Nominal Diameter	12"
Bolt Circle Diameter	12.5
Power Handling (RMS)	90 Watts
Power Handling (MAX)	180 Watts
Impedance	8Ω
Frequency Response	20 - 1,500Hz
Sensitivity	89.5dB 2.83V/1m
Voice Coil Diameter	2"

Thiele-Small Parameters
Resonant Frequency (Fs)	28Hz
DC Resistance (Re)	5.8Ω
Voice Coil Inductance (Le)	0.54mH
Mechanical Q (Qms)	3
Electromagnetic Q (Qes)	0.68
Total Q (Qts)	0.56
Compliance Equivalent Volume (Vas)	4.5ft³
Mechanical Compliance of Suspension (Cms)	0.34mm/N
BL Product (BL)	12T·m
Diaphragm Mass Inc. Airload (Mms)	96g
Maximum Linear Excursion (Xmax)	5.5mm
Surface Area of Cone (Sd)	516cm²

Materials of Construction
Cone Material	Poly
Surround Material	Rubber
Voice Coil Former	Aluminum
Basket / Frame Material	Steel
Magnet Material	Ferrite

Mounting Information
Overall Outside Diameter	13"
Baffle Cutout Diameter	11.2"
Depth	5"
# Mounting Holes	6

Parts Express Staff Recommended Enclosure Volume
Sealed Volume	3ft³
Sealed F3	43Hz
Vented Volume	4.5ft³
Vented F3	28Hz

Specifications

Q&A

Reviews

Manuals & Resources

GRS 12SMP-8 Specification Sheet (PDF File) GRS 12SMP-8 Graphs/FRD/ZMA Data File (ZIP File) GRS Manufacturer Warranty (PDF File)

California Prop 65

WARNING: Cancer and Reproductive Harm

NEW GRS 12" Woofer Surface Mount Poly Cone 8 Ohm 12SMP-8

Key Features

Overview

Product Details

Product Specifications

Thiele-Small Parameters

Materials of Construction

Mounting Information

Parts Express Staff Recommended Enclosure Volume

Specifications

Q&A

Reviews

Manuals & Resources

Manuals & Resources