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GRS | Mid-bass driver

GRS 6PF-8 6-1/2" Paper Cone Foam Surround Woofer

SKU: 6PF-8
165.1 mm 8 Ω
Achieve clear, detailed bass and midrange in your speaker builds with this 6-1/2" paper cone woofer, featuring a foam surround for controlled low-frequency response. Its treated paper diaphragm and ferrite magnet deliver a total Q factor of 0.95 for versatile enclosure design.
6 490 Ft
(5 110 Ft + VAT)
Own warehouse Out of stock
Külső raktár 2. 10+ pcs Aug 5.
Fast Delivery 2-5 working days
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Technical data
Nominal diameter
Impedance
Resonance frequency (Fs)
Sensitivity (SPL at 1 m / 2.83 V)
Power tolerance (max)
Maximum linear deflection (Xmax)
Total Q (Qts)
Electromagnetic Q (Qes)
Mechanical Q (Qms)
DC resistance (Re)
Voice coil inductance (L_e)
Equivalent volume (Iron)
Woofer type
Membrane material
Voice coil diameter
Magnetic material
Dimensions (mm)
Diameter of the baffle cutout
# Mounting holes
Depth
Enclosed volume
Open volume
Cutoff frequency (–3 dB)
Cutoff frequency (open, -3 dB)
The GRS 6PF-8 6-1/2" Paper Cone Foam Surround Woofer is a versatile driver designed to deliver articulate, detailed bass and midrange performance in a variety of speaker projects. Its carefully engineered construction makes it an excellent choice for both sealed and ported enclosures, where it excels as a dedicated bass or mid-bass unit. Whether you are building a high-fidelity two-way bookshelf speaker, a centre channel, or a compact subwoofer system, this woofer provides a balanced and controlled low-frequency foundation that integrates seamlessly with tweeters and midrange drivers.

At the heart of the 6PF-8 lies a treated paper cone diaphragm, chosen for its natural damping characteristics and ability to reproduce vocals and instruments with clarity and warmth. The foam surround ensures precise cone control, reducing distortion and enabling a linear excursion of 3mm (Xmax) for clean, dynamic output. With a nominal impedance of 8 ohms and a DC resistance of 7.59 ohms, the woofer is compatible with a wide range of amplifiers. The ferrite magnet motor, combined with a Qts of 0.95, Qms of 3.67, and Qes of 1.3, yields a sensitivity of 87dB (1m/2.83V) and a total inductance of 1.09mH, ensuring efficient power handling and smooth frequency response. The 165.1mm diameter and 77.8mm mounting depth, with a cut-out diameter of 142.9mm and four fixing holes, make installation straightforward in most baffles. This woofer is a reliable, high-quality component for any discerning audio builder.
GRS 6PF-8 6-1/2" Paper Cone Foam Surroun...
6 490 Ft
GRS 6PF-8 6-1/2" Paper Cone Foam Surround Woofer
GRS 6PF-8 6-1/2" Paper Cone Foam Surround Woofer
6 490 Ft
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