GRS 6PR-8 6-1/2" Poly Cone Rubber Surround Woofer

GRS | Mid-bass driver

GRS 6PR-8 6-1/2" Poly Cone Rubber Surround Woofer

Name: GRS 6PR-8 mélysugárzó 2" | HQ AudioParts
Brand: GRS
SKU: 6PR-8
Price: 5990.00 HUF
Availability: InStock

SKU: 6PR-8

165.1 mm 8 Ω

Achieve accurate bass and mid-bass reproduction with a polypropylene cone and rubber surround for reduced distortion. This 6.5-inch driver delivers a total Q factor of 0.87, suitable for sealed or ported enclosures.

5 990 Ft

(4 717 Ft + VAT)

Own warehouse Out of stock

Külső raktár 2. 10+ pcs Aug 6.

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Technical data

Nominal diameter	165.1 mm
Impedance	8 Ω
Resonance frequency (Fs)	69 Hz
Sensitivity (SPL at 1 m / 2.83 V)	87 dB
Power tolerance (max)	85 W

Maximum linear deflection (Xmax)	3 mm
Total Q (Qts)	0.87
Electromagnetic Q (Qes)	1.16
Mechanical Q (Qms)	3.51
DC resistance (Re)	7.1 Ω
Voice coil inductance (L_e)	1.1 mH
BL product (BL)	6.1 T·m
The surface area of the cone (Sd)	140.3 cm²
Mechanical compliance of the suspension (Cms)	0.38 mm/N
Volume of displacement (Vd)	42 cm³
Woofer type	DL200 Audio DAC
Membrane material	Polypropylene
Surround material	Rubber
Voice coil diameter	38 mm
Magnetic material	Ferrite
Dimensions (mm)	165.1 mm
Diameter of the baffle cutout	142.9 mm
# Mounting holes	4
Depth	77.8 mm

The GRS 6PR-8 is a 6.5-inch poly cone rubber surround woofer designed to deliver accurate bass and mid-bass reproduction with reduced distortion. Engineered for audiophiles and DIY enthusiasts, this driver excels in sealed or ported enclosures, making it an ideal choice for high-fidelity sound systems, home theatre setups, or custom speaker builds where precise low-frequency response is paramount. Its robust construction ensures reliable performance across a variety of applications, from two-way designs to dedicated subwoofer configurations.

Featuring a polypropylene cone and rubber surround, the 6PR-8 minimises unwanted resonances for cleaner output. With a total Q factor (Qts) of 0.87, it offers a balanced blend of control and efficiency, while a sensitivity of 87 dB SPL (1m/2.83V) ensures adequate output with moderate amplification. The 7.1-ohm DC resistance and 1.1 mH voice coil inductance contribute to stable impedance behaviour. A maximum linear excursion (Xmax) of 3 mm and displacement volume (Vd) of 42 cm³ support dynamic bass reproduction. The driver measures 165.1 mm in nominal diameter, with a cut-out diameter of 142.9 mm, a depth of 77.8 mm, and four mounting holes for straightforward installation.

This woofer combines technical precision with versatile usability, offering a cost-effective solution for achieving clean, impactful low-end performance in your audio projects.