GRS 8PF-8 Woofer 8" 20 cm - membrana in carta 8 Ohm

GRS - Great Replacement Speakers

Ottimi altoparlanti per chi ha bisogno di sostuire i propri fuori uso. Le caratteristiche permottono a questi altoparlanti di addattarsi facilmente in tutte le situazioni. Ovviamente sono validi anche per progetti ex-novo!

Resonant frequency fS 51 Hz

Electrical Q QES 1.17

Mechanical Q QMS 4.58

Total Q factor QTS 0.93

Suspension equivalent air volume VAS 26.9 litres

DC resistance RE 7.59 Ω

Voice coil inductance LE 1.11 mH

Maximum linear excursion Xmax ± 3 mm

Efficiency η₀ 0.3 %

Efficiency bandwidth product EBP 43

Overall diameter 203.2 mm

Baffle hole diameter 185.9 mm

Mounting depth 87.4 mm

Diaphragm material Paper

Voice coil diameter 38.1 mm

Magnet Ferrite

If you are looking for a low-cost, high-performance 8" replacement speaker, check out the GRS 8PF-8!

Highlights

Perfect for use in sealed-box home theater and music systems
Poly-laminated paper cone, treated foam surround, and polymer dust cap
Smooth frequency response with minimal cone breakup
 

Product Details

GRS 8PF-8 8" Paper Cone Foam Surround Woofer

If you are looking for a low-cost, high-performance 8" replacement speaker, check out the GRS 8PF-8! Thanks to their carefully optimized parameters, GRS 8PF-8 8" poly-laminated paper cone woofers offer a high degree of compatibility when used as replacement speakers—they also provide excellent performance in new projects, too.

Specifications for: 8PF-8 8" Paper Cone Foam Surround Woofer

• Woofer SeriesReplacement woofer
• Woofer TypeMidwoofer
• Nominal Diameter8"
• Power Handling (RMS)100 Watts
• Power Handling (max)200 Watts
• Continuous Program Power
• Impedance8 ohms
• Sensitivity87 dB 1W/1m
• Frequency Response55 to 6,000 Hz
• Voice Coil Diameter1.5"
• Magnet Weight
• DC Resistance (Re)7.59 ohms
• Voice Coil Inductance (Le)1.11 mH
• Resonant Frequency (Fs)
• Mechanical Q (Qms)4.58
• Electromagnetic Q (Qes)1.17
• Total Q (Qts)0.93
• Diaphragm Mass Inc. Airload (Mms)
• Moving Mass Of Diaphragm (Mmd)
• Mechanical Compliance of Suspension (Cms)
• Surface Area of Cone (Sd)
• Volume of Displacement (Vd)
• BL Product (BL)
• Compliance Equivalent Volume (Vas)0.95 ft.³
• Maximum Linear Excursion (Xmax)3 mm
• Driver's Mechanical Losses (Rms)
• Cone / Diaphragm MaterialPaper
• Surround Material
• Voice Coil Wire Material
• Voice Coil Former
• Dual Voice Coil
• Basket / Frame Material
• Magnet MaterialFerrite
• Shielded
• Overall Outside Diameter8"
• Overall Depth3.44"
• Baffle Cutout Diameter7.32"
• Bolt Circle Diameter
• # Mounting Holes4
• Mounting Hole Diameter
• Sealed Volume1.3 ft.³
• Sealed F354 Hz
• Vented Volume4.91 ft.³
• Vented F330 Hz