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 35 Hz

Electrical Q QES 2.08

Mechanical Q QMS 5.97

Total Q factor QTS 1.54

Suspension equivalent air volume VAS 149.5 litres

DC resistance RE 7.56 Ω

Voice coil inductance LE 1.15 mH

Maximum linear excursion Xmax ± 3.5 mm

Efficiency η₀ 0.3 %

Efficiency bandwidth product EBP 16

Overall diameter 304.8 mm

Baffle hole diameter 281 mm

Mounting depth 119.1 mm

Diaphragm material Treated Paper

Voice coil diameter 38.1 mm

Magnet Ferrite

GRS 12PF-8 12" poly-laminated paper cone woofers are perfect for use in sealed-box home theater and music systems.

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 12PF-8 12" Paper Cone Foam Surround Woofer

GRS 12PF-8 12" poly-laminated paper cone woofers are perfect for use in sealed-box home theater and music systems. Thanks to their carefully optimized parameters, GRS 12PF-8 12" 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: 12PF-8 12" Paper Cone Foam Surround Woofer

• Woofer SeriesReplacement woofer
• Woofer TypeMidwoofer
• Nominal Diameter12"
• Power Handling (RMS)120 Watts
• Power Handling (max)240 Watts
• Continuous Program Power
• Impedance8 ohms
• Sensitivity87 dB 1W/1m
• Frequency Response35 to 5,000 Hz
• Voice Coil Diameter1.5"
• Magnet Weight
• DC Resistance (Re)7.56 ohms
• Voice Coil Inductance (Le)1.15 mH
• Resonant Frequency (Fs)35 Hz
• Mechanical Q (Qms)5.97
• Electromagnetic Q (Qes)2.08
• Total Q (Qts)1.54
• 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)5.28 ft.³
• Maximum Linear Excursion (Xmax)3.5 mm
• Driver's Mechanical Losses (Rms)
• Cone / Diaphragm MaterialTreated Paper
• Surround Material
• Voice Coil Wire Material
• Voice Coil Former
• Dual Voice Coil
• Basket / Frame Material
• Magnet MaterialFerrite
• Shielded
• Overall Outside Diameter12"
• Overall Depth4.69"
• Baffle Cutout Diameter11.0625"
• Bolt Circle Diameter
• # Mounting Holes8
• Mounting Hole Diameter
• Sealed Volume2.92 ft.³
• Sealed F340 Hz
• Vented Volume73 ft.³
• Vented F319 Hz
• Overall diameter 304.8 mm
• Baffle hole diameter 281 mm
• Mounting depth 119.1 mm
• Diaphragm material Treated Paper
• Voice coil diameter 38.1 mm
• Magnet Ferrite