8-Inch Dual-Stack Ferrite Subwoofer - 775W + 775W (Peak)

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Tech Specs

About this item

• Premium 8 inch subwoofer from Fredo
• Comparable to Fredo 10 inch double magnet subwoofer
• Highest motor strength (BL 12.9 Tesla*Metre) in comparison to all Fredo 8 inch subwoofers
• 20% increase in bass compared to Fredo SVC/single magnet subwoofer
• Res. Frequency: 31Hz
• 120mm x2 (outer dia) and 20mm x 2 (thickness) Y30 grade ferrite magnets for powerful punch
• SPL: 88db
• Big roll foam surround
• Stitched cone
• Subwoofer weight is 3.25 Kgs without packing
• High Peak power of dual coils 775W+775W
• Pole piece and under spider venting
• Push fit/color coded/steel terminals
• 4 Ohms each coil/Single coil may be used for car/home use
• 30 liters of ported box volume is recommended

Power Ratings

• Nominal Power (Single Coil) = 155W
• Max Continuous Power (Single Coil) = 465W
• Spike/Peak Power Tolerance (Single Coil) = 775W
• RMS Power (Single Coil) = 110W, effective impedance 4 Ohms
• RMS Power (DVC wiring in parallel) = 220W, effective impedance 2 Ohms
• RMS Power (DVC wiring in series) = 55W, effective impedance 8 Ohms

TS Parameters (pertaining to single voice coil)

• Resonance Frequency = 31Hz
• Qms (mechanical) = 7.56
• Qes (electrical) = 0.49
• Qts (total) = 0.46
• BL (Motor Strength) = 12.9 Tesla*Metre
• Voice Coil Dia = 1.5inch + 1.5inch

BOX Recommendation

Independence to make Ported, Sealed, or Band Pass enclosure (Qts can be varied below 0.4 to above 0.7), as Fredo DVC drivers can be connected to variable resistance to one voice coil and an amplifier to another. (Variable resistance config)

Regulatory/Legal Compliance Info

• Country of Origin - India
• MRP ₹4806/-
• Packaging material does not include Thermocol, bubble wraps or any other environmental hazardous substance, to support GREEN INITIATIVE promulgated by Government of India.