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    ESB Audio - 1.10SD4 10”/250 mm DVC 4+4 ohm Subwoofer

    ESB Audio - 1.10SD4 10”/250 mm DVC 4+4 ohm Subwoofer

    by ESB
    $222.22 - $222.22
    $222.22
    $222.22 - $222.22
    $222.22

    Specifications
    Type: Dual Voice Coil Subwoofer
    Series: ESB 1 Series
    Speaker Size: 10" (250 mm)
    Configuration: Dual 4Ω Coils (4Ω + 4Ω)
    Power Handling (RMS): 300 W
    Power Handling (Peak): 600 W
    Nominal Impedance: 4 Ω Per Coil
    Sensitivity (1W/1m): 88 dB
    Frequency Response: 30 Hz – 450 Hz

    Voice Coil
    • Diameter: 2" (50 mm)
    • Construction: Copper Winding on High-Temp Aluminum Former
    • Cooling: Vented Pole Piece + Multi-Port Voice Coil Venting

    Cone & Suspension
    • Cone Material: Treated Pressed Paper Composite (Warm, musical tone)
    • Surround: High-Roll Rubber Surround (Controlled linear excursion)
    • Spider: Progressive Nomex® Suspension
    • Dust Cap: Reinforced Low-Mass Dome

    Motor & Basket
    • Magnet: High-Density Ferrite Magnet Assembly
    • Basket: Stamped Steel Frame with Anti-Resonance Reinforcement
    • Motor Venting: Rear Vent + Side Gap Vent Channels

    Terminals
    • Type: Heavy-Duty Push Terminals
    • Wire Capacity: Up to 10 AWG

    Physical Dimensions
    Mounting Depth: 5.0" (127 mm)
    Cutout Diameter: 9.1" (231 mm)
    Displacement: 0.07 cu ft (2.0 L)
    Weight: 11.2 lbs
    Warranty: 1-Year Manufacturer Warranty

    Performance Specs
    • Tuned for warm, accurate low frequencies with smooth roll-off.
    • Dual 4Ω coils provide flexible amplifier matching (2Ω / 8Ω configurations).
    • Suspension and motor optimized for clean bass at moderate-to-high volume.
    • Works well in compact sealed or efficient ported enclosures.

    Key Features
    • Dual 4Ω Voice Coil Flexibility – Ideal for a wide range of amplifier setups.
    • Damped Paper Cone – Natural bass response with musical detail.
    • High-Roll Surround – Allows increased excursion without distortion.
    • Reinforced Spider – Maintains accurate motion under power.
    • ESB Tuning – Balanced bass character, not boomy or muddy.

    Performance Integration Notes
    • Ideal Amplifier Pairing: 300–500 W RMS Mono Amplifier (2Ω stable recommended).
    • Recommended Sealed Enclosure: 0.7–1.0 cu ft (19.8–28.3 L).
    • Recommended Ported Enclosure: 1.25–1.5 cu ft (35.4–42.5 L) tuned @ 34–36 Hz.
    • Best Use: SQ / daily driver bass upgrades, Harley bag woofer installs, compact trunk systems.
    • Installation Time: ~45 minutes.

    Pro Tip:
    When installing in Harley bags, apply a high-pass filter at 28–30 Hz and low-pass at 75–90 Hz for clear, controlled low end that doesn’t blur vocals.