Scan-Speak Revelator 28W/4878T00 Subwoofer
Scan-Speak Revelator 28W/4878T00 Subwoofer
Scan-Speak Revelator 28W/4878T00 Subwoofer
Scan-Speak Revelator 28W/4878T00 Subwoofer
    Scan-Speak Revelator 28W/4878T00 Subwoofer
    Scan-Speak Revelator 28W/4878T00 Subwoofer
    Scan-Speak Revelator 28W/4878T00 Subwoofer
    Scan-Speak Revelator 28W/4878T00 Subwoofer

    Scan-Speak Revelator 28W/4878T00 Subwoofer

    SHIPMENT IN 7/10 WORKING DAYS
    €699.00
    Tax included
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    Scan-Speak Revelator 28W/4878T00 Subwoofer

    The 28W/4878T00 is a very powerful 28cm subwoofer, with its large 3” voice coil, extreme linear excursion and low resonance frequency is it perfect to reproduce the deepest frequencies.

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    Scan-Speak Revelator 28W/4878T00 Subwoofer

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    Product description

    Paper sandwich cone

    Spider with balanced tinsel leads

    3” Voice coil, Titanium former and paper reinforced

    Patented Symmetrical Drive motor

    Extreme linear excursion (+/-14 mm)

    Stiff and strong die cast aluminium chassis

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    Product details

    Scan-Speak Revelator 28W/4878T00 11" Subwoofer

    The 28W/4878T00 is a very powerful 28cm subwoofer, with its large 3” voice coil, extreme linear excursion and low resonance frequency is it perfect to reproduce the deepest frequencies. It features a paper-sandwich cone with very high stiffness and relative low weight. The motor system has heavy duty copper sleeves for optimizing eddy currents and minimizing self-induction.

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    Suggested Box Alignments:

    1.5 cubic feet sealed box for 3dB down of 48Hz and 6dB down of 32Hz

    3.0 cubic feet with 3" vent by 13" long for 3dB down of about 22Hz

    2.75 cubic feet with 3" vent by 15" long for f3 of 23Hz

    2.5 cubic feet wtih 3" vent by 17" long for f3 of 25Hz

    The sealed box used with a plate amplifier with bass boost might be a nice little subwoofer. The port length on the vented boxes is pretty long. Be sure you leave at least 3" to the back wall, preferably more. 

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    Specifications

    Article number28W/4878T00
    Woofer SeriesRevelator series
    Woofer TypeSubwoofer
    Nominal Diameter11"
    Power Handling (RMS)200 Watts
    Power Handling (max)500 Watts
    Impedance (Z)4 ohms
    Sensitivity (SPL at 1m / 2.83V)88.2 dB
    Voice Coil Diameter3"
    DC Resistance (Re)3.1 ohms
    Voice Coil Inductance (Le)0.5 mH
    Resonant Frequency (Fs)18 Hz
    Mechanical Q (Qms)5.6
    Electromagnetic Q (Qes)0.32
    Total Q (Qts)0.3
    Diaphragm Mass Inc. Airload (Mms)114.5 g
    Mechanical Compliance of Suspension (Cms)0.68 mm/N
    Surface Area of Cone (Sd)363 cm2
    BL Product (BL)11.2 Tm
    Compliance Equivalent Volume (Vas)4.49 ft.³
    Maximum Linear Excursion (Xmax)14 mm

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    28W/4878T00
    2 Items

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