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

      € 578,47€ 699,95 2 In stock: delivery time 1-4 business days
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      Product description

      Highlights

      • 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

       

      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.

       

      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. 

      Specifications

      Article number
      28W/4878T00
      Woofer Series
      Revelator series
      Woofer Type
      Subwoofer
      Nominal Diameter
      11"
      Power Handling (RMS)
      200 Watts
      Power Handling (max)
      500 Watts
      Impedance (Z)
      4 ohms
      Sensitivity
      88.2 dB 2.83V/1m
      Voice Coil Diameter
      3"
      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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      Revelator 28W/4878T00 11" Subwoofer
      € 578,47
      € 699,95
      Revelator 28W/4878T00 11" Subwoofer
      2 In stock: delivery time 1-4 business days
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