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      Markaudio Alpair-12PW 8" Paper Woofer

      € 115,66€ 139,95 1 In stock: In stock
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      Product description

      The Alpair 12PW is a audiophile grade paper and glass strand reinforced coned bass-mid driver. Along with its full-range sister drivers, 6P,10P and 12P, the Alpair 12PW is designed for the serious music listener. The 12PW’s relatively flat response is designed to deliver a neutral sound. The mid-high range gradually falls away above 10kHz.

       

      Highlights

      • Gradual roll-off @10kHz
      • Lightweight paper cone
      • Longthrow suspension
      • Flat response

       

      Product details

      Markaudio Alpair-12PW 8” Paper Woofer

       

      The Alpair 12PW is a audiophile grade paper and glass strand reinforced coned bass-mid driver. Along with its full-range sister drivers, 6P,10P and 12P, the Alpair 12PW is designed for the serious music listener. The 12PW’s relatively flat response is designed to deliver a neutral sound. The mid-high range gradually falls away above 10kHz.

       

      The development of this driver follows its full-range sister unit, the Alpair 12P. Both drivers are Semi-Free-To-Air designs, relying solely on their rear suspensions for mechanical operation. The Alpair 12PW has a reinforced rear suspension and a new coil to enable handling of typical audiophile low frequency loads (not constant low frequency loads).

       

      The 12PW has a long mechanical throw, limited by its arrestor to 8.5mm (1 way). This driver is a low-mass design, its power-train has a moving mass of 11.7 grams yet delivers a Vas of 45 litres with a total Q of 0.39, making it ideal for larger scale purist box designs.

       

      An all-new computer controlled bonding process deployed on this driver, delivering ultra tight tolerances in critical parts of the 12PW’s power-train assembly.

       

      The 12PW is primarily designed to be partnered with the Alpair 7P yet will also be a excellent partner for many tweeters. The marriage between 7P and 12PW promises much in the way of deep rich bass and fine mid-high range detail.

      Specifications

      Article number
      Alpair-12PW
      Woofer Series
      Alpair Series
      Woofer Type
      Midwoofer
      Nominal Diameter
      8"
      Power Handling (RMS)
      40 Watts
      Impedance (Z)
      8 ohms
      Sensitivity
      87.5 dB 2.83V/1m
      Frequency Response
      30 to 12,000 Hz
      Voice Coil Diameter
      1"
      DC Resistance (Re)
      5.4 ohms
      Voice Coil Inductance (Le)
      0.49 mH
      Resonant Frequency (Fs)
      73.4 Hz
      Mechanical Q (Qms)
      1.44
      Electromagnetic Q (Qes)
      0.54
      Total Q (Qts)
      0.39
      Diaphragm Mass Inc. Airload (Mms)
      11.69 g
      Surface Area of Cone (Sd)
      147.4 cm²
      BL Product (BL)
      5.31 Tm
      Compliance Equivalent Volume (Vas)
      1.59 ft.³
      Maximum Linear Excursion (Xmax)
      8.5 mm
      Cone / Diaphragm Material
      Paper
      Surround Material
      Rubber
      Basket / Frame Material
      Glass-Fibre
      Magnet Material
      Ferrite
      Overall Outside Diameter
      8.15"
      Overall Depth
      3.78"
      Baffle Cutout Diameter
      6.61"
      Bolt Circle Diameter
      7.32"
      # Mounting Holes
      4

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      Alpair-12PW 8" Paper Woofer
      € 115,66
      € 139,95
      Alpair-12PW 8" Paper Woofer
      1 In stock: In stock
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