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      Markaudio CHP-70 Black 4" Full Range Paper Woofer

      € 37,15€ 44,95 10+ In stock
      • -5% Order 4 for only € 42,70 per piece

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      Product description

      The MarkAudio CHP-70 driver is designed to make a semi-vintage classic sound similar to the smaller full range driver designs from the 1950ʼs. Its middle-high range output has been made to "roll-off" from 7-kHz up.

       

      Highlights

      • Synthetic rubber surround
      • Nomex spider
      • Improved voice coil former

       

      Product details

      Markaudio CHP-70 Black 4" Full Range Paper Woofer

       

      This updated (Gen. 2) CHP-70 driver is designed to make a semi-vintage classic sound similar to the smaller full-range driver designs from the 1950ʼs. Its middle-high range output has been made to "roll-off" from 7-kHz up. This helps to keep the high range sounding smooth and warm. This driver makes the singer's voice sound very natural, a little warm, pleasing for many hours of listening.

       

      The CHP-70 Gen. 2 will assist in the control of sharp or hard sounding compressed music (digital). This CHP delivers a tone that appeals to classic music enthusiasts using smaller amplifiers. The off-axis and sound-spread of the CHP-70 are excellent. This driver can fill a room environment with an "easy listening" experience, especially for the human voice. The bass response from the CHP-70 Gen. 2 in a properly tuned box is excellent for this smaller sized driver. Typically, in a Bass-Reflex or Vented box, lower responses close to 40Hz can be obtained.

       

      Several technical improvements have been done, such as 1 - Improved stiffer frame. 2 - New cap design with a new improved fitting method. 3 - New Japanese designed coil. 4 - New spider for improved bass. The CHP-70 Gen. 2 is an excellent "classic" and "natural" sound driver. The CHP-70 Excursion Arrestor will make a sound when exceeding the driver’s excursion limits.

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      Specifications

      Article number
      CHP-70 Black
      Woofer Series
      CH Series
      Woofer Type
      Full-range
      Nominal Diameter
      4"
      Power Handling (RMS)
      20 Watts
      Impedance (Z)
      8 ohms
      Sensitivity
      86.5 dB 2.83V/1m
      Voice Coil Diameter
      0.78"
      DC Resistance (Re)
      7.2 ohms
      Resonant Frequency (Fs)
      50.2 Hz
      Mechanical Q (Qms)
      2.3
      Electromagnetic Q (Qes)
      0.76
      Total Q (Qts)
      0.52
      Diaphragm Mass Inc. Airload (Mms)
      3.7g
      Mechanical Compliance of Suspension (Cms)
      1.31 mm/N
      Surface Area of Cone (Sd)
      50.2 cm²
      BL Product (BL)
      4.2 Tm
      Compliance Equivalent Volume (Vas)
      0.16 ft.³
      Maximum Linear Excursion (Xmax)
      4 mm
      Cone / Diaphragm Material
      Paper
      Overall Outside Diameter
      4.88"
      Overall Depth
      2.2"
      Baffle Cutout Diameter
      4.41"
      # Mounting Holes
      4

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      CHP-70  Black  4" Full Range Paper Woofer
      € 37,15
      € 44,95
      CHP-70 Black 4" Full Range Paper Woofer
      10+ In stock
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