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        CHP-70  Black  4" Full Range Paper Woofer

        CHP-70 Black 4" Full Range Paper Woofer

        €44,95

        Markaudio CHP-70 Black 4" Full Range Paper Woofer

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        Brand: Markaudio
        € 37,15€ 44,95 10+ In stock

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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 (SPL at 1m / 2.83V)
        86.5 dB
        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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