CHR-70 Champagne Full-range Woofer

44.95

  • The latest model, 3rd generation
  • Synthetic rubber surround
  • Nomex spider
  • Improved voice coil former
  • 10 in stock

    Description

    The MarkAudio CHR-70 has a light easy sound, a little warm, not so “shaped” so it will suit the listening tastes of many people. Its cone gives much musical detail and makes a very clear sound.

    Highlights

    • The latest model, 3rd generation
    • Synthetic rubber surround
    • Nomex spider
    • Improved voice coil former

    Product details

    Markaudio CHR-70 Champagne 4″ Full Range Aluminium Woofer 

    The CHR-70 (Gen. 3) is now up-dated 3 times since the first model was launched nearly 3 years back. This Gen. 3 driver has more high range performance. The frequency range now goes higher to 25-kHz. Bass response in the properly designed box can go low to just under 40Hz. It has a light easy sound, a little warm, not so “shaped” so it will suit the listening tastes of many people. Its cone gives much musical detail and makes a very clear sound. The driver has a medium efficiency of 85.5 dB at 8 Ohms making it easy to use on nearly all small to medium power amplifiers. The driver can easily fit into Bass-reflex and Vented box sizes from 4.4 liters to 10 liters internal volume. Many technical improvements have been made. Improved stiffer frame. New cap design with a new improved fitting method. New Japanese designed coil. New spider for improved bass. The new CHR-70 Gen. 3 is an excellent high-end and multi-purpose driver. Its also suitable for many computers, Home Theatre, TV, and commercial A/V applications.

    Specifications

    Article number

    CHR-70 Champagne
    EAN

    0691046947703
    Woofer Series
    Markaudio CH series
    Woofer Type
    Full-range
    Nominal Diameter
    4″
    Power Handling (RMS)
    20 Watts
    Impedance (Z)
    8 ohms
    Sensitivity (SPL at 1m / 2.83V)
    85.4 dB
    Frequency Response
    40 to 25.000 Hz
    Voice Coil Diameter
    0.78″
    DC Resistance (Re)
    7.2 ohms
    Resonant Frequency (Fs)
    65.4 Hz
    Mechanical Q (Qms)
    2.66
    Electromagnetic Q (Qes)
    0.69
    Total Q (Qts)
    0.55
    Diaphragm Mass Inc. Airload (Mms)
    3.9g
    Mechanical Compliance of Suspension (Cms)
    1.44 mm/N
    Surface Area of Cone (Sd)
    50.2 cm²
    BL Product (BL)
    4.2 Tm
    Compliance Equivalent Volume (Vas)
    0.18 ft.³
    Maximum Linear Excursion (Xmax)
    4 mm
    Cone / Diaphragm Material
    Aluminium
    Shipping & Delivery
    USPS Fast Shipping