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        CHR-70 Champagne 4" Full Range Aluminium Woofer

        Markaudio CHR-70 Champagne 4" Full Range Aluminium Woofer

        €44,95

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        Markaudio CHR-70 Champagne 4" Full Range Aluminium Woofer

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        3 reviews
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        Brand: Markaudio
        Show all Full-range woofer
        4" | 8 Ω
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        € 37,15€ 44,95 Out of stock
        • -5% Purchase 4 for only € 42,70 per piece
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        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        CHR-70 Champagne 4" Full Range Aluminium Woofer

        Product description Markaudio CHR-70 Champagne Full-range Woofer

        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.

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        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

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        Reviews

        3 reviews
        Review this product
        5 of 5
        Great speaker for its price. I used it in a 12 litre ported enclosure and it goes below 50Hz with a deep bass. A notch filter is required around 1KHz because there were a few peaks in that area. Off axis response is a bit problematic. More measurements and build log are available here: https://myaudioadventures.wordpress.com/2024/06/16/diy-full-range-speaker-with-markaudio-chr-70-driver/ Pros: Full range, great bass response. Excellent pric...

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        By Jon Ronen-Drori on 26 November 2024
        5 of 5
        -
        By J on 6 October 2024
        Show more
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        € 37,15
        € 44,95
        CHR-70 Champagne 4" Full Range Aluminium Woofer
        Out of stock
        Add to cart
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