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Markaudio CHR-70 Black 4" Full Range Aluminium 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.
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Highlights
The latest model, 3rd generation
Synthetic rubber surround
Nomex spider
Improved voice coil former
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Product details
Markaudio CHR-70 Black 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 Black
- Woofer Series CH Series
- Woofer Type Full-range
- Nominal Diameter 4"
- Power Handling (RMS) 20 Watts
- Impedance (Z) 8 ohms
- Sensitivity 85.4 dB 2.83V/1m
- 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
- 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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Products from the same category
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Products from the same brand
- Car Audio
- Hifi Home
- Marine Audio
- Speakers Technical
- Pro Audio
- Sport & Free Time
- Best offer of the week