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Markaudio CHR-70 Silver 4" Full Range Aluminium Woofer
Price for 1 piece
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 Silver 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.
11 cm full range driver with metal cone. . The rubber surround is invers. The speaker has soldering lugs / faston terminals.
- power handling (continuous/programme) = 20 W
- frequency range = 60-30000 Hz
- resonance frequency fs = 65,4 Hz
- impedance R = 8 Ohm
- sound pressure level SPL = 85,4 dB (2,83V; 1m)
- DC resistance Re = 7,2 Ohm
- force factor BL = 4,2 N/A
- voice coil inductance L = 0,032 mH
- effective piston radiating area Sd = 50,2 cm2
- effective mechanical mass incl. air load mms = 4,1 g
- equivalent volume of compliance Vas = 5,17 l
- total Q factor Qts = 0,55 (Qms=2,66, Qes=0,69)
- voice coil diameter = 20 mm
- maximum peak linear excursion vibration xlin = +/- 4,3 mm
- mounting diameter d = 102 mm
- overall diameter d = 124 mm
- mounting depth (not countersunk) t = 56 mm
recommended cabinet 1:
closed cabinet with 3,7 L volume
from 96/61 Hz (-3dB/-8dB)
recommended cabinet 2:
15 L volume bass reflex cabinet
with HP50 reflex tube, 11 cm long.
from 43/37 Hz (-3dB/-8dB).
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Products from the same category
- Car Audio
- Hifi Home
- Marine Audio
- Speakers Technical
- Pro Audio
- Sport & Free Time
- Best offer of the week
Products from the same brand
- Car Audio
- Hifi Home
- Marine Audio
- Speakers Technical
- Pro Audio
- Sport & Free Time
- Best offer of the week