225,0 € tax incl.
How do you find a 12" woofer that matches the speed, accuracy, and audiophile performance of the ESS Air Motion Transformer? Look at the ESS 689-1220 12" cast frame speaker! The ESS 689-1220 incorporates fine engineering and uncompromising materials, resulting in an accurate, reliable, and eminently listenable bass woofer.
A treated and reinforced paper cone, combined with a high-strength 40 oz. ceramic magnet and 2" copper voice coil, provides ultra-fast transient response that really makes music come alive. The woofer's cast aluminum frame is strong and rigid—necessary if you want to enjoy music for years to come.
Warning: Last items in stock!
|Nominal impedance Z||4ohm|
|Outside diameter||305 mm|
|Rated power||200 W|
|Maximum power||400 W|
|Mean sound pressure level||91.5 dB|
|Coil diameter||51 mm|
|Resonance frequency fs||24 Hz|
|Electrical Q factor Qes||0.52|
|Mechanical Q factor Qms||4.9|
|Total Q factor Qts||0.47|
|Equivalent volume Vas||6.69 ft.³|
|Le Inductance bobine (Le)||0.73 mH|
|DC resistance. (Re)||3.9 ohms|
|Linear Excursion (Xmax)||6 mm|
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