12" ESS Boomer 4 Ohms

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.

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Possible return under conditions.
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Data sheet

Nominal impedance Z4ohm
Weight5 kg
Outside diameter305 mm
Rated power200 W
Maximum power400 W
Mean sound pressure level91.5 dB
Coil diameter51 mm
Resonance frequency fs24 Hz
Electrical Q factor Qes0.52
Mechanical Q factor Qms4.9
Total Q factor Qts0.47
Equivalent volume Vas6.69 ft.³
Diameter305 mm
Frequency response29 - 1 500 Hz
Le Inductance bobine (Le)0.73 mH
DC resistance. (Re)3.9 ohms
Linear Excursion (Xmax)6 mm

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12" ESS Boomer 4 Ohms

12" ESS Boomer 4 Ohms

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.