MartinLogan classic ESL 9, User Manual

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System Frequency Response:
34–23,000 Hz ± 3db
Recommended Amplifier Power:
50–400 watts per channel at 4 Ohms
Dispersion:
Horizontal: 30 Degrees
Vertical: 44” (112 cm) line source
Sensitivity:
90 dB/2.83 volts/meter
Impedance:
Nominal: 4 ohms, 0.8 ohms @ 20 kHz
Crossover Frequency:
380 Hz
High/Mid Frequency Driver:
44” x 9.2” (112 x 23.4 cm) CLS XStat electrostatic
(405 in
2
/2,621 cm
2
)
Woofers:
2x 8” (20.3cm) cast basket, high excursion, rigid aluminum
cone with extended throw drive assembly, non-resonance
asymmetrical chamber format.
Components:
Custom-wound audio transformer, air core coils, low DCR
steel laminate coils, polyester capacitors
Signal Inputs:
Custom 5-way bi-wire tool-less binding posts
Power Draw
Max: 2W per channel
Standby: <1W per channel
Weight:
78 lbs. each (35.4 kg)
Size (H x W x D):
59.8” × 10.4” × 25.4” (152 × 36.4 × 64.6 cm)
*Specifications are subject to change without notice.
CLASSIC ESL 9 SPECIFICATIONS*
English