Description
Classic ESL 9 Specifications
Specifications are subject to change without notice
| Frequency Response | 34–23,000 Hz ±3dB |
| Recommended Amplifier Power | 20—400 watts per channel |
| Horizontal Dispersion | 30° |
| Vertical Dispersion | 44″ (112cm) line source |
| Sensitivity | 90 dB/2.83 volts/meter |
| Impedance | 4 Ohms, 0.8 at 20kHz Compatible with 4, 6, or 8 Ohm rated amplifiers. |
| Crossover Frequency | 380Hz |
| High Frequency Transducer | XStat™ CLS™ electrostatic transducer » Panel Dimensions: 44″ x 9.2″ (112 x 23cm) » Radiating Area: 405 in² (2,576 cm² ) |
| Low Frequency Transducer | Two 8” (20.3 cm) cast basket, high excursion, rigid aluminium cone woofers 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. (35.4 kg) |
| Dimensions | 59.8″ x 10.4″ x 25.4 ” (152cm x 26.4cm x 64.6cm) |
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