Abbingdon Music Research Reference Class Proffessional Monitor LS-77 - Manual (Page 24)

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Figure 8.1 - Specifications Table
Sensitivity (2.83V/1m in room): 87dB
Long Term Power Handling (AES/RMS): 150W
Peak Program Power Handling : 600W
Impedance, nominal: 8Ohm
Impedance, minimal: 6Ohm
Frequency Response (in IEC Standard Room): 26Hz - 40kHz (+/-3dB)
Directivity Index (DI) 500-10KHz: 6dB (+/-3dB)
Low Frequency Driver: 243mm/10"Diameter, 100mm/4” Voice Coil
High Frequency Driver: 125mm/5" long isoplanar ribbon
Bass Enclosure Principle: Transmission Line Reflex Port
Weight: Speaker (each): 35 Kg / 73 lbs
Shipped (pair): 100 Kg / 220 lbs
Dimensions (W x H x D) each: 250 x 490 x 300mm / 10 x 19 x 12"
Crossover: AMR OptiSlope® design (60 dB/octave)
Information and specifications subject to change without notice.
Section 8.1 - Specifications