Alpha 428 LA

Twin 8” High Performance Installation Line Array

TECHNICAL SPECIFICATIONS

ACOUSTIC

Frequency Response (-3 dB) - 50 Hz - 22 kHz

Frequency Range (-10 dB) - 47 Hz - 22 kHz

Rated Power - Passive 
                        1200W Continuous, 4800W Peak

                        Bi-amp
                        LF: 1000W Continuous, 4000W Peak
                        HF: 200W Continuous, 800W Peak

Maximum SPL - 140 dB (with the Alpha Max Preset)

Sensitivity - 103 dB

Nominal Impedance - Passive: 8 ohms,
                                      Bi-amp
                                      LF: 8 ohms, HF: 8 ohms

Coverage Pattern - 140° x 20°

LF Driver - 2 x 8" Low Distortion Transducers, 3" VC - Ferrite

HF Driver - 1 x 1.75" neodymium compression driver, 2" VC

Crossover Frequency - 1.1 kHz or Bi-amplified

AESTHETIC

Enclosure - Marine Birchwood Cabinet, Premium Grade

Grill - Powder-coated durable grill with acoustically transparent foam

Finish - British Acoustics' Signature Brown Finish

Mounting System - Integrated 4-point Rigging System with Lock-n-StockTM Mechanism