Altec Lansing

A10/MR945A Voice of the Theatre


Main Details
Maker Altec Lansing Brand Altec Brand Altec Lansing Corporation Company Mark IV Industries, Inc. Company Voice of the Theatre Series
Form Factor Floorstanding
Signal Path Passive Hardware
Made In United States
Date Produced 1989
(H × W × D)
Weight 154lbs
Frequency Response 45Hz-13kHz
Additional Specifications
Treble 32"x26.8" Constant Directivity Horn Altec MR945A Mantaray, Altec 906-8A
Midrange/Bass 16" Paper Cone (x2) Altec 3154
Sensitivity (Treble) 112dB/W/m
Sensitivity (Midrange/Bass) 97dB/W/m
Impedance (Treble, Nominal) 8Ω
Impedance (Midrange/Bass, Nominal) 4Ω
Crossover Frequency (Recommended) 500Hz Recommended Crossover: Altec Lansing 1631A
Crossover Slope (Recommended) 18dB/Oct Third Order
Maximum Output (Treble) 128dB
Maximum Output (Treble, Peak) 134dB
Maximum Output (Midrange/Bass) 122dB
Maximum Output (Midrange/Bass, Peak) 128dB
Dispersion (Horizontal) 90°
Dispersion (Vertical) 40°
Power Handling (Treble, Nominal) 40W
Power Handling (Treble, AES Peak) 160W
Power Handling (Midrange/Bass, Nominal) 500W
Power Handling (Midrange/Bass, AES Peak) 2000W
Enclosure Type Bass Reflex Altec 8254
Enclosure Construction 0.75" Particleboard
Finish Gray


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