ESC
M400 Maestro

M400 Maestro

BrandAltec Lansing, Altec
ManufacturerMark IV Industries, Inc.
SeriesMaestro
FunctionSpeaker
Produced1990-1998
CountryUnited States
Form FactorBookshelf / Stand Mounted
Signal PathPassive Hardware
Dimensions45.1 × 58.4 × 22.9 cm (W × H × D)
Weight46lbs (Net), 49lbs (Shipped)
Frequency Response80Hz-20kHz
Treble7.16"x14.45" Constant Directivity Horn (Altec Lansing MR931-12, Altec Lansing 902-8B)
Midrange/Bass12" Paper Cone (Altec Lansing ER-12S)
Sensitivity (500Hz-3kHz)99.5dB/W/m
Impedance (Nominal)8Ω
Impedance (Minimum)6.5Ω
Crossover Frequency2kHz (Altec Lansing 56-06-027913)
Maximum Phase Angle (Inductive)48° (Frequency: 15Hz)
Maximum Phase Angle (Capacitive)69° (Frequency: 110Hz)
Dispersion (Horizontal)110°
Dispersion (Vertical)60°
Maximum Output121dB
Power Handling (80Hz-20kHz, AES)150W
Power Handling (Program)300W
Program Handling (Peak)600W
Enclosure TypeBass Reflex
Enclosure Construction0.75" Birch Plywood
FinishBlack