The Adamson M15 multi-purpose loudspeaker features an extremely low profile, symmetrical pentagon design, with a 50-degree conical waveguide. This unique combination allows any two enclosures to work together in a mirror image monitor configuration.
The M15 is loaded with a single Adamson ND15-L Kevlar Neodymium Driver, marking the launch of Adamson’s Advanced Cone Architecture – This breakthrough technology makes the ND15-L the only 15” driver with zero axial modes in its entire passband, dramatically increasing the linearized mid-range response, while maintaining a rock solid bottom end (impossible to achieve with a 15” paper driver). The top end is covered by a 4” high frequency compression driver, giving it extremely high SPL throughout the bandwidth. The lightweight package (56.5 lbs/25.63 kg) can be equipped with a switchable internal crossover, allowing bi-amped or passive operation.
Frequency Range (+/-3 dB) 50 Hz - 18 kHz
Nominal Directivity (-6 dB) H x V 50° x 50°
Maximum Peak SPL** 137.8 dB Active, 137.3 dB Passive
Components LF ND15-L 15" Kevlar Neodymium Driver
Components HF B&C DE1000 4" Diaphragm / 1.5" Exit Compression Driver
Nominal Impedance LF 8 Ω
Nominal Impedance HF 8 Ω
Nominal Impedance Passive 8 Ω
Power Handling (AES / Peak) LF 500 / 2000 W
Power Handling (AES / Peak) HF 140 / 560 W
Power Handling (AES / Peak) Passive 640 / 2560 W

MASS™ Rigging System

Connection 4x Speakon™ NL4
Height Front (mm / in) 356 / 14
Width (mm / in) 724 / 28.5
Depth (mm / in) 429 / 16.9
Weight (kg / lbs) 25.4 / 56
Supported Processing Lake, XTA


MASS System Multi-Purpose Plate (932-0010) Rigging plate for M15
Mass Dual Plate (932-0013) Dual cabinet rigging plate
MASS System Horizontal Kit W/Plates (932-0025) Mass system U-bar, assembly and plates
MASS System Dual Axis Kit W/ Plates (932-0026) Mass system U-bar, L bar, assembly and plates
Mass System Fly Track (pair) (932-0008) Fly track assembly for M15
M15 Roadcase Twinpack (900-0005) Upright case opens vertical for two M15 Cabinets


M15 Spec Sheet One page spec sheet for the M Series M15 220.4 KB
Lake LoadLibrary Adamson LoadLibrary for Lake Controller 6.X 25.65 MB
M15 User Manual User Manual detailing operating instructions for the M15 cabinet 1.46 MB
3D CAD Drawings 3D CAD Drawings of all M-Series enclosures 1.01 MB


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