40 years ago, back in 1981, Dave Wilson, Wilson Audio’s co-founder (along with his wife Sheryl Lee), sketched out what was to become the American brand’s first speaker, and one that divided opinions around the world, the Wilson Audio WAMM.
Now, Wilson Audio has released these original 1981 sketches, which you can see below.
Dave Wilson with the Wilson Audio WAMM
Wilson Audio WAMM
The Wilson Audio Modular Monitor (WAMM) was Dave Wilson’s first Loudspeaker. Many considered it a statement product, but Dave’s original focus was to find, and ultimately create the ideal reference tool that can be tuned and configured to the environment.
Dave Wilson’s original sketches for the Wilson Audio WAMM from 1981
One WAMM channel consists of two 6½’ towers. One contains subwoofers that operate below 55Hz. The other is a set of full-range arrays. The lower portion is the midbass module. Above this, is a machined unit consisting of two midrange modules, one placed below and one above an electrostatic high-frequency module. The system also includes an electronic crossover and an equaliser.
Original Wilson Audio WAMM sketch by Dave Wilson
WAMM Series 1 Original Technical Specifications
Released: 1981 Retired: 1982
Drivers
Midrange Modules: 2 – 4 1/2 inch Drivers
Midrange Modules: 2 – 1 inch Cloth Dome
Electrostatic Module: Electrostatic High-Frequency Arry (15 Panels)
Lower Module: 2 – 7 inch x 9 inch
Woofer: 1 – 18 inch
Original set up diagram for the Wilson WAMM
Measurements
Impedance: 4 ohms (Full-Range Array)
Impedance: 16 ohms (Subwoofer Tower)
Frequency Response: -3 dB at 17 Hz and 30,000 Hz (Adjustable)
Sensitivity: 2.83 V. input @ 300 Hz centered pink noise yields 96 dB @ 1 meter
Minimum Amplification: 20 Watts
Dimensions
Main Array Tower Height: 78 inches
Width: 18 3/4 inches
Depth: 31 3/4 inches
Weight: 193 lbs.
Subwoofer Towers: 78 inches
Subwoofer Width: 24 inches
Subwoofer Depth: 27 1/2 inches
Subwoofer Weight: 182 lbs.
Total System Weight: 750 lbs.
The most recent incarnation of the WAMM is the Wilson Audio WAMM Master Chronosonic, released in 2017 before Dave Wilson passed away in 2018, it is described as his Magnum Opus.
The original sketch of the WAMM logo
Wilson Audio Alexx V
Jumping back to the present, Wilson Audio’s newest speaker, the Alexx V, will be released on the 29th of March 2021…more info will follow.
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