M.A.D. (Microphase Audio Design)-Tower 4 Signature

M.A.D. (Microphase Audio Design)
Tower 4 Signature
Australia
Type: Passive
Positioning: Floorstanding
Way system: 2+sub
Nominal Impedance: 4 Ohm
Frequency Response: 3525.000 Hz -2,5dB
Crossover Frequency: 200/4000 Hz
Sensitivity: 90 dB
Dimensions (W x H x D): 25 x 120 x 44 cm
Produced since: 2025
Price (pair): USD 12.000 (2026)
3-way, 5-driver floorstanding speaker with an MTM configuration, featuring a built-in active subwoofer and a time-aligned AMT tweeter, housed in a cabinet made of marine-grade birch plywood with a clear polyurethane finish. The lower section of the cabinet houses an active subwoofer with two 25 cm shallow-profile bass drivers arranged in a push-pull configuration, each driven by a 150 W MOSFET amplifier—for a total of 300 W—with a custom crossover set at 200 Hz with a slope of 24 dB/octave. The midrange drivers are Audax, the AMT tweeters are from Mundorf, and the 25 cm low-profile bass drivers are from SBA Acoustics. Maximum power: 100 W for the MTM, 150 W MOSFET amplifier for each subwoofer bass driver.
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