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Alesis M1 ACTIVE Reference Manual page 37

Biamplified reference monitor
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Speclficdlons
SpeclrrcATloNs
Enclosure
Matedals and Construction
Front baffle painted in metallic charcoal-gray, one inch (1J thick MDF with radiused
edges to minimize diffraction. Sides and rearbaflle covered in metallic charcoal-gray
vinyl laminate, over five-eighths inch (0.625") thick MDF.
Multiple, internal, random spaced and lmgth edge boundary cleats break up and
elevate common frequency mode aberrations.
Dual ports with 45" inlet and flared, front baffle outlet allow precise, phase accurate
woofer-to-port frequency transition. Ports also aid in cooling intemally mormted
prinary amplifier heat sink.
Flush mount, rubber woofer trim ring allows consistent po$rer response
characteristic at wide off-axis angles. Flush-mount tweeter plate and Alesis M1
Active logo/pilot light plate also assure smooth off-axis r,esponse.
Ul-approved fibergLass acoustical darnping material damps intemal mid-frequency
reflections from rear of woofer cone before entering port, lessening M distortion.
Transducens
Low frequency driver:
6.5" (165mm) diameter dynarnic driver with proprietary non-woven carbon fiber
(NWCF) cone and 1.5" diameter, long-wind voice coil.
Santoprene surround with moderate intemal damping and constant linear
displacement Nomex spider. t5 mm X-max excursion capability.
Dual magnet structure uses top magnet in opposed ("bucking") configuration for
magnetic shieldinS (=10 gauss at outside edge of cabinet).
High frcquency
drlYer:
1" japanese-silkdome tweeter.
Medium viscosity ferrofluid cooling extends power handling while retaining impulse
response capability.
Dual magnet structure uses top magnet in opposed ("bucking") configuration for
magnetic shielding. Additional 16 gauge low carbon steel cup lowers leakage to =3
gauss at outside cabinet top or side.
5
IFI ACT]UE
RIFffi
ilAM'AL

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