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Boston Acoustics 8″ Active Subwoofer Micro90pv
Boston Acoustics Micro 90C Center Channel Speaker — Made in USA
Dual 3.5-inch copolymer woofers flanking a 1-inch dome in a sealed cabinet rather than a ported one, which is why it can sit inside a cabinet or flat on a display without the boundary colorations a port brings. 100 Hz to 22 kHz, 90 dB, magnetically shielded, gold-plated 5-way posts. Made in USA; very good condition.
Boston Acoustics Micro 90X Satellite Speakers — Made in USA
Die-cast aluminum cabinets rather than the usual plastic — six pounds each for a satellite this size, which is the point of them. A 1-inch aluminum dome with Aperture Modal Damping crosses at 3,800 Hz to a 3.5-inch copolymer woofer; 120 Hz to 20 kHz, 89 dB, 8 ohms, so they want a subwoofer under them. Keyhole brackets fitted, magnetically shielded. Made in USA. Very good condition.
Compact Boston Acoustics Center Speaker Micro 90C
Solidly Built Boston Acoustics Center Speaker CRC
Two 4.5-inch copolymer cones — one driven, one a passive radiator that reinforces the bass with no port noise — either side of a 1-inch Kortec soft dome crossing at 2,500 Hz. The active driver carries a coaxial phase plug that pulls heat off the voice coil. 80 Hz to 20 kHz, 89 dB, 8 ohms, 15 to 100 watts. MagnaGuard shielded, so it can sit on a television.