Altec Lansing Bias 550 active loudspeaker system Specifications

Sidebar: Specifications

Description: Five-way pentamplified moving-coil loudspeaker. Two 10" woven carbon-fiber (WCF) woofers; one each 8" midbass WCF woofer, 6" WCF midrange cone, 2" diamond-deposited polyamide dome, 1" diamond-deposited polyamide dome. Crossover frequencies: 80Hz, 450Hz, 1.5kHz, 4.5kHz. Amplifier powers: 250, 125, 125, 125, 75Wpc. Remote control (within ±6dB limits) of volume, balance, mute (complete), on/off, subwoofer, bass, midrange, high/midrange, high-level controls. Maximum output: 120dB at 2m, 40Hz–20kHz. Sensitivity: 100mV in for 90dB SPL out. Frequency response: 20Hz–22kHz, ±2dB. Input impedance: 22k ohms.
Dimensions: 71" H by 19" W by 24" D. Weight: 437 lbs each.
Price: $12,000/pair (1988); no longer available (2008). Number of dealers: 15.
Manufacturer: Altec Lansing Consumer Products Division of Sparkomatic (1988; Sparkomatic was renamed Altec Lansing Technologies in 1992), Route 6 & 209, Milford, PA 18337. Tel: (570) 296-4434. Fax: (570) 296-6887. Web:

Altec Lansing Technologies
Route 6 & 209
Milford, PA 18337
(570) 296-4434
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