Do you have a question about the Altec 619-8A CEILING SPEAKER and is the answer not in the manual?
Features independent magnetic, electrical, and mechanical operation for each speaker element.
All components are mounted directly to the loudspeaker frame for integrated design.
Includes a prewired dual full-section dividing network and a mounting plate for transformers.
Offers front- or rear-mounting for ceiling installations requiring wide conical distribution.
Duplex coaxial system with 75W continuous pink noise power rating (40-15,000 Hz).
Frequency response 40 Hz-15 kHz; sensitivity 100 dB SPL at 4' with 1W input.
Specifications include 8-ohm impedance, 28 Hz cone resonance, 90° pattern, 3"/1.5" voice coils.
Features ceramic magnets (4.8 lbs LF, 8.5 oz HF) and a reinforced die-cast aluminum frame.
Dual full-section network with 1500 Hz crossover; 16" diameter by 9" deep.
Mounting data for baffle opening and bolt centers; optional line transformers available.
Two-way wide-angle system with 15" LF cone, HF driver, horn, and dual dividing network.
Details power rating, frequency response, pressure sensitivity, impedance, and resonance.
Specifies conical distribution, crossover, voice coils, magnets, dimensions, weight, and model number.