Atlas Sound FC104-T70 - Manual (Page 2)

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A
TS002794
RevB
9/08
FC104 Beamwidth (-6dB)
FC104 Frequency Response
FC104 Impedance (Ohms) vs. Frequency
FC104 Polars (Normalized to Zero on Axis) (-6dB)
Architect & Engineer Specifications
Unit shall be Atlas Sound 4" diameter loudspeaker Model FC104 or
loudspeaker / transformer Model ______. Loudspeaker shall be listed
by Underwriters Laboratories (UL 1480 General Signaling) to U.S. and
Canadian safety standards. The cone shall be the damped, high-compli-
ance type. Base unit (without transformer) shall have a smooth extended
fre quen cy re sponse over a range of 150 Hz – 17 kHz and a power rating
of not less than 10 watts program. The dispersion angle shall be 135° (-6
dB, 2 kHz octave band). The magnet shall be a 10 oz. (283g) ceramic type
providing the 1" (25 mm) voice coil to operate in a magnetic field
of at least 10,500 gauss. Voice coil impedance shall be 8 ohms.
Sensitivity shall be 94 dB (measured at 1 W / 1 M input). Free-air
resonance shall be 101 Hz. Trans form er primary volt age shall be ____
(25V, 70.7V, 100V) with a fre quen cy re sponse range of __________ and
power taps at ______ watts. Insertion loss shall not exceed ___dB. The
maximum depth of the loud speak er (Not including transformer) shall not
exceed 2
1 ⁄
4
" (57 mm). Unit shall be used in conjunction with Atlas Sound
baffle Model __________ and Enclosure Model __________.