 |
|
The ceiling mount 2-way co-axial system shall incorporate a 4 inch low frequency transducer and a 0.75 inch titanium tweeter. The tweeter shall be mounted slightly off-center relative to the woofer in order to reduce destructive interference. The co-axial system’s low frequency driver shall be loaded into a sealed enclosure.
The co-axial system shall meet the following performance criteria: frequency response of 72 Hz to 20.0 kHz ±6 dB, measured on axis with appropriate signal processing; sensitivity of 88.0 dB SPL in half space at 1 meter with an input of 2.83V; continuous output of 104.0 dB SPL; peak output of 110.0 dB SPL on axis at 1 meter; power handling of 40 watts for 8 hours with an IEC noise signal; recommended amplifier power of 80 watts; nominal impedance of 8 ohms.
The loudspeaker shall have a switchable low-distortion, wide-bandwidth laminated core transformer with taps for 30, 15, 7.5 & 3.8 watts at 70V and 30, 15 & 7.5 watts at 100V. The co-axial system shall be switchable between 8 Ohm and constant-voltage operation.
The loudspeaker shall have a steel enclosure. It shall have a white paintable finish. Input connectors shall be parallel wired ceramic block or 4-pin Euro terminals in a fire protective sub-chamber. The co-axial system shall have a rails and C-ring for ceiling installation. The front of the co-axial system shall be protected by an injection molded high-impact polystyrene grill.
The co-axial system's enclosure shall be 7.5 in (19.1 cm) high, 7.5 in (19.1 cm) wide and 8.9 in (22.6 cm) deep. The loudspeaker shall weigh no more than 6.1 lb (2.7 kg).
The loudspeaker shall exceed Mil Spec 810 for humidity, salt spray and dust; it shall meet the IEC 60529 IP-X3 splash rating. The loudspeaker shall be listed as safe for use in air-handling spaces under UL1480 and UL2043. The switchable transformer shall be listed under UL1876 and shall comply with BS/EN 60849 safety standards.
The ceiling mount 2-way co-axial system shall be the QSC Audio Products AD-C42T.
The ceiling mount 2-way co-axial system shall incorporate a 5.25 inch low frequency transducer with a 1.0 inch voice coil, and a 1.0 inch titanium dome tweeter with a neodymium magnet. The tweeter shall be mounted slightly off-center relative to the woofer in order to reduce destructive interference. The co-axial system’s low frequency driver shall be loaded into a shallow, ported, 70 Hz tuned enclosure.
The co-axial system shall meet the following performance criteria: frequency response of 63 Hz to 20.0 kHz ±6 dB, measured on axis with appropriate signal processing; sensitivity of 87.5 dB SPL in half space at 1 meter with an input of 2.83V; continuous output of 103.0 dB SPL; peak output of 109.0 dB SPL on axis at 1 meter; power handling of 40 watts for 8 hours with an IEC noise signal; recommended amplifier power of 80 watts; nominal impedance of 8 ohms. The co-axial system shall have conical coverage of 100 degrees between -6 dB points.
The loudspeaker shall have a switchable low-distortion, wide-bandwidth laminated core transformer with taps for 30, 15, 7.5 & 3.8 watts at 70V and 30, 15, 7.5 & 3.8 watts at 100V. The co-axial system shall be switchable between 8 Ohm and constant-voltage operation.
The loudspeaker shall have a steel enclosure with an injection molded high-impact polystyrene baffle. It shall have a white paintable finish. Input connectors shall be parallel wired 4-pin Euro terminals in a fire protective sub-chamber. The co-axial system shall have a rails and brackets for ceiling tile installation, as well as a seismic tab for secondary support. The front of the co-axial system shall be protected by a heavy duty powder coated steel grill.
The co-axial system's enclosure shall be 12.63 in (32.09 cm) high, 12.63 in (32.09 cm) wide and 3.75 in (9.53 cm) deep. The loudspeaker shall weigh no more than 8.0 lb (3.6 kg).
The loudspeaker shall be suited for use in air handling spaces per UL2043 and UL1480.
The ceiling mount 2-way co-axial system shall be the QSC Audio Products AD-CI52ST.
The ceiling mount 2-way co-axial system shall incorporate a 5.25 inch low frequency transducer with a 1.0 inch voice coil, and a 1.0 inch titanium dome tweeter with a neodymium magnet. The tweeter shall be mounted slightly off-center relative to the woofer in order to reduce destructive interference. The co-axial system’s low frequency driver shall be loaded into a sealed enclosure.
The co-axial system shall meet the following performance criteria: frequency response of 85 Hz to 20.0 kHz ±6 dB, measured on axis with appropriate signal processing; sensitivity of 86.0 dB SPL in half space at 1 meter with an input of 2.83V; continuous output of 102.0 dB SPL; peak output of 108.0 dB SPL on axis at 1 meter; power handling of 40 watts for 8 hours with an IEC noise signal; recommended amplifier power of 80 watts; nominal impedance of 8 ohms. The co-axial system shall have conical coverage of 90 degrees between -6 dB points.
The loudspeaker shall have a switchable low-distortion, wide-bandwidth laminated core transformer with taps for 30, 15, 7.5 & 3.8 watts at 70V and 30, 15, 7.5 & 3.8 watts at 100V. The co-axial system shall be switchable between 8 Ohm and constant-voltage operation.
The loudspeaker shall have a steel enclosure injection molded high impact polystyrene baffle. It shall have a white paintable finish. Input connectors shall be parallel wired 4. The co-axial system shall have a rails and brackets for ceiling tile installation, as well as a seismic tab for secondary support. The front of the co-axial system shall be protected by heavy duty powder coated steel grill.
The co-axial system's enclosure shall be 8.5 in (21.59 cm) high, 8.5 in (21.59 cm) wide and 9.28 in (23.57 cm) deep. The loudspeaker shall weigh no more than 7.5 lb (3.4 kg).
The ceiling mount 2-way co-axial system shall be the QSC Audio Products AD-CI52T.
The ceiling mount subwoofer shall incorporate an 8 inch low frequency transducer. The subwoofer’s low frequency driver shall be loaded into a ported enclosure. The subwoofer shall have a passive internal crossover network with a 120 Hz low pass filter. The filter shall be defeatable from the front baffle to allow the use of outboard crossovers.
The subwoofer shall meet the following performance criteria: frequency response of 28 Hz to 100.0 Hz ±10 dB, measured on axis with appropriate signal processing; sensitivity of 92.0 dB SPL in free field at 1 meter with an input of 2.83V; continuous output of 112.0 dB SPL; peak output of 118.0 dB SPL on axis at 1 meter; power handling of 100 watts for 8 hours with an IEC noise signal; recommended amplifier power of 200 watts; nominal impedance of 8 ohms.
The loudspeaker shall have a switchable low-distortion, wide-bandwidth laminated core transformer with taps for 60, 30, 15 & 7.5 watts at 70V and 60, 30 & 15 watts at 100V. The subwoofer shall be switchable between 8 Ohm and constant-voltage operation.
The loudspeaker shall have a steel enclosure injection molded high impact polystyrene baffle. It shall have a white paintable finish. Input connectors shall be parallel wired ceramic block or 4-pin Euro terminals in a fire protective sub-chamber. The subwoofer shall have a rails and C-ring for ceiling installation. The front of the subwoofer shall be protected by heavy duty painted aluminum grill.
The subwoofer's enclosure shall be 12.6 in (32.1 cm) high, 12.6 in (32.1 cm) wide and 14.5 in (36.8 cm) deep. The loudspeaker shall weigh no more than 20.0 lb (9.1 kg).
The subwoofer shall be listed as safe for use in air-handling spaces under UL1480 and UL2043. The switchable transformer shall be listed under UL1876 and shall comply with BS/EN 60849 safety standards.
The ceiling mount subwoofer shall be the QSC Audio Products AD-C81Tw.
QSC and the QSC logo are registered trademarks of QSC Audio Products, LLC in the U.S. Patent and Trademark office and other countries. All other trademarks are the property of their respective owners. Patents may apply or be pending.
|