FEATURES
• 1" Exit compression high frequency driver coupled to a specially designed conical
wave-guide horn provides exceptional output & accurate high frequency reproduction
• High efficiency cone woofer is optimally matched with a specially designed
crossover to insure even transition between components
• 90 Degree conical dispersion (@ 2000 Hz)
• Includes factory installed, 60W, 70.7/100V transformer
• Perfectly suited for use with Atlas Sound "Q" Series enclosures
APPLICATIONS
The 8CXT60 is optimized for high-ceiling applications such as arenas, convention
centers, gymnasiums and auditoriums. The extreme high efficiency and higher "Q" of
the 8CXT60, with its powerful 8" speaker and 1" exit compression driver, provides
the increased available SPL often required in these high ceiling applications. In
70.7V/100V systems, this high efficiency can also result in lower tap settings, which
can conserve amplifier power.
GENERAL DESCRIPTION
Model 8CXT60 is a 150 watt loudspeaker that combines an 8" diameter, low frequency transducer and a 1" exit, true compression driver. The unit features a curvilinear,
polypropylene cone for lower harmonic distortion, and a built-in crossover network for
proper frequency transition between the two reproducers. Both the low frequency
reproducer and the HF driver feature permanently aligned voice coils to assure distortion free performance. The copper voice coils have aluminum formers. Model
8CXT60 operates within a frequency response range of 48 Hz to 18 kHz (±10dB)
with a sensitivity of 92dB and a dispersion angle of 90°. The loudspeaker meets
functional and aesthetic application requirements by mounting a wide variety of
round and square Atlas Sound baffles and enclosures. For applications requiring
extended low-end performance, Atlas Sound offers a selection of 1 and 1.5 cu. ft.
enclosures (Q408, QS408, Q418, Q428-SA), allowing for a complete high output
solution. (see Q Series specification sheet #SL3-1091). In general, loudspeaker performance is significantly enhanced by larger back box size.
Model 8CXT60 includes a factory installed, high efficiency, 60W, 70.7/100V step down
line transformer. Power taps are provided at 7.5, 15, 30 and 60 Watts (@70.7V).
ARCHITECT AND ENGINEER SPECIFICATIONS
Frequency response range shall be 60 Hz to 15 kHz, ±3dB. Sensitivity shall be 92dB
at 1 watt, 1 meter. Voice coil impedance shall be 8 ohms (nominal). Low frequency
voice coil diameter shall be 2" (48mm). The maximum depth of the loudspeaker shall
not exceed 8" (203mm). The low frequency reproducer cone shall be a full 8" (203mm)
in diameter and the high frequency reproducer diaphragm shall be 2.5" (65mm) in
diameter. The woofer shall have a 25 oz. (708.7g) ceramic magnet. The tweeter shall
have a 20 oz. (567g) ceramic magnet. The two reproducer sections shall be coupled
through a built-in crossover network. The crossover frequency shall be at 2000 Hz.
Conical dispersion shall be 90 degrees at 2000 Hz. The unit shall include a factory installed transformer. Transformer primary voltage shall be 70.7V or 100V with a
frequency response range of 33Hz to 21kHz (±2dB) and power taps at 7.5, 15, 30 &
60 watts. Insertion loss shall not exceed 1dB. Unit shall be Atlas Sound 8" dia. loudspeaker Model 8CXT60.
Specifications subject to change without notice
2.33
One
1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333 / FAX (800) 765-3435
AtlasSound.com
TRUE COMPRESSION COAXIAL LOUDSPEAKER
AVAILABLE WITH TRANSFORMER
8CXT60
Full Range Compression Driver
Coaxial Speaker System
Frequency Response
(±10dB) Measured in Q408 48 Hz to 18 kHz
Frequency Response
(±3dB) Measured in Q408 68 Hz to 15 kHz
Power Handling* 150 Watts
Sensitivity 1W/1M** 92dB
Max. SPL @ 1M
(Transformer Limited @ 60W) 110dB
Crossover Frequency 2000 Hz
Dispersion Angle*** 90 Degrees
LF TRANSDUCER
Basket Material Cast Aluminum
Cone Material Polyproplene
Surround & Dampening Thermal Plastic Ealstomer
Voice Coil Diameter 2" (48mm)
Magnet Weight 25 oz. (708.7g)
HF COMPRESSION DRIVER
Diaphragm Material Titanium
Voice Coil Diameter 1" (25mm)
Voice Coil Former Material Aluminum
Voice Coil Material Copper
Throat Diameter 1" (25mm)
Magnet Weight 20 oz. (567g)
Top Plate Thickness 0.218" (5.56mm)
Transformer
Frequency Response: 33 Hz to 21 kHz (±2dB)
Primary Taps @ 70.7V: 60, 30, 15, 7.5
Maximum Insertion Loss 1dB
Depth & Diameter 8.25" (310mm)
Dia. & 8" (203mm) Deep
Mounting Dimensions 7.75" (295mm) Bolt Circle
Net Weight (Less Transformer) 11 lbs (4.99kg)
Warranty 5 Years
Suggested enclosure for Max Atlas Sound Q418
Low Frequency Performance (1
1
⁄2 Ft3, .042m3)
* Rated power based on EIA specification - The 8CXT60 is designed to comply with the power test
described in EIA Standard RS-426A. The EIA test spectrum is applied for eight hours. This procedure
provides a rigorous test of both thermal and mechanical failure modes.
** Averaged from 500 Hz to 2.5 kHz
*** Dispersion angle = 6dB down point at 2 kHz
© 2002 Atlas Sound Printed in U.S.A. 001002 ATS001304 RevA10/02 SL1-2013
Specifications subject to change without notice
© 2002 Atlas Sound Printed in U.S.A. 001002 ATS001304 RevA10/02 SL1-2013
POLAR RESPONSE
500 Hz
Fundamental
Fundamental vs. 2nd & 3rd Harmonics
Measured in Q408 Enclosure
(Transformer Bypassed)
8CXT60 Frequency Response
Measured in Q408 Enclosure
(Transformer Bypassed)
8CXT60 Impedance
Measured in Q408 Enclosure
(Transformer Bypassed)
POLAR RESPONSE
1000 Hz
POLAR RESPONSE
2000 Hz
POLAR RESPONSE
4000 Hz
1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333 / FAX (800) 765-3435
AtlasSound.com
8CXT60 OCTAVE BAND POLARS
Frequency (Hz)
Frequency (Hz)
dB Pa
Ohms Ω
dB Pa
Frequency
2nd Harmonic
3rd Harmonic
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