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© 2006 Atlas Sound LP Printed in U.S.A. 00706 ATS002420 RevA 07/06 SL1-1542
SPKR./
XFMR.
MODELS
INCLUDES
XFMR.
TRANSFORMER SPECIFICATIONS
PRIMARY
VOLTAGE
XFMR. FREQUENCY
RESPONSE
PRIMARY
TAPS
(WATTS)
SECONDARY
IMPEDANCE
INSERTION
LOSS
CORE
SIZE
POWER
RATING
C10AT25
LT-25 25V
100Hz - 10kHz, ±1.5dB .5, 1, 2 & 5 8Ω 1.5dB
1
⁄2" x
5
⁄8" (13 x 16mm) 5W
C10AT70
LT-70 70.7V
100Hz - 10kHz, ±1.5dB .5, 1, 2, & 5 8Ω 1.5dB
1
⁄2" x
5
⁄8" (13 x 16mm) 5W
C10AT72
LT-72 25/70.7V
100Hz - 10kHz, ±1.5dB .5, 1, 2 & 4 8Ω 1.5dB
1
⁄2" x
5
⁄8" (13 x 16mm) 4W
1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333 / FAX (800) 765-3435
AtlasSound.com
Specifications subject to change without notice
71
ONE
SPECIFICATIONS
Size: 8" (203mm)
Power Handling: 25 Watts Peak, 15 Watts RMS
Sensitivity: 97dB Peak, 94dB Average
Impedance: 8 Ohms Nominal, 8 Ohms Minimum
Frequency Response: 45Hz-19kHz Nominal, 85Hz-8kHz +5dB
Dispersion: 105˚ (2 kHz Octave Band, -6dB Points)
Diameter & Depth: 8.125" (205mm) Dia. & 2.875" (73mm) Deep
Mounting Dimensions: 7.625" (194mm) Bolt Circle
Cone Material: Treated Paper
Surround Material & Damping: Damped Self Edge
Flux Density: 10,600 Gauss, 1.06 Tesla
Magnet Weight: Nominal, 10 oz. (260g)
Basket Material: Stamped Plated 20 ga. CRS
VC Diameter: 1" (25mm)
VC Material: Copper
VC Former Material: Black Anodized Aluminum
VC Winding Width: .225"
Top Plate Thickness: .239"
Weight: 32 oz. (908g)
8” DUAL CONE LOUDSPEAKER
AVAILABLE WITH TRANSFORMER
C10A
Series
C10A
FEATURES
• Acoustically Proven, General Purpose 25-Watt Loudspeaker
• Includes Choice of Factory-Installed Line-Matching Transformer
• Ideal for Multi-Purpose Commercial, Industrial and Institutional Use
• Mounts a Wide Selection of Atlas Sound Baffles
APPLICATIONS
Utilize Atlas Sound’s Model C10A, 8" dual-cone loud speak er for
dependable voice, music and signal re pro duc tion in commercial,
in dus tri al and in sti tu tion al communication systems. It is the industry
standard for performance and service reliability in general purpose
applications. Model includes a choice of eight factory-installed line
match ing transformers to meet a wide range of project requirements.
(For more information on Atlas Sound trans form ers, see sales sheet
#SL1-1369.)
GENERAL DESCRIPTION
Model C10A is a dual cone, 25W 8" (203mm) loudspeaker with a
10 oz. (260g) ceramic magnet. It includes a curvelinear, treated-
paper cone for lower harmonic distortion. The loudspeaker is also
equipped with a full 1" diameter copper voice coil with a black-
anodized aluminum former for better power dissipation.
Model C10A operates within a frequency response range of
45Hz to 19kHz with a sensitivity of 97dB and a dispersion angle
of 105˚.
It mounts a wide variety of Atlas Sound round and square baffles and
enclosures to meet functional and aesthetic application requirements.
THIELE-SMALL PARAMETERS
Pe: 15 Watts
Fs: 125Hz
Xmax: .05
"
Resistance: 7.3 Ohms
Qts: .80
Qes: .95
Qms: 5.2
BL: 7.9 N/A
Efficiency: 1.9%
Vas: .32 (ft
3
)
Sd: 33.2 (in
2
)
Le@1kHz: .36 mH
Mms: .39 oz.
Cms: .024 in./lb.