Atlas C10A, C10AT25, C10AT70, C10AT72 Specifications
8” DUAL CONE LOUDSPEAKER
AVAILABLE WITH TRANSFORMER
C10A
Series
C10A
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)
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, treatedpaper cone for lower harmonic distortion. The loudspeaker is also
equipped with a full 1" diameter copper voice coil with a blackanodized 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.
ONE
THIELE-SMALL PARAMETERS
Pe: 15 Watts
Fs: 125Hz
Xmax: .05
"
Resistance: 7.3 Ohms
Qts: .80
SPKR./
XFMR.
MODELS
C10AT25
C10AT70
C10AT72
INCLUDES
XFMR.
LT-25 25V
LT-70 70.7V
LT-72 25/70.7V
Qes: .95
Qms: 5.2
BL: 7.9 N/A
Efficiency: 1.9%
Vas: .32 (ft
PRIMARY
VOLTAGE
3
)
100Hz - 10kHz, ±1.5dB .5, 1, 2 & 5 8Ω 1.5dB
100Hz - 10kHz, ±1.5dB .5, 1, 2, & 5 8Ω 1.5dB
100Hz - 10kHz, ±1.5dB .5, 1, 2 & 4 8Ω 1.5dB
1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333 / FAX (800) 765-3435
© 2006 Atlas Sound LP Printed in U.S.A. 00706 ATS002420 RevA 07/06 SL1-1542
2
Sd: 33.2 (in
)
Le@1kHz: .36 mH
Mms: .39 oz.
Cms: .024 in./lb.
TRANSFORMER SPECIFICATIONS
XFMR. FREQUENCY
RESPONSE
PRIMARY
TAPS
(WATTS)
SECONDARY
IMPEDANCE
Specifications subject to change without notice
INSERTION
LOSS
CORE
SIZE
1
⁄2" x 5⁄8" (13 x 16mm) 5W
1
⁄2" x 5⁄8" (13 x 16mm) 5W
1
⁄2" x 5⁄8" (13 x 16mm) 4W
POWER
RATING
AtlasSound.com
71
ARCHITECT & ENGINEER SPECIFICATIONS
Unit shall be Atlas Sound 8" loudspeaker Model ______ or
loud speak er/trans form er combination Model ______ (utilizing linematching trans form er Model ______). It shall have a (10 oz.) ceramic
magnet and a seamless cone. Frequency response range shall be
_____________.
C10A: Frequency Response
Sensitivity shall be _______. Voice coil shall be black anodized
aluminum to help dissipate heat, have an impedance of 8 Ohms and
a diameter of 1" (25mm). Transformer primary voltage shall be ____
with a frequency response range of _______. Insertion loss shall not
exceed ____.
FREQUENCY (Hz)
C10A: Impedance
FREQUENCY (Hz)
C10A : Fundamental vs 2nd & 3rd Harmonic (Raised 20dB)@ 1 Watt
Octave Bands Normalized to Zero On Axis
Specifications subject to change without notice
FREQUENCY (Hz)
C10A: Frequency Response Overlay at 0, 15, 30 & 45 degrees
1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333 / FAX (800) 765-3435
© 2006 Atlas Sound LP Printed in U.S.A. 00706 ATS002420 RevA 07/06 SL1-1542
AtlasSound.com
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