Atlas C12BT60 Specifications

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12" COAXIAL LOUDSPEAKER WITH TRANSFORMER

C12BT60

(Front View)

12" Full Range Coaxial Speaker System

Frequency Response (±10dB)

Frequency Response (±3dB)

*Power Handling

**Sensitivity 1W/1M

Max. SPL @ 1M (Transformer Limited @ 60W)

Nominal Impedance

Crossover Frequency

***Dispersion Angle

LF TRANSDUCER

Basket Material

Cone Material

Surround Material & Dampening

Voice Coil Diameter

Magnet Weight

HF TRANSDUCER

Diaphragm Material

Voice Coil Diameter

Voice Coil Former Material

Voice Coil Material

Magnet Weight

Top Plate Thickness

Transformer

Diameter & Depth

Mounting Dimensions

Net Weight (Less Transformer)

Warranty

Recommended Enclosure For Maximum

Low Frequency Performance****

Rated power based on EIA specification -

Averaged from 500 Hz to 2.5 kHz

***

Dispersion angle = 6dB down point at 2 kHz

****

When used in full space anechoic with the Atlas Sound Q4412 two cu. ft. enclosure the

C12BT60 operates within a frequency response range of 68 Hz - 20 kHz (±3dB). Sensitivity

is 95dB (1W/1M). Dispersion angle is 90° @ 2kHz.

1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A.

TELEPHONE: (800) 876-3333 / FAX (800) 765-3435

(Rear View)

40Hz to 20kHz

68Hz to 15kHz

100 Watts

95dB

113dB

8ohm

2750Hz

90 Degrees

Cast Aluminum

Treated Paper

Treated Accordian Cloth Edge

1.5" (38mm)

30 oz. (.85kg)

Treated Laminated Silk

1" (25mm)

Aluminum

Copper

10 oz. (283g)

0.125" (3mm)

Frequency Response: 33Hz to 21kHz (±2dB)

Primary Taps @ 70.7V: 60,30,15,7.5

Maximum Insertion Loss 1dB

12.875" (327mm) Dia. & 4.1875" (106mm) Deep

11.625" (295mm) Bolt Circle

10.5 lbs (4.76kg)

5 Years

Atlas Sound Q4412 (2 Ft

, .054m

)

Specifications subject to change without notice

01002

FEATURES

• Professional quality sound reproduction at a competitive price

• Includes factory-installed line-matching transformer

• Ideal for multi-purpose commercial, industrial and institutional use

• Mounts a wide selection of Atlas Sound baffles

• Coaxial loudspeaker with 12" diameter low frequency and

1" diameter high frequency reproducer

APPLICATIONS

Enhance audio quality and listener appreciation of engineered sound

systems with the superior sound reproduction and power handling

capacity of the Atlas Sound Model C12BT60. Professional quality 12"

coaxial loudspeaker with factory installed 60-watt line-matching trans-

former is ideal for application in restaurants, night clubs, lounges, the-

aters, airports, waiting rooms, shopping malls, houses of worship or any

commercial, industrial and institutional application, with high ceilings.

GENERAL DESCRIPTION

Atlas Sound Model C12BT60 is a professional quality coaxial loudspeak-

er for use where full range music and voice reproduction are desired.

Model C12BT60 combines a 12" diameter low frequency reproducer and

a 1" diameter high frequency, post-mounted reproducer. The unit features

a curvelinear, treated paper cone for lower harmonic distortion and a

built-in crossover network for determining proper frequency selection

between the two reproducers. Both the low frequency reproducer and the

tweeter feature permanently aligned voice coils (1.5" and 1" diameter,

respectively) to assure distortion free performance.

The copper voice coils have an anodized aluminum former. The com-

petitively priced unit assures smooth frequency response in a high

power handling mode. For best results, enclosures with a volume of 2

cu. ft. or greater (including Atlas Sound Models Q4412 or Q4612) are

recommended. Additional Q Series enclosure models with a volume

up to 6 cu. ft. will satisfy requirements with different low frequency

emphasis. The loudspeaker will also provide outstanding performance

when front or rear mounted in vented or sealed enclosures. A factory

installed 60 watt line transformer is included with the package, however,

the transformer can be easily bypassed for 8 ohm applications.

Amplifier output wiring connections to the loudspeaker are "pig tail"

leads loudspeaker weight is 10.5 lbs (4.76kg).

ARCHITECT & ENGINEER SPECIFICATIONS

Frequency response range shall be 68Hz to 15kHz, ±3dB in full

space anechoic environment when mounted in a 2 cu. ft. enclosure.

Sensitivity shall be 95dB at 1 watt, 1 meter. Voice coil impedance

shall be 8 ohm (nominal). Low frequency voice coil diameter shall be

11⁄2" (38mm). High frequency voice coil diameter shall be 1" (25mm).

The maximum depth of the loudspeaker shall not exceed 4.1875"

(106mm). Basket shall be made of cast metal. Loudspeaker shall be

capable of front and rear mounting in sealed or vented enclosures

and weigh 10.5 lbs (4.76kg). The low frequency reproducer cone shall

be a full 12" (305mm) in diameter and the high frequency reproducer

diaphragm shall be 1" (25mm) in diameter. The woofer shall have a

30oz. (.85kg) ceramic magnet. The tweeter shall have a 10 oz.

(.283kg) ceramic magnet. The two reproducer sections shall be cou-

pled through a built-in crossover network. The crossover frequency

shall be at 2750Hz. Conical dispersion shall be 90 degrees at 2kHz.

Unit shall include factory-installed line transformer. Transformer pri-

mary 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.

AtlasSound.com

ATS001417 RevB 10/02

C12BT60

2.37

SL1-2020