Altec lansing FM912-8A User Manual

FM912-8A

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FEATURES - THE ALTEC LANSING DIFFERENCE

• High Fidelity 12” / 300 mm Duplex®Speaker

• High Performance 125 W AES / 500 W Peak Power Handling

• Flexible Dual Aiming Angle (30°/60°) 18 mm/13-Ply Poplar
Cabinet Fills A Wide Variety Of Needs

• Cloth Covered Perforated Steel Grille

• Neutral Grille Cloth Included For Custom Color Matching

• Dual Neutrik

• Internal Steel Stand Adaptor

• Available in Charcoal Grey Or White Finishes

GENERAL PRODUCT DESCRIPTION

Based on Altec Lansing’s popular CD912-8B 12 inch / 300 mm

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Duplex
performance in a compact, easy-to-install package. The FM912­8A is well-suited for a variety of floor monitor applications in
Auditoria and Houses of Worship.

Altec Lansing’s high performance model CD912-8B Duplex
point-source 12 inch / 300 mm speaker with a robust corrosion­resistant die-cast frame and weather-resistant low frequency
speaker cone mated to a 1.5 inch phenolic tweeter assembly.
The extended frequency response insures that both voice and
music program material will be faithfully reproduced.

The unique dual aiming angles for 30° or 60° allows for
maximum versatility as a floor monitor. The internal stand­mount makes the FM912-8A an excellent choice for portable
applications. The charcoal grey or white painted cabinet blends
into most backgrounds, or it can be easily painted to match any
décor. Altec Lansing includes neutral grille cloth with each
speaker, allowing you to dye the cloth to integrate the speaker
into most surroundings.

To extend the low-frequency performance of the FM912-8A,
Altec Lansing offers the accessory model LF115-8A subwoofer.
The LF115-8A features a single 15 inch / 370 mm low frequency
speaker in a rectangular enclosure.

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Speakon®and 1/4” Phone Jack Input Connectors

speaker component, the FM912-8A offers superior

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is a

FREQUENCY RESPONSE

120 Hz - 15 kHz (±3 dB)

USABLE LOW FREQUENCY LIMIT (-10 dB)

80 Hz

SENSITIVITY

100 dB SPL

POWER HANDLING

125 W continuous; 500 W peak

MAXIMUM OUTPUT (1 m)

121 dB SPL continuous; 127 dB SPL peak

COVERAGE ANGLES

95o(horizontal) x 95o(vertical)

DIRECTIVITY FACTOR, Q

9.30

DIRECTIVITY INDEX, Di

9.68 dB

TRANSDUCER COMPONENTS

LF: 1x 12 in. Woofer in a Sealed Enclosure (CD912-8B)
HF: 1x 1.5 in. Phenolic Dome Tweeter (CD912-8B)

IMPEDANCE

Nominal: 8.0 Ohms
Minimum: 5.0 Ohms at 5,500 Hz

CROSSOVER FREQUENCY

Passive LF-HF: 2,200 Hz

HARMONIC DISTORTION

1% rated power 10% rated power

2nd Harmonic 0.24% 2nd Harmonic 0.74%
3rd Harmonic 0.38% 3rd Harmonic 0.62%
THD 0.63% THD 1.47%

INPUT CONNECTIONS

2x 1/4 inch phone jacks and 2x NL4

ENCLOSURE MATERIALS & FINISH

18 mm, 13 ply Poplar Plywood Finished with

Charcoal Grey or White Catalyzed Polyurethane

SUSPENSION SYSTEM

This loudspeaker is not designed for overhead suspension

DIMENSIONS

12.40 in. (H) x 16.00 in. (W) x 15.5 in. (D)
315 mm (H) x 406 mm (W) x 394 mm (D)

WEIGHT

Net: 30 lbs. (13.6 kg)
Shipping: 36 lbs. (16.4 kg)

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1000 W. Wilshire Blvd., Suite 362 • Oklahoma City, Oklahoma 73116 • Phone: [phone] • Fax: [phone] • www.altecpro.com

ARCHITECTS & ENGINEERS SPECIFICATION

The loudspeaker system shall be a two-way multi-purpose
type consisting of a 12 inch / 300 mm Duplex
component with a wide-dispersion dome tweeter. The
crossover network shall be a dual-section, 12 dB/octave
slope low pass and 12 dB/octave slope high pass with an
electro-acoustic crossover frequency of 2,200 Hz. The
loudspeaker system shall have an operating bandwidth of
120 Hz - 15 kHz with a sensitivity of 100 dB when
measured at a distance of one meter. The power handling
capability shall be 125 W AES (500 W peak). Nominal
impedance shall be 8.0 Ohms with a minimum impedance

®

loudspeaker

of 5.0 Ohms at 5,500 Hz. The loudspeaker shall have
nominal coverage angles of 95 degrees in the horizontal
plane and 95 degrees in the vertical plane. The unit shall
be a Sealed Enclosure, constructed of 18 mm Poplar
plywood painted charcoal grey or white with a cloth
covered metal grille. The cabinet shall include a steel
stand mount adapter. The dimensions shall be 12.40
inches (315 mm) high by 16.00 inches (406 mm) wide by

15.50 inches (394 mm) deep. The loudspeaker system shall
weigh 30 pounds (13.6 kg). The loudspeaker system shall
be the Altec Lansing Professional model FM912-8A.