Atlas Sound fa138 Guida Specifiche

© 2001 Atlas Sound LP

Printed in U.S.A.

000501

SL1-1574

1601 JACK MCKAY BLVD. /  ENNIS, TEXAS 75119  U.S.A.  /  TELEPHONE: (800) 876-3333 /  FAX (800) 765-3435

SPECIFICATIONS  
Size: 8"  (203mm)
* Power Handling: 100 Watts Peak, 70 Watts RMS 
* Sensitivity (1W/1M): 89.5dB Average, 93dB Peak
Impedance: 8 Ohms Nominal
* Frequency Response:  75 Hz - 20 kHz (nominal) 85 Hz - 20 kHz (+5dB)
* Dispersion: 110° (2 kHz Octave Band, -6dB Points)
Crossover: 3,400 Hz 
Diameter & Depth: 8

1

⁄

4

" (210mm) Dia. &  3.75" (95mm) Deep

Mounting Dimensions: 7.75" (197mm) Bolt Circle
Cone Material: Polypropylene with Kevlar

®

Fiber

Surround Material & Damping: Butyl Rubber
Magnet Weight: Nominal,  21 oz. (580g)
Basket Material: Painted 19-gauge CRS 
VC Diameter: 1.5" (38mm)
VC Material: Copper
VC Former Material: Kapton
VC Winding Width: .465" (12mm)
Top Plate Thickness: .250" (6mm)
Weight:  4 lb. 6 oz. (2.1 kg)

(*Measured in FA97-8 Enclosure)

• Top-of-the-Line 8" Coaxial Loudspeaker Delivers Full-Frequency

Response with Superior Fidelity

• 100-Watt Unit Offers Extended Sound Pressure Levels for

High/Vaulted Ceiling Applications

• Patented System Design Provides Easy Installation  
• Conveniently Front Loads into Acoustically-Matched System

Enclosures or Mounting Ring 

• Choice of System Components Including: Six Transformers,

Acoustic Enclosure, Tile Bridge, Mounting Ring, Trim Ring,

and Four Hardware-Free Grilles

Utilize Strategy Series FA138 high-performance 8" coaxial loudspeaker for
installation in venues where superior performance and extended sound pres-
sure levels are desired. The FA138 reproduces music and voice with powerful
clarity and sensitivity to offer the highest quality music reproduction available in
an 8" loudspeaker. It is ideal for applications featuring moderately high or vault-
ed ceilings including restaurants, lobbies, convention centers, health clubs,
retail spaces, professional buildings and offices. The FA138 is part of the
Strategy Serieswhich features easy installation, quality performance and hard-
ware-free smaller styled grilles to satisfy the needs of owners, architects and
contractors. 

Model FA138 is Atlas Sound's premium  8" coaxial loudspeaker. This 100-watt
unit includes a circuit board mounted high-pass/low-pass crossover which pro-
duces outstanding sound quality. It incorporates a tapered backplate for
increased magnetic circuit efficiency and offers a frequency response of 85 Hz
- 20 kHz. Model FA138  contains a Kevlar

®

fiber reinforced polypropylene cone

woofer, a custom butyl rubber surround, a 1

1

⁄

2

" vented Kapton voice coil, a 21

oz. magnet and a 

1

⁄

2

" mylar-dome ferrofluid tweeter for clean and powerful

weather-resistant performance.

For optimum acoustic and application versatility, Model FA138 has been engi-
neered as a system with matched enclosure Model FA97-8, choice of trans-
formers and grilles. (For detailed information on accessories, refer to SL1-
1513.)  The Strategy Series FA97-8 high performance enclosure has a volume
of (.25 ft3) and is complete with acoustic batting. The enclosure installs into the
ceiling using only a screwdriver to adjust the rotating clamps, or to tighten con-
ventional screws. Loudspeaker front-loads into the enclosure and includes a
neoprene rubber gasket on the back of the speaker basket to seal the assem-
bly and optimize the low frequency response. It may also be mounted into a
wall or ceiling of minimum depth by using plaster/mounting ring Model FAPR-8.
Trim ring/rough-in bracket Model FA-TR8 spans 16" or 24" stud centers for
new construction sheet rock applications. Series includes a choice of four
grilles which feature three serrated studs for push-on installation to Strategy
Series enclosures or mounting ring.

70 watts

40 Hz

Xmax: .15"
Resistance: 6.2 ohms
Qts: .35

Qes: .37 
Qms: 9.7 
BL: 6.8 
Efficiency: 1.7
Vas: 3.6 (ft

3

)

Sd: 34.5 (in

2

)

Le@1kHz: .66 mH
Mms: .39 oz.
Cms: .26 in./lb.

—

—

—

FA97-8(NK)*

FA51-8 (11

1

⁄

8

" Dia. Round)

FA81-8 (Tile Bridge)

HT-47

70.7

.5, 1, 2 & 4

FA95-8

FA170-8 (11

1

⁄

4

" Square)

FAPR-8 (Plaster/Mounting Ring

HT-87

70.7

1, 2, 4 & 8

FA720-8 (11

1

⁄

8

" Dia. Round)

FA-TR8 (Trim Ring)

HT167       70.7

4, 8 & 16

(*Without Knockouts)

FA730-8 (11

1

⁄

8

" Dia. Round)