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Performance Specifications:

Radiating Surface:

294.0 in

2

(1869.0cm

2

) Planar Diaphragm

Tweeter System:

0.82 lb (0.37 kg) Magnet with 1.02” (26mm) voice

coil, 12dB/octave high-pass crossover @ 2kHz

Woofer System:

0.82 lb (0.37 kg) Magnet with 1.02” (26mm) voice

coil; 12dB/octave low-pass crossover @ 2kHz

Frequency Response:

70Hz – 20kHz ±4dB

Power Rating:

60 Watts RMS as per EIA standard RS-426-A

Pressure Sensitivity:

90dB SPL @ 1 meter

System Impedance:

4 ohms nominal; 3.5 ohms minimum

Transformer:

Primary Voltage — 70.7 Volts

Primary Taps — 0.5, 1, 2, 4, 8, 16, 32 Watts; 

8-ohm bypass

Dispersion:

140° hemispherical, up to 20kHz (see Polar

Response graphs)

Finish:

Primed surface ready to receive supplied vellum

overlay

Overload Protection:

Two  independent self-resetting gel switches 

(low frequency and high frequency)

Dimensions (H x W x D): 21” x 14” x 3” (534mm x 350mm x 76mm)
Product Weight:

7.7 lbs. (3.5kg) each

Shipping Weight:

16 lbs. (7.3kg) each, including finishing supplies

and vellum overlay

Included Supplies:

Vellum overlay, joint compound, overlay 

adhesive, measuring cup, rubber standoffs,

screws, washers, hex key

212 Avenida Fabricante
San Clemente, CA 92672
(800) 592-4644 • (949) 492-5449
FAX: (949) 361-5151

www.soundadvance.com

Architects and Engineers Specification:

The aesthetic SA2C loudspeaker shall be a two-way, full-range device, produc-
ing frequencies from 70Hz to 20 kHz. Total radiating surface shall be 294.0 in

2

(1869.0cm

2

) and high frequency dispersion shall be 140° to at least 20kHz in

both horizontal and vertical planes. 
The loudspeaker system shall have a sensitivity of 90dB (1W/1m), with a power
rating of 60 watts RMS as per EIA standard RS-426-A. The loudspeaker shall
have independent self-resetting custom gel switch protection devices for the
high-frequency driver and the low-frequency driver.
The loudspeaker shall have an exterior frame constructed of extruded 
aluminum that is 21” (533mm) high by 14” (356mm) wide and 3” (76mm) in
total unit depth, not including backbox. The loudspeaker shall fit into standard
wall and ceiling construction and occupy an area of approximately 2.0 ft

2

(0.19m

2

). 

One (1) loudspeaker with normal mounting hardware shall weigh 7.7 lbs.
(3.49kg).
The loudspeaker shall be the Sound Advance SA2C or equivalent.

Polar Response:

Required accessories:

PBB4:

4” deep backbox for wall 
installation. 
21¼” H x 14¼” W x 3¼” D
(540mm x 362mm x 83mm)
8.4 lb (3.8kg)

PBB6:

6” deep backbox for ceiling
installation.
21¼” H x 14¼” W x 5¼” D
(540mm x 362mm x 133mm)
10.1lb (4.6kg)

SA2C

Invisible In-Wall/In-Ceiling Speaker

©2006 Sound Advance. All Rights Reserved. Sound Advance and Planar Diaphragm Technology are trademarks or registered trademarks of Dana Innovations.

Specifications subject to change without notice. For the latest Sound Advance product information please go to 

www.soundadvance.com

06/06

500Hz

300°

330°

30°

60°

270°

50dB

40dB

30dB

20dB

10dB

0dB

90°

50dB

40dB

30dB

20dB

10dB

0dB

1kHz

300°

330°

30°

60°

270°

50dB

40dB

30dB

20dB

10dB

0dB

90°

50dB

40dB

30dB

20dB

10dB

0dB

2kHz

300°

330°

30°

60°

270°

50dB

40dB

30dB

20dB

10dB

0dB

90°

50dB

40dB

30dB

20dB

10dB

0dB

500Hz

1kHz

2kHz

4kHz

300°

330°

30°

60°

270°

50dB

40dB

30dB

20dB

10dB

0dB

90°

50dB

40dB

30dB

20dB

10dB

0dB

8kHz

300°

330°

30°

60°

270°

50dB

40dB

30dB

20dB

10dB

0dB

90°

50dB

40dB

30dB

20dB

10dB

0dB

16kHz

300°

330°

30°

60°

270°

50dB

40dB

30dB

20dB

10dB

0dB

90°

50dB

40dB

30dB

20dB

10dB

0dB

4kHz

8kHz

16kHz

On-Axis Frequency Response:

dB

25

50

40

30

20

10

0

kHz

20

210

5

200

500

1

Hz

100

50

20

0

10

20

30

40

50

dB

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