Altec Lansing CF208 CEILING SPEAKER Manuel utilisateur

CF208-4T

CF208-8T

CF208-8TWG

CF208-4T-71

CF208-8T-71

CF208-8TWG-71

8” Ceiling Speakers

SPECIFICATION

Frequency Response

82 – 17,000 Hz +/- 5dB

Low frequency limit (-10 dB)

65 Hz

Power Handling

10 W EIA, 40 W peak

Sensitivity (SPL - 1 W 1m)

98 dB

Maximum Output (Peak SPL)

114 dB

Magnet Weight

0.63 lb (0.29 kg)

Impedance

Nominal - 8 Ohms

Minimal - 8.7 Ohms

DIMENSIONS

CF208-4T/CF208-4T-71

Height: 3.31 in (73 mm)

Diameter: 8.07 in (205 mm)

CF208-8T/CF208-8T-71

Height: 3.31 in (73 mm)

Diameter: 8.07 in (205 mm)

CF208-8TWG/CF208-8TWG-71

Height: 3.39 in (88.5 mm)

Diameter: 12.87 in (327 mm)

Net Weight

CF208-4T

3 lbs 8 oz (1.6 kg)

CF208-8T

3 lbs 8 oz (1.6 kg)

CF208-8TWG

4 lbs 12 oz (2.2 kg)

CF208-4T-71

3 lbs 12 oz (1.7 kg)

CF208-8T-71

3 lbs 12 oz (1.7 kg)

CF208-8TWG-71

5 lbs (2.3 kg)

SHIPPING Weight

CF208-4T

3 lbs 15 oz (1.8 kg)

CF208-8T

4 lbs 3 oz (1.9 kg)

CF208-8TWG

5 lbs 15 oz (2.7 kg)

CF208-4T-71

4 lbs 5 oz (2.0 kg)

CF208-8T-71

4 lbs 5 oz (2.0 kg)

CF208-8TWG-71

6 lbs 5 oz (2.9 kg)

Transformer

CF208-4T

4 Watt 25 V/70 V each with taps

@ 4 W, 2 W, 1 W and 0.5 W

CF208-8T

8 Watt 25 V/70 V each with taps

@ 8 W, 4 W, 2 W and 1.0 W

CF208-8TWG

8 Watt 25 V/70 V each with taps

@ 8 W, 4 W, 2 W and 1.0 W

CF208-4T-71

4 Watt 70 V/100 V with taps @ Z

4 W, 2 W, 1 W AND 0.5 W

CF208-8T-71/CF208-8TWG-71

8 Watt 70 V/100 V with taps @

8 W, 4 W, 2 W and 1 W

CF208 Series

GENERAL PRODUCT DESCRIPTION

The Altec Lansing Professional CF208 series is the result of

dedicated research into professional applications of speech

intelligibility and high fidelity music reproduction. The CF208

family is an excellent choice for ceiling applications in

educational facilities, office buildings, commercial facilities and

shopping malls. The moisture resistant 8 inch / 200 mm speaker

also has a corrosion-resistant frame for rust prevention. To aid

in the dispersion of higher frequencies, the loudspeaker

employs an acoustically isolated free-edge cone. The optional

transformers (4 and 8 Watts) feature a low < 1.0 dB insertion

loss. Our international versions feature a < 0.6 dB insertion loss

4 W and 8 W 70 V/100 V tranformer. For convenience, the WG

version features a factory-installed round white metal grille and

8 Watt line transformer.

FEATURES – THE ALTEC LANSING DIFFERENCE

• Superior entry level 8 inch/ 200 mm loudspeaker

• 10 W EIA / 40 W peak power handling

• Corrosion-resistant speaker frame

• Special moisture resistant cone material

• 4 W or 8 W 25 V / 70 V factory-mounted < 1 db insertion

loss transformers

• International versions with factory-mounted 70 V/100 V

transformer

• The “WG” version features a factory-installed

corrosion-resistant white round metal grille

PROFESSIONAl

1000 W. Wilshire Blvd., Suite 362 • Oklahoma City, Oklahoma 73116 • Phone: 1-405-848-3108 • Fax: 1-405-848-3217 • www.altecpro.com

ARCHITECTS & ENGINEERS SPECIFICATION

The loudspeaker shall be an Altec Lansing Professional CF208

series with an 8 inch (200 mm) full-range speaker, acoustically

isolated free-edge high frequency cone and corrosion-resistant

speaker frame. The speaker shall have a power rating of 10 W

EIA / 40 W peak. The frequency response shall be 82 to 17,000

Hz +/- 5 dB with a sensitivity of 98 dB @ 1 W 1 m. All

transformers shall have a low < 1.0 dB insertion loss and 25 V /

70 V taps. The model numbers shall be Altec Lansing

Professional CF208-4T/CF208-4T-71 with a 4 Watt 25 V/70 V

transformer, a CF208-8T/CF208-8T-71 with an 8 Watt 25 V/70 V

transformer, and a CF208-8TWG/CF208-8TWG-71 with a 8 Watt

25 V/70 V transformer and factory assembled corrosion-resistant

round white metal grille.E

ENCLOSURES AND BAFFLES

The CF208-series ceiling speakers will fit on standard

8 inch (200 mm) baffles, enclosures and back boxes.

All measurements were made in a standard AES baffle

for a 12 inch driver. The driver was housed in a 1.0 ft3(0.028

m3) enclosure.

Please note that larger volume enclosures will result in altered

low frequency performance.

SAFETY CONSIDERATION

1. Appropriate connectors with suitable ratings must be used

to make all installation connections.

2. All unused taps must be insulated with suitable insulation.

3. Transformers and speaker combinations must be supplied

by a suitable amplifier incorporating ungrounded outputs

only and reinforced insulation (as per IEC60065) from

output to mains.

ACCESSORIES

Altec Lansing recommends use of our 8 inch (200 mm) round

and square metal enclosures, grilles and tile bridge. The CD208

Series will also fit on standard industry ceiling speaker

hardware.

MOUNTING DIMENSIONS

CF208-4T/

CF208-4T-71 8.07 in (205 mm) 3.31 in (84 mm)

CF208-8T/

CF208-8T-71 8.07 in (205 mm) 3.31 in (84 mm)

CF208-8TWG/

CF208-8TWG-71 12.87 in (327 mm) 3.39 in (86 mm)

Impedance Q & Directivity Index

Frequency Response (1 W 1 m on-axis) Beamwidth

As we are continually striving to improve Altec Lansing products, specifications are subject to change without notice.

250 Hz 500 Hz

1 kHz 2 kHz

4 kHz 8 kHz

One Octave Polar Response Charts

6 dB/Division

CF208-SS REV05

TRANSFORMER CHART

WIRING DIAGRAM (CF208-4T/CF208-8T/CF-208-8TWG)

CF208

VIOLET WHITE LEAD

GRAY LEAD

COMMON

8 Ω

BLUE

GREEN

YELLOW

ORANGE

RED

BROWN

COMMON

Utility 4 W Utility 8 W 25 V 70 V 100 V

Transformer Transformer Primary Tap Primary Tap Primary Tap

(T404-27) (T408-27) Color Code Color Code Color Code

Primary Taps Primary Taps

4.0 W 8.0 W Brown Yellow Green

2.0 W 4.0 W Red Green Blue

1.0 W 2.0 W Orange Blue Violet

0.5 W 1.0 W Yellow Violet N/A

Primary Common Black

TRANSFORMER CHART

CF208-71

Premium 8 W(T508-71) /

4 W (T504-71) Transformer

Primary Tap Color Code

Black

Brown

Red

Orange

Yellow

70 V Primary Tap

4 W(T504-71)

Common

4.0 W

2.0 W

1.0 W

0.5 W

70 V Primary Tap

8 W(T508-71)

Common

8.0 W

4.0 W

2.0 W

1.0 W

100 V Primary Tap

4 W(T504-71)

Common

N/A

4.0 W

2.0 W

1.0 W

100 V Primary

Tap 8 W(T508-71)

Common

N/A

8.0 W

4.0 W

2.0 W

1000 W. Wilshire Blvd., Suite 362

Oklahoma City, Oklahoma 73116

Phone: 1-405-848-3108 • Fax: 1-405-848-3217

Web: www.altecpro.com • Email: [email protected]

PROFESSIONAl

WIRING DIAGRAM (CF208-4T-71/CF208-8T-71/CF-208-8TWG-71)

YELLOW

0.5 dB

1.0 dB

8 Ω

ORANGE

RED

BROWN

COMMON

BLACK/WHITE

BLACK LEAD

COMMON

Ce manuel convient aux modèles suivants

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