Altec Lansing CF404-4T User manual

4” Ceiling Speakers

PROFESSIONAl

CF404 Series

GENERAL PRODUCT DESCRIPTION

The Altec Lansing Professional CF404 series is a high fidelity,

high performance, premium full-range loudspeaker. The

CF404 family is a popular choice in airports & transportation

facilities, restaurants & clubs, boutiques and all ceiling

applications that require high fidelity music reproduction.

The moisture resistant 4 inch / 100 mm speaker features a

rust-resistant frame. To aid in the dispersion of higher

frequencies, the loudspeaker employs an acoustically

isolated dome. The optional 70 V / 100 V transformers (4 and

8 Watts) feature a low < 0.6 dB insertion loss.

SPECIFICATION

Frequency Response

130 – 14,000 Hz +/- 5 dB

Low frequency limit (-10 dB)

85 Hz

Power Handling

32 W EIA, 128 W peak

Sensitivity (SPL - 1 W 1 m)

94 dB

Maximum Output (Peak SPL)

115 dB

Magnet Weight

0.63 lb (0.29 kg)

Impedance

Nominal - 8 Ohms

Minimal - 7.7 Ohms

DIMENSIONS

CF404-8A

Height: 2.03 in (51.6 mm)

Diameter: 5.31 in (135 mm)

CF404-4T

Height: 4.57 in (113.1 mm)

Diameter: 5.31 in (135 mm)

CF404-8T

Height: 4.57 in (113.1 mm)

Diameter: 5.31 in (135 mm)

Net Weight

CF404-8A

1 lbs 14 oz (0.8 kg)

CF404-4T

3 lbs 3 oz (1.5 kg)

CF404-8T

3 lbs 4 oz (1.5 Kg)

Shipping weight

CF404-8A

2 lbs 5 oz (1.0 Kg)

CF404-4T

3 lbs 12 oz (1.7 Kg)

CF404-8T

3 lbs 12 oz (1.7 Kg)

Transformer

CF404-4T

4 Watt 70 V / 100 V with 70 V

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

CF404-8T

8 Watt 70 V / 100 V with 70 V

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

FEATURES – THE ALTEC LANSING DIFFERENCE

• High Fidelity Premium 4 inch / 100 mm full-range

loudspeaker

• High Performance 32 W EIA / 128 W peak power

handling

• Corrosion resistant, die-cast speaker frame

• Special moisture resistant cone material

• Available with two factory-mounted 4 W or 8 W

70 V/100 V transformers

• All transformers have a low <.6 dB insertion loss

CF404-8A

CF404-4T

CF404-8T

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 CF404

series with a 4 inch (100 mm) full range moisture resistant speaker,

acoustically isolated dome and corrosion-resistant die-cast frame.

The speaker shall have a power rating of 32 W EIA / 128 W peak.

The frequency response shall be 130 to 14,000 Hz +/- 5 dB with a

sensitivity of 94 dB @ 1 W 1 m. All transformers shall have a low

< 0.6 dB insertion loss. The model numbers shall be Altec Lansing

Professional CF404-8A for 8 Ohms impedance, CF404-4T with a 4

Watt 70 V/100 V transformer, and a CF404-8T with an 8 Watt 70

V/100 V transformer.

ENCLOSURES AND BAFFLES

All measurements were made in a standard AES baffle for a

12 inch driver. The driver was housed in a 0.084 ft3(0.002 m3)

enclosure.

The CF404-series ceiling speakers use a unique die-cast speaker

frame. Prior to installation in a standard 4 inch (100 mm) back can

or enclosure, please make sure that the CF404 frame dimensions

are compatible.

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 torsion-mounted enclosure

and grille for the CF404. Since the CF404 uses a unique die-cast

speaker frame, we recommend you check the frame dimensions

for compatibility before installing in an industry-standard

enclosure & grille assembly.

MOUNTING DIMENSIONS

Frequency Response (1 W 1 m on-axis)

Impedance

CF404-8A 5.31 in (135 mm) 2.03 in (51.5 mm)

CF404-4T 5.31 in (135 mm) 4.57 in (116 mm)

CF404-8T 5.31 in (135 mm) 4.57 in (116 mm)

Beamwidth

Q&Directivity Index

One Octave Polar Response Charts

6 dB/Division

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

250 Hz

1 kHz

4 kHz

500 Hz

2 kHz

8 kHz

CF404-SS REV06

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

TRANSFORMER CHART

WIRING DIAGRAM

CF404

YELLOW

0.5 dB

1.0 dB

8 Ω

ORANGE

RED

BROWN

COMMON

BLACK/WHITE

BLACK LEAD

COMMON

Premium 4 W Premium 8 W 70.7 V 100 V

Transformer Transformer Primary Tap Primary Tap

(T504-71) (T508-71) Color Code Color Code

Primary Primary

4.0 W 8.0 W Brown Red

2.0 W 4.0 W Red Orange

1.0 W 2.0 W Orange Yellow

0.5 W 1.0 W Yellow N/A

Primary Common Black

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