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
AB
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)
AB
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
© 2002 Altec Lansing Professional
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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