CD408 SERIES
8” Ceiling Speakers
CD408-8A
CD408-4T
CD408-8T
CD408-16T
CD408-32T
PROFE S S IONA l
FEATURES – THE ALTEC LANSING DIFFERENCE
• High Fidelity Duplex® 8 inch / 200 mm Premium Loudspeaker
• Designed to maximize music program reproduction
• High output 32 W EIA / 128 W peak power handling
• Point-Source design for excellent speech intelligibility
• Available with four factory-mounted 70 V / 100 V
transformers
• All transformers have a low < .6dB insertion loss
• Corrosion-resistant speaker frame
• Special moisture resistant cone material
GENERAL PRODUCT DESCRIPTION
The Altec Lansing Professional CD408 series uses Duplex®
technology to maximize the reproduction of high output music
program material. The CD408 is an excellent choice for clubs,
restaurants, performance and transportation venues and all
applications requiring high output and high fidelity performance.
The loudspeaker consists of an 8 inch / 200 mm special moisture
resistant cone woofer, a broad dispersion cone tweeter with heat
resistant voice coils and a corrosion-resistant speaker frame. A
2,500 Hz first order crossover provides smooth high fidelity
transitions. The double magnet design allows physical, electrical,
and magnetic isolation. The optional 70 V / 100 V transformers
(4, 8, 16, 32 Watts) feature a low < 0.6 dB insertion loss.
SPECIFICATIONS
Frequency Response
82 – 16,000 Hz +/- 5dB
Low frequency limit (-10 dB)
66 Hz
Power Handling
32 W EIA, 128 W peak
Sensitivity (SPL - 1 W 1 m)
98 dB
CD408-8T
Height: 3.68 in (94.1 mm)
Diameter: 8.07 in (205 mm)
CD408-16T
Height: 4.06 in (104.1 mm)
Diameter: 8.07 in (205 mm)
CD408-32T
CD408-4T
4 lbs 9 oz (2.1 kg)
CD408-8T
4 lbs 14 oz (2.2 kg)
CD408-16T
5 lbs 7 oz (2.5 kg)
CD408-32T
Height: 4.41 in (113.1 mm)
Diameter: 8.07 in (205 mm)
5 lbs 13 oz (2.6 kg)
Maximum Output (Peak SPL)
119 dB
Magnet Weight
0.62 lb (0.29 Kg)
Impedance
Transformer
CD408-4T
Net Weight
CD408-8A
2 lbs 8 oz (1.1 kg)
CD408-4T
4 Watt 70 V/100 V transformer
with 70 V taps @ 4 W, 2 W, 1 W
and 0.5 W
Nominal - 8 Ohms
Minimum - 7.8 Ohms
Crossover
3 lbs 13 oz (1.7 kg)
CD408-8T
4 lbs 1 oz (1.8 kg)
CD408-16T
CD408-8T
8 Watt 70 V/100 V transformer
with 70 V taps @ 8 W, 4 W, 2 W
and 1.0W
2,500 Hz
4 lbs 10 oz (2.1 Kg)
CD408-32T
CD408-16T
Dimensions
CD408-8A
Height: 3.11 in (79.6 mm)
Diameter: 8.07 in (205 mm)
CD408-4T
16 Watt 70 V/100 V transformer
with 70 V taps @ 16 W, 8 W, 4 W
and 2.0 W
4 lbs 14 oz (2.2 kg)
Shipping weight
CD408-8A
CD408-32T
32 Watt 70 V/100 V transformer
with 70 V taps @ 32 W, 16 W, 8 W
and 4.0 W
Height: 3.68 in (94.1 mm)
Diameter: 8.07 in (205 mm)
3 lbs 4 oz (1.4 kg)
1000 W. Wilshire Blvd., Suite 362 • Oklahoma City, Oklahoma 73116 • Phone: 1-405-848-3108 • Fax: 1-405-848-3217 • www.altecpro.com
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One Octave Polar Response Charts
6 dB/Division
250 Hz
500 Hz
2 kHz
8 kHz
1 kHz
4 kHz
As we are continually striving to improve Altec Lansing products, specifications are subject to change without notice.
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TRANSFORMER CHART
CD408
Premium 4 W
Transformer
(T504-71)
Premium 8 W
Premium 16 W Premium 32 W 70.7 V
100 V
Primary Tap
Color Code
Transformer
(T508-71)
Primary
Transformer
(T516-71)
Primary
Transformer
(T532-71)
Primary
Primary Tap
Color Code
Primary
4.0 W
2.0 W
1.0 W
0.5 W
8.0 W
4.0 W
2.0 W
1.0 W
16.0 W
8.0 W
4.0 W
2.0 W
32.0 W
16.0 W
8.0 W
Brown
Red
Red
Orange
Yellow
N/A
Orange
Yellow
4.0 W
Primary Common
Black
WIRING DIAGRAM
YELLOW
1.0 dB
ORANGE
0.5 dB
RED
+
-
BROWN
COMMON
BLACK/WHITE
BLACK LEAD
8 Ω
COMMON
PROFESS IONA l
© 2002 Altec Lansing Professional
1000 W. Wilshire Blvd., Suite 362
Oklahoma City, Oklahoma 73116
Phone: 1-405-848-3108 • Fax: 1-405-848-3217
CD408-SS REV06
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