Altec Lansing CD408-16T Manual de usuario
CD408-8A
CD408-4T
CD408-8T
CD408-16T
CD408-32T
8” Ceiling Speakers
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
Maximum Output (Peak SPL)
119 dB
Magnet Weight
0.62 lb (0.29 Kg)
Impedance
Nominal - 8 Ohms
Minimum - 7.8 Ohms
Crossover
2,500 Hz
Dimensions
CD408-8A
Height: 3.11 in (79.6 mm)
Diameter: 8.07 in (205 mm)
CD408-4T
Height: 3.68 in (94.1 mm)
Diameter: 8.07 in (205 mm)
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
Height: 4.41 in (113.1 mm)
Diameter: 8.07 in (205 mm)
Net Weight
CD408-8A
2 lbs 8 oz (1.1 kg)
CD408-4T
3 lbs 13 oz (1.7 kg)
CD408-8T
4 lbs 1 oz (1.8 kg)
CD408-16T
4 lbs 10 oz (2.1 Kg)
CD408-32T
4 lbs 14 oz (2.2 kg)
Shipping weight
CD408-8A
3 lbs 4 oz (1.4 kg)
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
5 lbs 13 oz (2.6 kg)
Transformer
CD408-4T
4 Watt 70 V/100 V transformer
with 70 V taps @ 4 W, 2 W, 1 W
and 0.5 W
CD408-8T
8 Watt 70 V/100 V transformer
with 70 V taps @ 8 W, 4 W, 2 W
and 1.0W
CD408-16T
16 Watt 70 V/100 V transformer
with 70 V taps @ 16 W, 8 W, 4 W
and 2.0 W
CD408-32T
32 Watt 70 V/100 V transformer
with 70 V taps @ 32 W, 16 W, 8 W
and 4.0 W
CD408 SERIES
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.
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
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 CD408
series Duplex®with an 8 inch (200 mm) diameter moisture
resistant woofer and a broad dispersion tweeter with heat
resistant voice coils. The speaker shall have a power rating
of 32 W EIA / 128 W peak, a double magnet assembly and
corrosion-resistant frame. The frequency response shall be 82
to 16,000 Hz +/- 5 dB with a sensitivity of 98 dB @ 1 W 1 m.
All transformers shall have a low < 0.6 dB insertion loss. The
model numbers shall be Altec Lansing Professional CD408-8A
for 8 Ohms impedance, CD408-4T with a 4 Watt 70 V/100 V
transformer, CD408-8T with an 8 Watt 70 V/100 V transformer,
CD408-16T with a 16 Watt 70 V/100 V transformer, and a CD408-
32T with a 32 Watt 70 V/100 V transformer.
ENCLOSURES AND BAFFLES
The CD408-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 CD408 Series
will also fit on standard industry ceiling speaker hardware.
MOUNTING DIMENSIONS
Frequency Response (1 W 1 m on-axis) Beamwidth
AB
CD408-8A 8.07 in (205 mm) 3.11 in (79 mm)
CD408-4T 8.07 in (205 mm) 3.68 in (94 mm)
CD408-8T 8.07 in (205 mm) 3.68 in (94 mm)
CD408-16T 8.07 in (205 mm) 4.06 in (103 mm)
CD408-32T 8.07 in (205 mm) 4.41 in (112 mm)
AB
Impedance Q&Directivity index
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
CD408-SS REV06
TRANSFORMER CHART
WIRING DIAGRAM
CD408
YELLOW
0.5 dB
1.0 dB
8 Ω
ORANGE
RED
BROWN
COMMON
BLACK/WHITE
BLACK LEAD
COMMON
+
-
Premium 4 W Premium 8 W Premium 16 W Premium 32 W 70.7 V 100 V
Transformer Transformer Transformer Transformer Primary Tap Primary Tap
(T504-71) (T508-71) (T516-71) (T532-71) Color Code Color Code
Primary Primary Primary Primary
4.0 W 8.0 W 16.0 W 32.0 W Brown Red
2.0 W 4.0 W 8.0 W 16.0 W Red Orange
1.0 W 2.0 W 4.0 W 8.0 W Orange Yellow
0.5 W 1.0 W 2.0 W4.0WYellow N/A
Primary Common Black
© 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
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