Altec Lansing 3154, 3154 LF SPEAKER Specifications

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Altec Lansing 3154, 3154 LF SPEAKER Specifications | Manualzz
 ALTEC
3154 LOW FREQUENCY
LOUDSPEAKER
te
DESCRIPTION
The Altec Lansing Model 3154 15-inch low-
frequency loudspeaker is part of Altec’s new
generation of woofers. Each loudspeaker in this
line was engineered for a particular purpose.
The 3154 is designed specifically for the repro-
duction of low frequencies with minimum
distortion in a direct radiator enclosure.
When used as an integral component of the
8154 Loudspeaker System (6-cubic foot vented
enclosure), full capability of the 3154 is
achieved. This system provides a 3 dB down
frequency of 40 Hz with an optimum Thiele-
Small alignment.
Power capacity for the 3154 is 250 watts when
measured by the new AES standard specifica-
tions. The 3154 will handle 500 watts of program
material when configured as the 8154 system, or
mounted in another suitable enclosure.
As with all Altec professional series woofers, the
3154 is built with a structurally reinforced die-
cast frame. The ferrite magnet structure coupled
with an exceptionally high power voice coil pro-
vides low distortion even at very high sound
pressure levels.
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SPECIFICATIONS
Frame Diameter:
*Power Rating:
Frequency Response (Hz):
Pressure Sensitivity
(1 watt (E x I) with pink
noise band-limited
100-1000 Hz):
*Maximum Sound
Pressure (Full power
(E/Z) with pink noise
band-limited
40-400 Hz):
Impedance:
Recommended System:
Maximum Excursion
Before Damage
(Peak to Peak):
Voice Coil Diameter:
Thiele-Small Parameters —
Free-Air Resonance (fs):
Equivalent Volume
Compliance (Vas):
Total Q (Qrs):
Electrical Q (Ок):
Mechanical Q (Que):
Reference Efficiency (no):
D. C. Resistance (Rg):
Peak Linear
Displacement (Xyax):
Peak Linear Volume
Displacement (Vp):
Effective Surface Area
of Driver Diagram (Sp):
Additional Parameters —
Effective Piston
Diameter:
Voice Coil Inductance:
BL Factor:
Magnet Type:
Magnet Weight:
Flux Density:
Mounting Information —
Baffle Opening
Diameter:
Mounting Bolt Circle
Diameter:
Loudspeaker Depth
(front mounting):
Loudspeaker Depth
(rear mounting):
Weight:
16”
500 watts program material
250 watts continuous pink
noise band-limited
30-2000
93 dB at 4 feet
95 dB at 1 meter
115 dB at 4 feet
117 dB at 1 meter
8 ohms nominal
8154 (6 ft’)
System F;: 40 Hz
1.54 in.
3 in.
25 Hz
13.9 fe
0.33
0.38
2.12
1.5%
6.4 ohms
0.25 in.
31.9 in”
128 in
12.75 in.
45 mH
16.2
ferrite
48 oz.
10,000 gauss
14%” (35.87 ст)
15” (38.1 ст)
5%’ (14.13 ст)
63%” (16.20 cm)
23.1 165 (10.5 kg)
*AES power rating measured E/Z where E = 45V, Z= 89,
band-limited 40-400 Hz.
(AES Recommended Practice Specification of Loudspeaker
Components Used in Professional Audio and Sound Reinforce-
ment. See J. Audio Eng. Soc., Vol. 30, No. 3, 1982 March.)
**|п 8154X Enclosure.
20 50 100 200 Hz 500 1000 2000 5000
Figure 1. Frequency Response
(A) Loudspeaker Diameter: 16” (40.64 cm)
(Br) Depth When Front Mounted: 5%" (14.13 cm)
(Br) Depth When Rear Mounted: 6%” (16.20 cm)
ARCHITECT'S AND ENGINEER’S SPECIFICATIONS
The low frequency loudspeaker shall meet the fol-
lowing criteria. AES power rating, up to 250 watts
of band-limited pink noise (40-400 Hz). Frequency
response, uniform from 30-2000 Hz when mounted
in a suitable enclosure. Pressure Sensitivity, 94 dB SPL
when measured at 1 meter on axis from front edge of
Altc Model 8154 Loudspeaker System (containing
one Model 3154 speaker) with one watt of band
10000 20000
Ohms
44.99
25.3
14.23
4.5
10 100 200 Hz 500 1000 2000
Figure 2. Impedance
ПТ
a
| |e RR
F
E -
LOUDSPEAKER MOUNTING DIMENSIONS
(C) Baffle Opening Diameter: 14%” (35.87 cm)
(D) Bolt Circle Diameter: 15” (38.1 cm)
(E) Bolt Hole Slots: 74” (0.64 cm) x 34” (2.02 cm);
8 slots spaced 45° apart.
limited pink noise from 100-1000 Hz (Ref.: 0.0002
dyne/cm®). Minimum impedance, 8 ohms. Nominal
free-air LF cone resonance, 25 Hz. The voice coil shall
be 3” in diameter, driven by a ferrite magnet having
a flux density of 10,000 gauss. Dimensions, 16” diam-
eter x 6%” deep. Weight, 23.1 pounds.
The low frequency loudspeaker shall be the ALTEC
LANSING Model 3154.
ALTEC
1250 NORTH RED GUM STREET, ANAHEIM, CALIFORNIA 92806
ALTEC CORPORATION
\_
LITHO IN U.S.A. 1283-5M Revision 4
”
AL-2417
42-02-024904
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Questions and Answers

What is the power rating of the Altec Lansing 3154 LF SPEAKER?
The Altec Lansing 3154 LF SPEAKER has a power rating of 250 watts continuous pink noise band-limited 30-2000Hz and 500 watts program material.
What is the frequency response of the Altec Lansing 3154 LF SPEAKER?
The frequency response of the Altec Lansing 3154 LF SPEAKER is 30-2000Hz.
What is the pressure sensitivity of the Altec Lansing 3154 LF SPEAKER?
The pressure sensitivity of the Altec Lansing 3154 LF SPEAKER is 93 dB at 4 feet and 95 dB at 1 meter.
What is the maximum sound pressure level of the Altec Lansing 3154 LF SPEAKER?
The maximum sound pressure level of the Altec Lansing 3154 LF SPEAKER is 115 dB at 4 feet and 117 dB at 1 meter.
What is the impedance of the Altec Lansing 3154 LF SPEAKER?
The impedance of the Altec Lansing 3154 LF SPEAKER is 8 ohms nominal.
What is the recommended system for the Altec Lansing 3154 LF SPEAKER?
The recommended system for the Altec Lansing 3154 LF SPEAKER is the Altec Lansing 8154 (6 ft³) System.
What is the maximum excursion before damage of the Altec Lansing 3154 LF SPEAKER?
The maximum excursion before damage of the Altec Lansing 3154 LF SPEAKER is 1.54 inches peak to peak.
What is the voice coil diameter of the Altec Lansing 3154 LF SPEAKER?
The voice coil diameter of the Altec Lansing 3154 LF SPEAKER is 3 inches.
What is the free-air resonance of the Altec Lansing 3154 LF SPEAKER?
The free-air resonance of the Altec Lansing 3154 LF SPEAKER is 25 Hz.

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