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3154 LOW FREQUENCY

LOUDSPEAKER

SPECIFICATIONS

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.

Frame Diameter;

16"

•Power Rating:

500 watts prograir

250 watts continui

noise band-limite

Frequency Response (Hz):

Pressure Sensitivity

30-2000

(1 watt (E X I) with pink

noise band-limited

100-1000 Hz): 93 dB at 4 feet

95 dB at 1 meter

••Maximum Sound

Pressure (Full power

(EVZ) with pink noise

band-limited

40-400 Hz):

115 dB at 4 feet

117 dB at 1 meter

Impedance: 8 ohms nominai

Recommended System;

8154 (6 ft=)

System Fj: 40 Hz

Maximum Excursion

Before Damage

(Peak to Peak);

1.54 in.

Voice Coil Diameter;

Thiele-Small Parameters—

3 in.

Free-Air Resonance (fs): 25 Hz

Equivalent Volume

Compliance (Vas):

13.9 ft’

Total Q (Qts):

0.33

Electrical Q (Qes):

0.38

Mechanical Q (Qms):

2.12

Reference Efficiency (r)o):1.5%

D. C. Resistance (Rs): 6.4 ohms

Peak Linear

Displacement (Xuax):

0.25 in.

Peak Linear Volume

Displacement (Vd):

Effective Surface Area

.31.9 in.’

of Driver Diagram (So):

Additional Parameters—

128 in.’

Effective Piston

Diameter: 12.75 in.

Voice Coil Inductance: 4.5 mH

BL Factor:

16.2

Magnet Type;

ferrite

Magnet Weight; 48 oz.

Flux Density:

Mounting Information —

10,000 gauss

Baffle Opening

Diameter:

14Vo" (35.87 cm)

Mounting Bolt Circle

Diameter; 15" (38.1 cm)

Loudspeaker Depth

(front mounting);

5%" (14.13 cm)

Loudspeaker Depth

(rear mounting); W (16.20 cm)

Weight:

23.1 lbs (10.5 kg)

•AES power rating measured EVZ where E = 45V, 2 = 8^,

band-limited 40-400 Hz.

(AES Recommended Practice Specification of Loudspeaker

Components Used in Professional Audio and Sound Reinforce

ment. See |. Audio Eng. Soc., Vol. .30, No. 3, 1982 March.)

**ln 8154X Enclosure.

1 2

Inhaltsverzeichnis

Seite 1 - LOUDSPEAKER

3154 LOW FREQUENCY LOUDSPEAKERSPECIFICATIONSDESCRIPTIONThe Altec Lansing Model 3154 15-inch low- frequency loudspeaker is part of Altec&apo

Seite 2 - 8 slots spaced 45° apart

LOUDSPEAKER MOUNTING DIMENSIONS(A) Loudspeaker Diameter: 16" (40.64 cm)(Bf) Depth When Front Mounted: 5%" (14.13 cm) (Br) Depth When

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Altec-lansing 3154 Bedienungsanleitung

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Inhaltsverzeichnis

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