416-8B LOW FREQUENCY LOUDSPEAKER
DESCRIPTION
The ALTEC 416-8B is a 16" low-frequency loud speaker of professional quality that is ideal for use in wide-range sound reinforcement and high-fidelity systems. Performance is charac terized by smooth response with extraordinary linearity.
A structurally reinforced frame, rigid enough to permit front or rear mounting, supports a heavy permanent magnet providing high flux density.
The low-mass voice coil is made from edgewound copper ribbon to provide more turns of wire in the voice-coil gap. The cone suspension has exceptionally high compliance for accurate reproduction of low frequencies.
The 416-8B loudspeaker complements a wide selection of ALTEC-designed enclosures.
SPECIFICATIONS
Frame Diameter: |
16" |
*Power Rating: |
150 watts program |
|
75 watts continuoL |
|
noise band-limitec |
Frequency Response (Hz): |
30-1600 |
Pressure Sensitivity |
|
(1 watt (E^/Z min) with |
|
pink noise band-limited |
|
100-1000 Hz): |
98 dB at 1 meter |
Maximum Sound |
|
Pressure (Full power |
|
(E^/Z min) with pink |
|
noise band-limited |
|
100-1000 Hz): |
117 dB at 1 meter |
Impedance: |
8 ohms mínimum |
Maximum Excursion |
|
Before Damage |
.70in. |
(Peak to Peak): |
|
Voice Coil Diameter: |
3 in. |
Thiele-Small Parameters — |
|
Free-Air Resonance (fj): |
24 Hz |
Equivalent Volume |
22.9 |
Compliance (V^s): |
|
Total Q(QTS): |
.23 |
Electrical Q (QES): |
.24 |
Mechanical Q (QMS)' |
6.4 |
Reference Efficiency {T|O)’ |
3.6% |
D.C. Resistance (RE): |
6.5 ohms |
Peak Linear |
|
Displacement |
0.13 in. |
Peak Linear Volume |
|
Displacement (Vp): |
16.6 in.^ |
Effective Surface Area |
|
of Driver Diagram (Sp): |
128 in.^ |
Additional Parameters — |
|
Effective Piston |
|
Diameter: |
12.75 in. |
Voice Coil inductance: |
2.5 m H. |
BL Factor: |
16.0 |
Magnet Type: |
Alnico |
Magnet Weight: |
39 oz. |
Flux Density: |
1.1 Tesla |
Mounting Information — |
|
Baffle Opening |
|
Diameter: |
141/8" (35.87 cm) |
Mounting Bolt |
|
Circle Diameter: |
15" (38.1 cm) |
Loudspeaker Depth |
|
(front mounting): |
61/4" (15.88 cm) |
Loudspeaker Depth |
|
(rear mounting): |
7" (17.78 cm) |
Weight: |
17.5 Ibs (7.94 kg) |
*AES power rating measured E^/Z min where E = 25V, Z = 8il, bandlimited 40-400 Hz.
(AES Recommended Practice Specification of Loudspeaker Compo nents Used in Professional Audio and Sound Reinforcement. See j. Audio Eng. Soc., Vol. 30, No. 3,1982 March.)
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