Altec Lansing LF215-4A - Manual

FREQUENCY RESPONSE

1, 2

42 Hz - 650 Hz (±3 dB)

USABLE LOW FREQUENCY LIMIT (-10 dB)

1, 2

33 Hz

SENSITIVITY

3

103 dB SPL, (2.00 V input)

POWER HANDLING

4

500 W continuous; 2,000 W peak

MAXIMUM OUTPUT (1 m)

5

130 dB SPL continuous; 136 dB SPL peak

TRANSDUCER COMPONENTS

2x 15 in. Woofers (4156-8A)

IMPEDANCE

7

Nominal:

4.0

Ω

Minimum:

3.5

Ω

at 41 Hz

HARMONIC DISTORTION

8

1% rated power

2nd Harmonic

0.30%

3rd Harmonic

0.40%

THD

0.63%

10% rated power

2nd Harmonic

1.38%

3rd Harmonic

0.49%

THD

1.54%

INPUT CONNECTIONS

2x 4 position barrier strip and 2x NL4

CONTROLS

Drivers in Parallel or Split Mode switch

ENCLOSURE MATERIALS & FINISH

18 mm, 13 ply Birch Plywood Finished with Charcoal
Grey or White Catalyzed Polyurethane

SUSPENSION SYSTEM

9

Working Load Limit (maximum weight applied to
uppermost mounting point): tbd lbs. (tbd kg)
(12) 3/8 in.-16 Threaded Mounting Suspension Points
(3 each top & bottom and 2 each sides & back)

DIMENSIONS

37.50 in. (H) x 24.13 in. (W) x 26.13 in. (D)
x 10.13 in. (W rear)
953 mm (H) x 613 mm (W) x 664 mm (D)
x 257 mm (W rear)

WEIGHT

Net

115 lbs. (52.3 kg)

Shipping

138 lbs. (62.7 kg)

L F 2 1 5 - 4 A

FEATURES - THE ALTEC LANSING DIFFERENCE

• Dual 15” / 380mm Low Frequency Speaker

•High Performance 500 W AES / 2,000 W Peak Power Handling

• Excellent Broadband Efficiency – 103 dB SPL, 1 W 1 m

• Matching Footprint To Altec’s DE6412 & DE9412

• Strong 13-Ply Birch Paintable Cabinet

• Steel Reinforced Suspension Points

• Forged Eyebolt Suspension Kit Included

• Available in Charcoal Gray or White Finishes

GENERAL PRODUCT DESCRIPTION

The LF215-4A is a dual 15” / 380mm subwoofer with the same
footprint as the Altec Lansing DE6412 and DE9412 Duplex

®

full-range speaker systems. In addition to its use with Altec’s DE
& DS-series full-range speaker systems, the LF215-4A can be easily
incorporated into component-based sound systems. The
LF215-4A has been designed to provide extended low frequency
performance in Auditoriums, Performing Arts Centers, Houses
of Worship, or any facility requiring low frequency reinforcement
for full-range music reproduction.

Two of the Altec model 4156-8A 15” / 380mm woofers
are used in the LF215-4A. The drivers may be connected in
parallel (for a single four ohm load) or driven individually (for
two, eight ohm loads) via a switch and separate driver inputs.
This robust component has been designed to deliver tight,
punchy low frequency reproduction in vented speaker cabinets.
The 4156-8A has a corrosion resistant die-cast frame and
moisture-resistant cone for maximum durability in all
environments.

The 13-ply birch plywood enclosure is paintable, and features
steel reinforced suspension points. Altec Lansing includes a
forged eyebolt suspension kit with each subwoofer. Input
connections are via barrier strip or Neutrik

®

Speakon

®

connectors.

The LF215-4A is offered in either charcoal grey or white, with
contrasting cloth covered metal grille. Altec Lansing includes
neutral grille cloth with each subwoofer, allowing you to dye the
cloth to integrate the subwoofer into the surroundings.

The LF215-4A is designed to work in conjunction with Altec’s
DE6412 and DE9412 Duplex

®

12”/300mm full-range speaker

systems. Presets are available for the Altec Lansing 4048A
4-in x 8-out DSP Processor, allowing the system designer to easily
incorporate the LF215-4A into multi-channel applications.

P

R O F E S S I O N A l

1000 W. Wilshire Blvd., Suite 362 • Oklahoma City, Oklahoma 73116 • Phone: 1-405-848-3108 • Fax: 1-405-848-3217 • www.altecpro.com