Bogen MLA40 User manual

• 2 Models: MLA40 free-standing lectern (six 8"
speakers) and MLA40T table-top lectern (two 8"
speakers)
• Built-in amplifier – 40 watts RMS
• Wide frequency response
• Wide dispersion
• Switched and unswitched external speaker jacks
for quick connection and disconnection of exter-
nal speakers
• Switched jack automatically disables built-in
speakers
• 2 MIC (Lo-Z) and 1AUX (Hi-Z) inputs, each with
independent volume controls
• Bass and treble controls
• Tape recorder output jack
• AC receptacle
• Automatic Level Control for enhanced intelligibil-
ity (defeatable)
• Intelligibility enhancing speech filter (defeatable)
• Shock-mounted, high-quality, cardioid condenser
15-1/4" gooseneck microphone included
• Independent phantom power for condenser
microphone on each mic input
• Recessed brass reading lamp with separate on/off
switch or controlled by main power switch
• Heavy-duty, rear, smooth-rolling casters on
MLA40
• Commercial grade 3/4" vinyl laminated wood
construction throughout
Features
Description
Specifications subject to change without notice.
© 2002 Bogen Communications, Inc.
Part No. 54-7864-01B Printed in U.S.A. 0303
Modular
Lectern Array
Models MLA40*, MLA40T
Bogen lecterns are self-powered, self-contained systems utilizing high-end speaker array concepts to provide
superior horizontal dispersion in a modular design for maximum flexibility.
The MLA40 is a free-standing lectern that can also be configured for tabletop use.
The MLA40T is a tabletop version of the lectern.
Both are ideal for use in schools, churches, hotels, and rental situations.
*Assembly required.
MLA40
MLA40T

The system shall be a Bogen free-standing lectern (Model
MLA40) or tabletop lectern (MLA40T).
The system shall be self-powered via a 40-watt built-in
amplifier and shall have a frequency response of 20 Hz to
20 kHz.
The system shall include a shock-mounted, high-quality
cardioid condenser phantom powered microphone.
Two microphone inputs shall be provided as well as a Hi-Z
Aux input, each with independent volume controls. Both
microphone inputs shall be compatible with dynamic or
phantom powered microphones and shall share common
bass and treble controls.
The system shall include a speech filter and Automatic
Level Control circuit to enhance intelligibility and a line
level output for taping or connection to another audio sys-
tem.
The MLA40 shall be configurable for either tabletop use or
as a traditional podium-style lectern. It shall include six 8"
speakers and solid smooth rolling casters for mobility.
The MLA40T shall be configured for tabletop use and shall
include two 8" speakers.
The system shall include a recessed brass reading lamp
with an on/off switch. It shall be complemented by a medi-
um oak finish.
The MLA40 shall measure 21-5/8"W x 48" H x 19-1/2" D and
weigh 133 lb.
The MLA40T shall measure 21-5/8" W x 17" H x 19-1/2" D
and shall weigh 63 lb.
Architect and
Engineer
Specifications*
50 Spring Street, Ramsey, NJ 07446, U.S.A.
Tel. [phone] FAX: [phone]
Web Site: www.bogen.com
Technical
Specifications
Rated Power Output (amplifier): 40 watts RMS
Frequency Response (amplifier): 20 Hz to 20 kHz ±1dB @ -2 dB < rated power
Total Harmonic Distortion (amplifier): Less than .5%, 20 Hz to 20 kHz @ -2 dB < rated power
Hum & Noise (20 Hz to 20 kHz): MIC: -55 dB below rated output
AUX: -70 dB below rated output
Input Sensitivity: MIC 1/MIC 2: Lo-Z (250 ohms), balanced, 800 µV
AUX: Hi-Z (10 Kilohms), unbalanced > 85 mV
Microphone: High-quality cardioid condenser gooseneck microphone
Tone Control: Treble ±11 dB @ 10 kHz, Bass ±11 dB @ 100 Hz
ALC: Switch in/out, no control required (defeatable)
Speech Filter: -15 dB @ 80 Hz (defeatable)
Minimum Speaker Impedance: 4 ohms
Tape Output: 500 mV (@ full rated output power)
Auxiliary AC Power Receptacle: 300 watts max., unswitched
Dimensions: MLA40: 21-5/8" W x 48" H x 19-1/2" D
MLA40T: 21-5/8" W x 17" H x 19-1/2" D
Shipping Weight: MLA40: 133 lb.
MLA40T: 63 lb.
* Architect and Engineer Specifications are available on CD and online in a Word
document to assist you with preparing your bids.