Meyer Sound LD-1A User Manual

2
Meyer Sound Laboratories, Inc.
2832 San Pablo Avenue
Berkeley, California 94702
Telephone: 510 - 486 - 1166
FAX: 510 - 486 - 8356
E-mail: info@meyersound.com
www.meyersound.com
Meyer Sound Germany GmbH
Carl Zeiss Strasse 13
D-56751 Polch, Germany
Telephone: 49.2654.9600.58
FAX: 49.2654.9600.59
Email: meyersound@t-online.de
Contact Information
!
Pour indiquer les risques
rÈsultant de tensions
dangereuses
Zu die gefahren von
gef‰hrliche spanning zeigen
Important operating
instructions
Pour indequer important
instructions
Zu wichtige betriebs-
anweisung und unter-
haltsanweisung zeigen
Frame or chassis
Masse, ch‚ssis
Rahmen oder chassis
Protective earth ground
Terre de protection
Die schutzerde
Para indicar azares provengo
de peligroso voltajes
Para indicar importante
funcionar y mantenimiento
instrucciones
Armadura o chassis Tierra proteccionista
These symbols indicate important safety or operating features in this booklet and on the chassis.
Dangerous voltages:
risk of electric shock
Symbols Used
According to ISO/IEC Guide and EN 45014
The product herewith complies with the requirements
of the Low Voltage Directive 73/23/EEC and the
EMC Directive 89/336/EEC.
declares that the product:The Manufacturer:
Product Name: LD-1A
Product Options: All
Name: Meyer Sound Laboratories
Address: 2832 San Pablo Avenue
Berkeley, California 94702-2204, USA
conforms to the following Product Specifications:
Declaration of Conformity
Office of Quality Manager
Berkeley, California USA
April 1, 1997
Shock: 30 g 11 msec half-sine
on each of 6 sides
Vibration: 10 ñ 55 Hz (0.010 m
peak-to-peak excursion)
Operating temperature: 0 C to +45 C
Non-operating temp: < ñ40 C or > +75 C
Humidity: to 95% at 35 C
Operating altitude: to 4600 m (15,000 ft)
Non-operating altitude: to 6300 m (25,000 ft)
Environmental Specifications for
Meyer Sound Electronics Products
Safety: EN 60065: 1994
EMC: EN 55022: 1987 - Class A
IEC 801-2: 1984 - 8 kV
IEC 801-3: 1984 - 3 V/m
IEC 801-4: 1984 - 0.5 kV Signal Lines,
1.0 kV Power Lines
European Office:
Meyer Sound Lab. GmbH
Carl Zeiss Strasse 13
56751 Polch, Germany
Made by Meyer Sound Laboratories
Berkeley, California USA
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LISTED
3K59
COMMERCIAL
AUDIO SYSTEM

Meyer Sound LD-1A Specifications

Audio Inputs

input impedance	10 k differential
common mode rejection ratio	> 80 dB
rf filter common mode frequency	425 kHz low-pass

Audio Outputs

output impedance	50 Ohm balanced
maximum voltage with 600 Ohm load	±22.5 Vpk
maximum current	±70 mApk

AC Power

operating voltage	90 - 125 VAC / 180 - 250 VAC
maximum power	25 Watts
fuse	5 x 20 mm, T 250 mA, 250 V, time-lag

Audio Performance

frequency response	< ±0.2 dB 20 Hz - 20 kHz
dynamic range	> 120 dB
noise floor	> -95 dBV A-weighted

Physical

height	3.45 inches
width	16.75 inches
weight	13.5 lb