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CONTENTS

Safety Summary

3

Introduction and Technical Advantages

4

AC Power 

4

The Modular Rear Panel

5

Amplification, Limiting, and Cooling System

6

Applications  

7

Verifying Driver Polarity 

8

Troubleshooting

9

Specifications 10
Rear Panel, Input Modules Drawings, and Dimensions

11

Contact Information

12

DECLARATION OF CONFORMITY ACCORDING TO ISO/IEC GUIDE AND EN 45014

The Manufacturer:

M

EYER

S

OUND

L

ABORATORIES

, I

NC

.

2832 San Pablo Avenue
Berkeley, California 94702-2204, USA

Declares that the product:

UMS-1P

Conforms to the following Product Specifications
Safety:

EN60065: 1994

EMC:

EN55103-1 emmission

1

EN55103-2 immunity

2

0° to + 45°
<-40°C or > +75°C
to 95% at 35°C
to 4600 m (15,000 ft)
to 6300 m (25,000 ft)
30g 11 msec half-sine on each 
of 6 sides
10Hz to 55Hz (0.010m
peak-to-peak excursion)

Office of Quality Manager
Berkeley, California USA August 31, 2000

Operating Temperature

Nonoperating Temperature

Humidity

Operating Altitude

Nonoperating Altitude

Shock

Vibration

E

NVIRONMENTAL

S

PECIFICATIONS FOR

M

EYER

S

OUND

E

LECTRONICS

P

RODUCTS

:

This device complies with the requirements of the Low
Voltage Directive 73 / 23 / EEC and the EMC Directive 89 /
336 / EEC.
This device also complies with EN 55103-1 & -2. Operation is
subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including

interference that may cause undesired operation.

N757  UMS-1P

Protective earth ground

Terre de protection

Die schutzerde

Tierra proteccionista

Frame or chassis

Masse, châssis

Rahmen oder chassis

Armadura o chassis

Important operating 

instructions

Pour indequer important instruc-

tions

Zu wichtige betriebs-

anweisung und unter-

haltsanweisung zeigen

Para indicar importante

funcionar y mantenimiento

instrucciones

Dangerous voltages:

risk of electric shock

Pour indiquer les risques résultant

de tensions dangereuses

Zu die gefahren von 

gefährliche spanning zeigen

Para indicar azares provengo 

de peligroso voltajes

T

HESE SYMBOLS INDICATE IMPORTANT SAFETY OR OPERATING FEATURES IN THIS BOOKLET AND ON THE CHASSIS

.

!

SYMBOLS USED

2

3K59 COMMERCIAL

AUDIO SYSTEM

European Offices:

Meyer Sound Lab.  GmbH

Carl Zeiss Strasse 13

56751 Polch, Germany

Made by Meyer Sound Laboratories

Berkeley, California  USA

Summary of Contents for UMS-1P

Page 1: ...Keep these important operating instructions UMS 1P Self Powered Subwoofer Superior engineering for the art and science of sound OPERATING INSTRUCTIONS OPERATING INSTRUCTIONS...

Page 2: ...This device complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC This device also complies with EN 55103 1 2 Operation is subject to the following tw...

Page 3: ...imum zu reduzieren den Lautsprecher vom Stromnetz trennen bevor ggf ein Audio Schnittstellensignalkabel angeschlossen wird Das Netzkabel erst nach Herstellung aller Signalverbindungen wieder einsteck...

Page 4: ...nadvertent disconnection It also has a looping feature discussed below which allows multiple UMS 1Ps to be daisy chained The blue connector serves as the power input the gray con nector is used in loo...

Page 5: ...on the UPM 1P i e the 3 15A fuse is used whether the product is set for 100V 115V or 230V If a fuse should ever trip contact your local Meyer Sound Service Center or the Service Department at the Mey...

Page 6: ...1P is powered by one channel of a pro prietary Meyer Sound amplifier utilizing complementary power MOSFET output stages class AB bridged 225 Wrms ch burst The UMS 1P employs two sepa rate methods of l...

Page 7: ...udspeaker The following graph represents the approximate change in dB SPL for fre quencies under 125Hz of a single UMS 1P as it is moved away from a boundary Some frequencies will be aided by this rea...

Page 8: ...when conducting these tests Polarity within a UMS 1P If the driver or circuit wiring has been removed or disassembled it is essential to check the polarity between drivers and between adjacent loudspe...

Page 9: ...the signal path 2 Make sure the XLR cable is securely fastened to the XLR audio input con nector 3 Send the audio signal to another loudspeaker to insure signal presence and that the level is within t...

Page 10: ...ignal Common Mode 425kHz low pass Differential Mode 142kHz low pass 50dB 50Hz typically 60dB 65db 1kHz typically 75dB 80kHz Complementary MOSFET output stages class AB bridged 225 Wrms channel 02 Powe...

Page 11: ...etwork S e r v i c e W i n k R e s e t A c t i v i t y Remote Monitor System 2 3 0 115 Polarity Loop Input On Temp Limit Attn dB 18 15 12 6 3 9 0 Earth Chassis Case 220k GND Circuit 1 2 3 1 2 3 10k Ba...

Page 12: ...2 Meyer Sound Laboratories Inc 2832 San Pablo Avenue Berkeley CA 94702 tel 510 486 1166 fax 510 486 8356 e mail techsupport meyersound com http www meyersound com CONTACT INFORMATION 05 86 002 01 Rev...

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