B&K 125.5 S2 - Manuals - manualsarea.com

Page 2 - Accessories Included; Limited Warranty; B K; ii

USER MANUAL - R EFERENCE 125.5 S2, R EFERENCE 125.7 S2 © 2004 B & K Components Ltd. All rights reserved. The information in this manual is copyright protected. No part of this manual may be copied or reproduced in any formwithout prior written consent from B & K Components, Ltd. B & K Co...

Page 3 - TABLE OF CONTENTS; Product Information

TABLE OF CONTENTS ACCESSORIES AND LIMITED WARRANTY ii TABLE OF CONTENTS 1 SAFETY PRECAUTIONS 2 PURPOSE AND FUNCTION 3 BACK PANEL 4 INPUTS 5 INPUT/OUTPUT CONNECTIONS 6 SYSTEM INSTALLATION 7 CONTROL TRIGGERS 8 TROUBLESHOOTING 9 SPECIFICATIONS Back Cover 1 Date of Purchase: Amp Model #: Amp Serial #: P...

Page 4 - SAFETY PRECAUTIONS; Installation Considerations

WARNING: to prevent fire or shock hazard, do not expose this unit to rain or moisture. Care shouldbe taken to prevent objects or liquid from entering the enclosure. Never handle the power cord withwet hands. •• The lightning flash with arrowhead, within an equilateral triangle, is intended to alert ...

Page 5 - PURPOSE AND FUNCTION

PURPOSE AND FUNCTION PURPOSE AND FUNCTION The Reference 125.5 S2 (Five channel) or Reference 125.7 S2 (Seven channel) is a high power amplifier thatis designed for use in all types of audio or audio/video systems. DESIGN AND CONSTRUCTION The Reference 125.5 S2 or Reference 125.7 S2 amplifier utilize...

Page 6 - BACK PANEL

BACK PANEL FUSE FUSE FU SE FU SEF US E FUS E FUSE FUSE FU SE FU SEF US E FUS E FUSE FUSE FU SE FU SEF US E FUS E FUSE FUSE FU SE FU SEF US E FUS E FUSE FUSE FU SE FU SEF US E FUS E F U S E C A U T I O N : F O R C O N T I N U E DP R O T E C T I O N A G A I N S T R I S KO F F I R E R E P L A C E O N L...

Page 7 - INPUTS; Balanced Interconnect Cable

INPUTS INPUTS The Reference 125.5 S2 or Reference 125.7 S2 allows signal patch cables (interconnects) to be sourcedfrom either balanced or unbalanced preamplifier/processor outputs. A switch is used to configure a PAIR ofAMPLIFIER CHANNELS for use with either balanced (XLR) or unbalanced (RCA) outpu...

Page 8 - INPUT/OUTPUT CONNECTIONS; OR; SPEAKER OUTPUTS

INPUT/OUTPUT CONNECTIONS Use either RCA unbalanced or XLR balanced to connect the preamplifier to amplifier. I N P U T 1 I N P U T 2 I N P U T 3 I N P U T 4 I N P U T 5 I N P U T 6 I N P U T 7 X L R ( B A L A N C E D ) R C A ( U N B A L A N C E D ) X L R ( B A L A N C E D ) R C A ( U N B A L A N C E...

Page 9 - SYSTEM INSTALLATION; MAKING THE CONNECTION; Refer to back panel on page 4

SYSTEM INSTALLATION There will most likely be a number of cables involved in the installation of your home entertainment system.Preplanning is essential in order to maximize system efficiency. We recommend the following as a means ofhelping you reach that goal. •• When possible, use a dedicated AC p...

Page 10 - CONTROL TRIGGERS; Output Status

CONTROL TRIGGERS A control (trigger) system is provided on the Reference 125.5 S2 or Reference 125.7 S2 amplifiers to allowremote switching of the amplifier's standby on/off feature. The control input is designed to operate with asource (trigger) of 5-24 volts DC. All B & K A/V processors and pr...

Page 11 - CARE AND CLEANING; LIQUIDS CONDUCT ELECTRICI-

TROUBLESHOOTING ***Note: If unit continues to blow power fuses, DO NOT USE A HIGHER RATED FUSE, please con-tact customer service to have the unit serviced. When servicing fuses always disconnect AC power before replacing. CARE AND CLEANING Under normal use, the amplifier will not require any special...

Page 12 - SPECIFICATIONS

R EFERENCE 125.5 S2 & R EFERENCE 125.7 S2 *AV - Amplified Voltage Power Rating: 8 Ω 125.5 / 125.7 Power Rating: 4 Ω 125.5 / 125.7 125 watts / 125 watts 185 watts / 185 watts Number of Channels 5 / 7 Current (peak to peak) 30 Amps / 30 amps Dynamic Headroom 1.2 dB / 1.2 dB Total Harmonic Distorti...