Related Manuals for B&K FIVE OR SEVEN CHANNEL 125.5 S2
Summary of Contents for B&K FIVE OR SEVEN CHANNEL 125.5 S2
- Page 1 K Components, Ltd. & Five or Seven Channel Amplifier 13740 0604 User Manual 125.5 S2 EFERENCE 125.7 S2 EFERENCE...
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Page 2: Accessories Included
USER MANUAL - R 125.5 S2, R EFERENCE © 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 form without prior written consent from B & K Components, Ltd. B &... -
Page 3: Table Of Contents
TABLE OF CONTENTS ACCESSORIES AND LIMITED WARRANTY TABLE OF CONTENTS SAFETY PRECAUTIONS PURPOSE AND FUNCTION BACK PANEL INPUTS INPUT/OUTPUT CONNECTIONS SYSTEM INSTALLATION CONTROL TRIGGERS TROUBLESHOOTING SPECIFICATIONS Product Information Date of Purchase: Amp Model #: Amp Serial #: Purchased From: Address: Phone #: Back Cover... -
Page 4: Safety Precautions
WARNING: to prevent fire or shock hazard, do not expose this unit to rain or moisture. Care should be taken to prevent objects or liquid from entering the enclosure. Never handle the power cord with wet hands. • • The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user of the presence of uninsulated "dangerous voltage"... -
Page 5: Purpose And Function
The Reference 125.5 S2 (Five channel) or Reference 125.7 S2 (Seven channel) is a high power amplifier that is designed for use in all types of audio or audio/video systems. The Reference 125.5 S2 or Reference 125.7 S2 amplifier utilizes high quality electronic circuitry to achieve an environment wherein a detailed, transparent, and highly musical sound can be realized. -
Page 6: Back Panel
CONTROL IN ALLOWS AMPLIFIER OPERATION WHEN A 5-24V SIGNAL IS APPLIED WITH A 3.5mm MINI JACK C H A N N E L 1 I N P U T C T R L X L R ( B A L A N C E D ) C T R L R C A ( U N B A L A N C E D ) -
Page 7: Inputs
The Reference 125.5 S2 or Reference 125.7 S2 allows signal patch cables (interconnects) to be sourced from either balanced or unbalanced preamplifier/processor outputs. A switch is used to configure a PAIR of AMPLIFIER CHANNELS for use with either balanced (XLR) or unbalanced (RCA) outputs. There are five balanced (XLR) input connectors on the Reference 125.5 S2 and seven balanced (XLR) input connectors on the Reference 125.7 S2. -
Page 8: Input/Output Connections
Use either RCA unbalanced or XLR balanced to connect the preamplifier to amplifier. SURROUND BACK C O N T R O L I / O CONTROL IN ALLOWS AMPLIFIER OPERATION WHEN A 5-24V SIGNAL IS APPLIED WITH A 3.5mm MINI JACK I N P U T 1 I N P U T 1 C T R L... -
Page 9: 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 of helping you reach that goal. •... -
Page 10: Control Triggers
A control (trigger) system is provided on the Reference 125.5 S2 or Reference 125.7 S2 amplifiers to allow remote switching of the amplifier's standby on/off feature. The control input is designed to operate with a source (trigger) of 5-24 volts DC. All B & K A/V processors and preamplifiers utilize control output triggers to easily integrate an amplifier into an audio system. -
Page 11: Troubleshooting
PROBLEM No sound 1. Power cord not plugged in. (power 'on' LED not illu- 2. Power off at AC source. minated). 3. AC power inlet fuse blown or faulty. 4. Control voltage not activated. 5. Power switch in off position (out). -
Page 12: Specifications
Power Rating: 8Ω 125.5 / 125.7 Power Rating: 4Ω 125.5 / 125.7 Number of Channels Current (peak to peak) Dynamic Headroom Total Harmonic Distortion (THD) Signal to Noise (S/N) Input Impedance Damping Factor (50 Hz) Frequency Response Slew Rate Input Sensitivity RCA Unbalanced Input Sensitivity XLR Balanced Gain AC Line Voltage...