B&K ST2140 - Manuals - manualsarea.com

Page 3 - Table of contents

Page 1 12998 rev 0004 Table of contents Safety Precautions Page 2 Purpose and function Page 3 Design and construction Page 3 Features Page 3 Rear panel view Page 4 Rear panel description Page 4 - 5 Control muting Page 5 - 6 Level controls Page 6 Outputs Page 7 Inputs Page 7 - 8 System installation P...

Page 4 - SAFETY PRECAUTIONS; PLEASE READ BEFORE INSTALLING

Page 2 12998 rev 0004 SAFETY PRECAUTIONS PLEASE READ BEFORE INSTALLING WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS UNITTO RAIN OR MOISTURE. The lightning flash with arrowhead, within an equilateral triangle, is intended to alert theuser of the presence of uninsulated “dangerous volt...

Page 6 - Rear Panel View; Rear panel description

Page 4 12998 rev 0004 Rear Panel View 1. AC fuse holder 5. RCA inputs (unbalanced) 2. AC Input receptacle 6. Level controls ** 3. Speaker outputs 7. Amplifier control muting input/output 4. Balanced inputs ** OPTIONS AVAILABLE FOR THE ST2140 AMPLIFIER NOTE: THE CENTER CHANNEL IS NOT AVAILABLE ON THE...

Page 7 - Control muting; DO NOT POWER MOTORS WITH THIS CIRCUIT.

Page 5 12998 rev 0004 4. Balanced inputs - For connecting balanced signal patch cables (XLR). Explained further on page 8. 5. RCA inputs - For connecting signal patch cables (interconnects) from thepreamplifier to the amplifier to pass signal. 6. Level controls - Option available for the ST2140 ampl...

Page 8 - Level controls

Page 6 12998 rev 0004 )LJXUH& If the control function is desired, each unit in the system must remain connected at alltimes and the control must be enabled. To enable the control function, the CTRLENABLE button must be out for each controllable amplifier in the system. For moreinformation on the...

Page 9 - Outputs; Inputs

Page 7 12998 rev 0004 )LJXUH' Outputs Five way binding posts are provided. One pair for each channel. They are designed toaccept a banana-type plug or spade lug connector (shown below) and are color codedfor easy identification. The red (+) post should always be connected to the speakers (+)jack. Th...

Page 13 - Troubleshooting; PROBLEM; DO NOT USE A HEAVIER; Care and cleaning

Page 11 12998 rev 0004 Troubleshooting PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION No sound (‘on’ LED not illuminated) 1. Power cord not plugged in. 2. Power off at AC source. 3. AC power inlet fuse blownor faulty. 4. Control switch in the wrongposition. 1. Reconnect power cord. 2. Check AC switch or f...

Page 15 - B&K Components Ltd. 2100 Old Union Road, Buffalo New York 14227

Page 13 12998 rev 0004 Limited Warranty B&K Components Ltd., referred to herein as B&K, warrants your B&K equipment against all defects inmaterial and workmanship for a period of five years from the date of purchase. This warranty appliesonly to the original purchaser and only to equipme...