Instruction/ maintenance manual of the product ST3140 B&K
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ST3140 Three Channel Amplifier OWNER’S MANUAL B & K Components Ltd. 13000 rev 0005.
13000 rev 0005 B&K Components, Ltd., 2100 Old Union Road, Buffalo, New York 14227.
Page 1 13000 rev 0005 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 Co.
Page 2 13000 rev 0005 SAFETY PRECAUTIONS PLEASE READ BEFORE INSTALLING WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
Page 3 13000 rev 0005 The ST3140's purpose and function The ST3140 is a compact, very efficient, three channel power amplifier. It is designed to be used in all types of audio or audio/video systems.
Page 4 13000 rev 0005 Rear Panel View 1. AC fuse holder 4. Inputs 2. AC Input receptacle 5. Level controls 3. Speaker outputs 6. Amplifier control muting input/output NOTE: THE BALANCED INPUTS ARE NOT AVAILABLE ON THE ST3140 AMPLIFIER Rear panel description 1.
Page 5 13000 rev 0005 5. Level controls - For adjusting the input level of each channel into the amplifier. There are level controls on the back of the amplifier. One level control for each channel. Explained further on page 6. 6. Amplifier control muting input/output - To provide remote switching of mute on/off of the amplifier.
Page 6 13000 rev 0005 )LJXUH& If the control function is desired, each unit in the system must remain connected at all times and the control must be enabled. To enable the control function, the CTRL ENABLE button must be out for each controllable amplifier in the system.
Page 7 13000 rev 0005 )LJXUH' Outputs Five wa y bindin g posts are provided. One pair for each channel. The y are desi g ned to accept a banana-t y pe plu g or spade lu g connector (shown below) and are color coded for eas y identification. The red (+) post should alwa y s be connected to the speakers (+) jack.
Page 8 13000 rev 0005 Here is a typical input setup: System installation There will most likely be a number of cables involved in the installation of your home entertainment system.
Page 9 13000 rev 0005 Making the connection Before doing anything, ensure that the power switch on the amplifier’s front panel is in the ‘off’ position. Again, it is recommended that you locate a separate AC power outlet for the amplifier, one that is not shared by any other audio component in the system or any other house hold component.
Page 10 13000 rev 0005 Troubleshooting PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION No sound (‘on’ LED not illuminated) 1. Power cord not plu gg ed in. 2. Power off at AC source. 3. AC power inlet fuse blown or faulty. 4. Control switch in the wron g position.
Page 11 13000 rev 0005 ST3140 SPECIFICATIONS Power rating: 8 ohms 140 watts @ 1 kHz 4 ohms 185 watts @ 1 kHz Frequency response 5 Hz - 45 kHz Input sensitivity 1.0 Volts THD (S+N) 0.09 % @ 1 kHz Input impedance 33.2 k ohms Damping factor 100 Current (peak to peak) 30 Amps Slew rate 14 V / ) sec Dynamic headroom 1.
Page 12 13000 rev 0005 Limited Warrant y B&K Components Ltd., referred to herein as B&K, warrants your B&K equipment a g ainst all defects in material and workmanship for a period of five years from the date of purchase. This warranty applies only to the ori g inal purchaser and only to equipment in normal residential use and service.
13000 rev 0005 B&K Components, Ltd., 2100 Old Union Road, Buffalo, New York 14227.
13000 rev 0005 B&K Components, Ltd. 2100 Old Union Road Buffalo, New York 14227 716-656-0023 www.bkcomp.com.
An important point after buying a device B&K ST3140 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought B&K ST3140 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data B&K ST3140 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, B&K ST3140 you will learn all the available features of the product, as well as information on its operation. The information that you get B&K ST3140 will certainly help you make a decision on the purchase.
If you already are a holder of B&K ST3140, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime B&K ST3140.
However, one of the most important roles played by the user manual is to help in solving problems with B&K ST3140. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device B&K ST3140 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
