Instruction/ maintenance manual of the product 7260 series B&K
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B & K Components Ltd. P/N 13007 Rev. 0004 Reference 7250/7260 series II Five/Six Channel Amplifier OWNER’S MANUAL.
B&K Components, Ltd 2100 Old Union Road Buffalo, New York 14227 P/N 13007 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 - 6 Level controls page 5 In.
SAFETY PRECAUTIONS PLEASE READ BEFORE INSTALLING WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. The lightning flash with arrowhead, within an equilateral triang.
The Reference 7250/7260 series II purpose and function The Reference 7250/7260 series II is a high current, five/six channel power amplifier. It is designed to be used in all types of audio or audio/video systems.
Rear Panel View 1. AC fuse holder 4. Amplifier control muting input/output 2. AC Input receptacle 5. Level controls 3. Speaker outputs 6. Inputs 7. Speaker fuses Rear panel description 1. AC fuse holder - Holds the AC Line fuse. This fuse is a 15 Amp / 250 Volt Slow Blow fuse.
7. Speaker Fuses - Protection against amplifier damage in the case of shorted speaker wires. Replace fuse with same value 6 AMP SLO W BLOW only! IMPORTANT! Level controls When using the level controls, first start with them turned all the way up (clockwise).
Here is a typical preamplifier to amplifier setup: Outputs Five way binding posts are provided. One pair for each channel. They are designed to accept a banana-type plug or spade lug connector (shown below) and are color coded for easy identification.
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.
§ Connect the wires from your speakers to the appropriate outputs on the amplifier. It is absolutely essential that you observe correct polarity in these connections.
If a source other than a B&K series preamplifier is used to control multiple amplifiers, only the control output voltage from the source is critical.
Troubleshooting 1. Replace blown rail fuse inside amplifier 1. Blown rail fuse Channel sounds distorted and low in output 1. Check all connectors and repair as necessary. 1. Poor ground connection in inter- connect cables. Loud hum or buzz on one or more channels 1.
Reference 7250/7260 series II SPECIFICATIONS Power rating: 8 ohms 200 watts @ 1 kHz 4 ohms 375 watts @ 1 kHz Frequency response 5 Hz - 45 kHz Input sensitivity 1.4 Volts THD (S+N) 0.09 % @ 1 kHz Input impedance 33.2 k ohms Damping factor 450 Current (peak to peak) 75 Amps Slew rate 14 V / u sec Dynamic headroom 1.
Limited Warranty B&K Components Ltd., referred to herein as B&K, warrants your B&K equipment against all defects in material and workmanship for a period of five years from the date of purchase. This warranty applies only to the original purchaser and only to equipment in normal residential use and service.
B&K Components, Ltd 2100 Old Union Road Buffalo, New York 14227 P/N 13007 Rev. 0004.
B&K Components, Ltd. 2100 Old Union Road Buffalo, New York 14227 www.bkcomp.com P/N 13007 Rev. 0004.
An important point after buying a device B&K 7260 series (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 7260 series 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 7260 series - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, B&K 7260 series you will learn all the available features of the product, as well as information on its operation. The information that you get B&K 7260 series will certainly help you make a decision on the purchase.
If you already are a holder of B&K 7260 series, 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 7260 series.
However, one of the most important roles played by the user manual is to help in solving problems with B&K 7260 series. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device B&K 7260 series 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
