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B&K 7260 series - page 1
B & K Components Ltd. P/N 13007 Rev. 0004 Reference 7250/7260 series II Five/Six Channel Amplifier OWNER’S MANUAL ...
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B&K 7260 series - page 2
B&K Components, Ltd 2100 Old Union Road Buffalo, New York 14227 P/N 13007 Rev. 0004 ...
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B&K 7260 series - page 3
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 Inputs page 5 - 6 Outputs page 6 Control Muting page 8 - 9 System installation page 7 Making the connection page 7 - 8 Troubleshooting page 10 Care and ...
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B&K 7260 series - page 4
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 triangle, is intended to alert the user of the presence of uninsulated “ dangerous voltage ” within the product’s enclosure that may be sufficient mag ...
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B&K 7260 series - page 5
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. Design and construction The Reference 7250/7260 series II utilizes high quality electronic circuitry to achieve an environment wherein a ...
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B&K 7260 series - page 6
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. Replace with same type and value fuse only. 2. AC Input receptacle - For ...
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B&K 7260 series - page 7
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). Then adjust them according to your system requirements to match the sound level coming from ...
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B&K 7260 series - page 8
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. The positive (+) post should always be connected to the speakers (+) jack. The negative (-) post s ...
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B&K 7260 series - 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: § Make a diagram of your proposed system by laying out the relative location of each ...
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B&K 7260 series - page 10
§ 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. Example: If you connect your left front output of your preamplifier to channel 4 input on the amplifier, remember to connect your left front speaker wires to channel 4's outputs ...
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B&K 7260 series - page 11
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. It must be within the range, as indicated on the rear panel, 5-24 volts DC is required. The amplifier will provide each successive amplifier with a control voltage of 12 volts DC for reliable oper ...
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B&K 7260 series - page 12
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. Check connections making sure that cables are connected (+) to (+) and (-) to (-) 1 ...
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B&K 7260 series - page 13
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 1.2 dB S/N (A-weighted) 95 dB Voltage ...
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B&K 7260 series - page 14
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. Defective equipment must be r ...
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B&K 7260 series - page 15
B&K Components, Ltd 2100 Old Union Road Buffalo, New York 14227 P/N 13007 Rev. 0004 ...
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B&K 7260 series - page 16
B&K Components, Ltd. 2100 Old Union Road Buffalo, New York 14227 www.bkcomp.com P/N 13007 Rev. 0004 ...
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