Page 2 - ii; Phone
ii B&K Components, Ltd. , 2100 Old Union Road, Buffalo New York 14227-2725 Phone 1-800-543-5252 or (716) 656 -0026, Fax (716) 656 -1291 E-mail: [email protected] Web: www.bkcomp.com
Page 3 - iii; TABLE OF CONTENTS
iii TABLE OF CONTENTS Table of Contents ............................................................................................................................... iiiSafety Precautions .................................................................................................................
Page 4 - SAFETY PRECAUTIONS; PLEASE READ BEFORE INSTALLING
1 SAFETY PRECAUTIONS PLEASE READ BEFORE INSTALLING WARNING: to prevent fire or shock hazard, do not expose this unit to rain or moisture. Care should betaken to prevent objects or liquid from entering the enclosure. Never handle the power cord with wethands. The lightning flash with arrowhead, wit...
Page 6 - REAR PANEL VIEW
3 REAR PANEL VIEW Figure 1 1. AC fuse holder 6. Master control input/output 2. Channel control input/output 7. Bus inputs and outputs 3. Dip switches 8. AC input receptacle 4. Channel inputs and outputs 9. Speaker outputs 5. Channel level control 1. AC fuse holder - The AC Line fuse. The fuse is an ...
Page 7 - DIP SWITCH SETTING
4 6. Master control input/output (A or B) - The AV1260 is designed to provide independent control for two groups of amplifier channels, Group A has control over amplifier channels 1-6, while Group B has control over amplifierchannels 7-12. Master control A allows for single switching of the amplifie...
Page 8 - LEVEL CONTROL
5 CHANNEL CONTROL & MUTING Each pair of amplifier channels has its own 1/8” mini control input / output (pass through) jack to provide remoteswitching of the amplifier audio mute on/off feature. The control input circuit is designed to work as Tip Pos. (+)and Ring Neg. (-). A minimum of 5VDC @ 1...
Page 9 - INPUT CONNECTIONS; OUTPUT CONNECTIONS
6 INPUT CONNECTIONS Each pair of amplifier channels have their own ‘Local’ input and output RCA connectors. The inputs are designedto accept line level audio from a preamplifiers unbalanced output connectors. Output expansion is accommodatedwith the supplied output connectors. These outputs are effe...
Page 10 - LEVEL CONTROL DEFEAT; JUMPER SETTINGS
7 LEVEL CONTROL DEFEAT The following procedures should only be performed by a qualified technician. Each pair of amplifier channels havetheir own ‘Local’ level control that may be bypassed to allow paralleling output channels. The jumper modules arelocated inside the unit, on the circuit board, just...
Page 12 - SYSTEM INSTALLATION; MAKING THE CONNECTION
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 ofhelping you reach that goal. Make a diagram of your proposed sy...
Page 13 - TROUBLESHOOTING; PROBLEM; If unit continues to blow power inlet fuses,; DO NOT USE A HIGHER RATED; please contact customer service to have the unit serviced.; CARE AND CLEANING
10 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION No sound (‘on’ LEDnot illuminated) 1. Power cord not plugged in.2. Power off at AC source.3. AC power inlet fuse blown or faulty 1. Reconnect power cord.2. Check AC switch or fuse3. Check for shorts or overloading No sound on someor all sel...
Page 14 - SPECIFICATIONS
11 SPECIFICATIONS Power Rating: 8 ohms 4 ohms 60 watts @ 1 kHz80 watts @ 1 kHz THD (S+N) 0.09 % @ 1 kHz Frequency response 5 Hz – 45 kHz Input sensitivity 0.77 Volts Input impedance 33.2 k ohms Damping factor 80 Current (peak to peak) 16 Amps Slew rate 14 V / sec Dynamic headroom 1.0 dB S/N (A- we...