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10

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 blown or faulty

1. Reconnect power cord.
2. Check AC switch or fuse
3. Check for shorts or overloading

No sound on some
or all selected
channels (‘on’ LED
illuminated)

1. Speaker leads loose or faulty
2. Line stage to amp cables loose or

faulty

3. Source to line stage cables loose

or faulty

4. Line stage or source not correctly

selected

1. Tighten, repair or replace cable
2. Tighten, repair or replace cable

3. Tighten, repair or replace cable

4. Check all switch settings

Sound lacks
direction, bass
weak

1. Speakers connected out of phase

1. Check all connections making sure that

cables are connected (+) to (+) and (-) to (-)

Loud hum or buzz
on one or more
channels

1. Poor ground connection in inter-

connect cables

1. Check all connectors and repair as

necessary

Channel sounds
distorted and low
output

1. Blown rail fuse

1. Replace blown rail fuse inside amplifier.

* *Note

:

If unit continues to blow power inlet fuses,

DO NOT USE A HIGHER RATED

FUSE

,

please contact customer service to have the unit serviced.

CARE AND CLEANING

Under normal use, the amplifier will not require any special care. Clean the exterior of the unit by wiping it with a
damp cloth to remove any dirt or dust that accumulates. Do not let any liquid enter the amplifier through its vents
or top cover. It is recommended that the connectors on the rear panel be cleaned annually using isopropyl
alcohol.

Summary of Contents for AV1260

Page 1: ...P N12931 0403 B K Components Ltd AV1260 Owner s Manual...

Page 2: ...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 info bkcomp com Web www bkcomp com...

Page 3: ...Channel Control Muting 5 Master Control Muting 5 Level Control 5 Input Connections 6 Output Connections 6 Level Control Defeat 7 Jumper Settings 7 High Current Mono Usage 8 System Installation 9 Makin...

Page 4: ...ce the unit is resting on We advise against removing or altering feet Do not stack anything on top of the amplifier processor source etc Leave a minimum of 2 clearance from the top of the amplifier to...

Page 5: ...s is the default factory configuration Using the audio distribution BUS DIP switches allow independent configuration for up to 6 pairs of mono or stereo with independent automatic audio sense muting p...

Page 6: ...ifier audio mute on off feature The control input circuit is designed to work as Tip Pos and Ring Neg A minimum of 5VDC 1 mA is recommended and is compatible with up to 24V AC or DC 3 Dip switches Eac...

Page 7: ...nt damage to the speakers or amplifier always verify there is no possibility of shorting multiple speaker terminals or loose wire strands together DIP SWITCH SETTING Each pair of amplifiers have their...

Page 8: ...inimum of 5 VDC 1 mA is recommended and is compatible with up to 24V AC or DC The Master control outputs DO NOT source any voltage directly they only PASS through the input voltage at their receptive...

Page 9: ...and how they may be used to connect to another amplifier OUT 1 source is the same signal as IN 1 OUT 2 source is the same signal as IN 2 BUS inputs are buffered and sent to the BUS outputs OUTPUT CON...

Page 10: ...rranging these jumpers allows configuring the amplifier for use without a level control required for proper operation using paralleled output channels Figure 6 When reconfiguring the AV1260 to NOT USE...

Page 11: ...nels to use the NO VOL jumper terminals Figure 8 The desired speaker output terminals on the AV1260 rear panel must now be paralleled in order to complete the setup Connect the terminals for all desir...

Page 12: ...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 household component This will eliminate the...

Page 13: ...weak 1 Speakers connected out of phase 1 Check all connections making sure that cables are connected to and to Loud hum or buzz on one or more channels 1 Poor ground connection in inter connect cable...

Page 14: ...eak 16 Amps Slew rate 14 V sec Dynamic headroom 1 0 dB S N A weighted 95 dB Voltage gain 28 Line voltage 120 220 240 VAC switchable Dimensions O A 17 w X 14 5 d X 5 75 h Weight 38 lbs max Power consum...

Page 15: ...des B K delivers exceptional value to its customers But what is Upgradability Upgradability is not a guarantee we define it as a philosophy of designing and manufacturing products so that as audio tec...

Page 16: ...13 WWW BKCOMP COM B K Components Ltd 2100 Old Union Road Buffalo New York 14227 Phone 716 656 0026...

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