Krell Industries KAV-280p Instructions For Use Manual Download

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Instructions for Use

Owner’s Reference

THE LEADER IN AUDIO ENGINEERING

KAV–280p

Remote Control

Preamplifier

Summary of Contents for KAV-280p

Page 1: ...Instructions for Use Owner s Reference THE LEADER IN AUDIO ENGINEERING KAV 280p Remote Control Preamplifier ...

Page 2: ... connecting the KAV 280p to any other component Make sure all cable terminations are of the highest quality free from frayed ends short circuits or cold solder joints When the line fuse needs to be replaced use the spare fuse provided Unplug the component before replacing the fuse THERE ARE NO USER SERVICEABLE PARTS INSIDE ANY KRELL PRODUCT Please contact your authorized dealer distributor or Krel...

Page 3: ...ON 12 Battery Installation and Removal 12 Remote Control Functions 12 CONNECTING THE KAV 280p TO YOUR SYSTEM 15 Connection Steps 15 OPERATING YOUR KAV 280p 16 Preamplifier Operation 16 Tape Input and Output 17 CONFIGURING THE KAV 280p FOR THEATER THROUGHPUT 19 HOW TO TROUBLESHOOT SYSTEM NOISE 20 QUESTIONS AND ANSWERS 21 WARRANTY 22 RETURN AUTHORIZATION PROCEDURE 23 SPECIFICATIONS Back Cover ...

Page 4: ...iv Krell KAV 280p Illustrations FIGURE 1 The KAV 280p Front Panel 5 FIGURE 2 The KAV 280p Back Panel 8 FIGURE 3 The KAV 280p Remote Control 11 Page ...

Page 5: ...accomplished via hermetically sealed multiple contact precision relays The KAV 280p provides a high level of operational convenience and functional versatility It is easy to integrate into your system The remote control accesses all amplifier functions and remote control connection options on the back panel allow the KAV 280p to be easily connected with other components With its unique Theater Thr...

Page 6: ...d A two wire input or output circuit Use care when using single ended connections as the ground connection is made last and broken first Turn the system off prior to making or breaking single ended connections Single ended connections are not recom mended for connections requiring long cable runs Off The component is off when the AC power cord is unplugged from the wall receptacle Stand by Mode A ...

Page 7: ... 3 Unpacking 1 Open the shipping box and remove the top layer of foam The following items are visible 1 KAV 280p Remote Control Preamplifier 1 Accessory Kit containing 1 AC power cord 1 12 VDC 12 V trigger cable 1 KAV 280p remote control 1 CR2025 lithium battery for the remote 1 Packet containing the owner s reference and the warranty registration card 2 Grasp the underside of the preamplifier and...

Page 8: ...ure the top and bottom ventilation grids are unobstructed You may experiment with feet or cones as long as they are not permanently affixed to the chassis Any unauthorized modifications to the electronics or chassis will void the warranty The KAV 280p has superb regulation and does not require a dedi cated AC circuit Avoid connections through extension cords or multiple AC adapters High quality 15...

Page 9: ...B 1 S 1 S 2 S 3 7 11 6 9 10 8 Mode Indicators 8 Mute Button 9 Mute LED Volume Adjustment Functions 10 Level Knob 11 Front Panel Display Power 1 Power Button 2 Power LED 3 Stand by LED 4 Infrared Sensor Analog Devices 5 S 1 S 2 S 3 and B 1 Buttons and LEDs 6 Tape Button 7 Tape LED ...

Page 10: ...4 Infrared Sensor The infrared sensor receives commands from the KAV 280p remote control For proper remote control operation make sure the infrared sensor is clear of any obstructions 5 S 1 S 2 S 3 and B 1 Buttons and LEDs Use these buttons to select a balanced analog source component B 1 via an XLR connector or a single ended analog source com ponent S 1 S 2 or S 3 via single ended RCA connectors...

Page 11: ...he red mute LED illuminates when you have interrupted the signal from the active source using the mute button 8 on the front panel or mute key 25 on the remote 10 Level Knob The volume level knob adjusts the processor output level which is indicated numerically on the front panel display 11 range is 0 151 To access the balance feature use the remote control See Balance Keys on page 13 11 Front Pan...

Page 12: ...5 IN KAV 280p 12 13 14 16 17 18 20 19 21 15 Analog Inputs 12 Left and Right Balanced Analog Inputs 13 Left and Right Single ended Analog Inputs 14 Left and Right Tape Inputs Analog Outputs 15 Left and Right Tape Outputs 16 Left and Right Single ended Outputs 17 Left and Right Balanced Outputs Remote Connections 18 12 VDC Out and In 19 RC 5 In Power 20 Line Fuse and Fuseholder 21 IEC Connector ...

Page 13: ... pair of single ended tape outputs via RCA connectors 16 Left and Right Single ended Outputs The KAV 280p is equipped with a pair of single ended preamplifier outputs 17 Left and Right Balanced Outputs The KAV 280p is equipped with a pair of balanced preamplifier outputs 17 12 VDC Out The KAV 280p is equipped with an output that sends 12 VDC 12 V trigger power on off signals to other Krell compone...

Page 14: ...In The KAV 280p is equipped with an RC 5 input that makes custom installation easy and secure by accepting baseband RC 5 input commands from hardwired remote controllers 19 Line Fuse and Fuseholder The 50 60 Hz line fuse protects the KAV 280p in the event of a component failure The fuseholder drawer houses two line fuses one is functional and one is a spare When the line fuse needs to be replaced ...

Page 15: ...l Functions 26 Mute Key 27 Vol Volume Keys 28 Bal Balance Keys Note The remote control keys listed above function with the KAV 280p Other keys on this remote control may activate other Krell components for exam ple other compact disc players Consult the Krell owner s reference manual for each component to review the remote control capabilities for each Krell component ...

Page 16: ...tch the remote control finish 3 Place the battery positive side up in the battery tray 4 Slide battery compartment back into the remote until you hear a click The remote control is ready for operation Replace battery when remote control function becomes intermittent Remove battery if the remote control is not used for a long period of time Battery leakage can damage the remote control The KAV 280p...

Page 17: ...he output signal of a three head analog tape recorder compared to the output signal from an audio source when making a recording See Tape Input and Output on page 18 The red tape monitor LED on the front panel illumi nates when the tape monitor is activated 26 Mute Key Use this key to interrupt the signal from the active source you have selected When the red mute LED 9 on the KAV 280p is illuminat...

Page 18: ... display indicates balance right or left of center and how much the balance is off center on a scale of 1 slightly off center to 5 completely on one side Example A display of 3 means that the balance is moderately right of center A display of 5 means the balance is severely left of center The remote control keys listed above function with the KAV 280p Other keys on this remote control may activate...

Page 19: ...ectors and one pair of single ended outputs via RCA connec tors Both balanced and single ended outputs are active at all times allowing simultaneous connections to separate ampli fiers or separate systems Do not connect both outputs to a single stereo amplifier at one time 4 Connect the outputs of the KAV 280p to the inputs of your power amplifier The KAV 280p is equipped with one balanced input v...

Page 20: ... from other Krell components and the output sends 12 volt power on off signals to other Krell components as well as to other devices that incorpo rate a 12 Volt power on off trigger input This feature allows enables the remote turn on off of other compo nents when the KAV 280p is powered on off Consult the owner s reference of any device used in a custom installation to take full advantage of the ...

Page 21: ...reamplifier is now ready for opera tion 2 To access preamplifier functions via the remote control press the pre key 23 on the remote control When you press a function key on the remote the blue power LED 2 will flash 3 Choose a listening source and select the source input 4 Start playing the source Set the volume to a comfortable lis tening level using the level knob 10 or volume keys 28 5 When ch...

Page 22: ...o switch between the tape recorder output red tape moni tor LED 7 illuminated and the input source red tape monitor LED 7 not illuminated 3 Use the tape output to create a processor loop when the KAV 280p is connected to a graphic equalizer or other ancil lary equipment To activate this function connect the equip ment to the KAV 280p tape outputs 15 as described in the equipment manufacturer s man...

Page 23: ...ase the button 5 for the device you wish to configure for Theater Throughput The LED illuminates 3 Press the button again and hold it for four seconds The word thr appears on the front panel display 11 Make sure the level on the source component is set to zero when configuring the KAV 280p input set for Theater Throughput Source components without level controls should not be connected to an input...

Page 24: ...terconnect cables from the KAV 280p to the sys tem amplifier Turn the amplifier back on 3 If the hum disappears turn the amplifier off and reinsert the interconnect cables from one of the analog source compo nents Turn the amplifier back on and select on the KAV 280p the source component you have just connected Carefully increase the volume on the KAV 280p If the hum reappears in one or both chann...

Page 25: ...roubleshoot System Noise on page 20 If the interconnects and cables are sound you may be experiencing a ground loop This can often be easily eliminated Please contact your authorized Krell dealer distributor or Krell for suggestions on how to solve this problem Q When I use the KAV 280p s Theater Throughput capability with my surround sound processor where should I set the volume on the KAV 280p A...

Page 26: ...cluded in the warranty If you have purchased your Krell product outside the U S A and wish to have it serviced at the factory all freight and associated charges to the factory are your responsibility Krell will pay return freight to the U S A based freight forwarder of your choice Freight and other charges to ship the unit from the freight forwarder to you are also your responsibility Krell is not...

Page 27: ...e been made in advance Proof of pur chase will be required for warranty validation at the time of hand delivery Use the original packaging to ensure the safe transit of the product to the factory dealer or distributor Krell may at its discretion return a product in new packaging and bill the owner for such pack aging if the product received by Krell was boxed in nonstandard packaging or if the ori...

Page 28: ...LR connectors 3 pair single ended via RCA connectors OUTPUTS 1 pair balanced via XLR connectors 1 pair single ended via RCA connectors TAPE INPUT AND OUTPUT 1 pair single ended via RCA connectors REMOTE CONTROL 1 handheld wireless remote 1 12 VDC Out In 12 V trigger 1 RC 5 input via a DC power connector DIMENSIONS 17 3w x 3 5h x 17 3d in 43 8w x 8 9h x 43 8d cm WEIGHT Shipping 22 0 lb 10 0 kg Unit...

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