Krell Industries S-1500 Instructions For Use Manual Download Page 1 | Manualshive

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INSTRUCTIONS FOR USE

S –1500

MULTI-CHANNEL
AMPLIFIER

Owner’s Reference

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Summary of Contents for S-1500

Page 1: ...INSTRUCTIONS FOR USE S 1500 MULTI CHANNEL AMPLIFIER Owner s Reference ...

Page 2: ...heat registers stoves or other apparatus including amplifiers that produce heat 8 Unplug this apparatus during lightning storms or when unused for long periods of time 9 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as a power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparat...

Page 3: ...idelines FRONT PANEL DESCRIPTION 10 BACK PANEL DESCRIPTION 11 CONNECTING THE S 1500 AMPLIFIER TO YOUR SYSTEM 13 Input and Output Connections OPERATING THE S 1500 AMPLIFIER 15 On Off and Operation TROUBLESHOOTING SYSTEM NOISE 16 QUESTIONS AND ANSWERS 17 WARRANTY 18 RETURN AUTHORIZATION PROCEDURE 20 SPECIFICATIONS 21 Page ...

Page 4: ...4 Krell S 1500 Multi channel Amplifier FIGURE 1 The S 1500 Multi channel Amplifier Front Panel 9 FIGURE 2 The S 1500 Multi channel Amplifier Back Panel 9 Illustrations Page ...

Page 5: ...r for infor mation on upgrading your amplifier to six or seven channels The S 1500 amplifier has balanced and single ended inputs for compatibility with other components The amplifiers can be oper ated using the 12 VDC power on off 12 V trigger signals from other components The S 1500 amplifier is versatile fitting a vari ety of installations including rack mounted and inside cabinetry This refere...

Page 6: ... connections requiring long cable runs Off When the AC power cord is not plugged into the wall the front panel LED is not illuminated and the component is off Stand by Mode When the AC power cord is plugged into the wall the front panel stand by and power LED 2 illuminates red indicating that the component is in the stand by mode This low power consumption status keeps the audio and circuits at id...

Page 7: ...tration card Two people are needed to remove the amplifier from the shipping box 2 Grasp the underside of the amplifier and lift it straight out of the shipping box 3 Place the amplifier in a safe location and remove the protective plastic wrapping If any of these items are not included in the shipping box please contact your authorized Krell dealer distributor or Krell for assistance Save all pac...

Page 8: ...or installation For the dimensions of your amplifier see Specifications on page 21 Place the amplifier as close to the loudspeakers as possible and keep the loudspeaker cable length to a minimum Loudspeaker cable adds impedance to the load that the amplifier must drive regardless of the cable s gauge Krell amplifiers drive the lowest impedances with ease but long loudspeaker cables reduce the maxi...

Page 9: ...4 OUTPUT 5 OUTPUT 6 OUTPUT 7 NO USER SERVICEABLE PARTS INSIDE KRELL INDUSTRIES INC 45 CONNAIR ROAD ORANGE CT 06477 3650 USA 12VDC OUT IN 30mA MAX 4 6 7 5 8 9 3 50 60 Hz MADE IN USA Balanced Inputs 3 Inputs 1 7 Single Ended Inputs 4 Inputs 1 7 Amplifier Channel Outputs 5 Outputs 1 7 Remote Connections 6 12 VDC Remote Power Out 7 12 VDC Remote Power In Power 8 IEC Connector 9 Fuseholder Figure 2 The...

Page 10: ...component is in the stand by mode When the power button is pressed the LED illuminates in blue indicating that the component is in the operational mode The LED flashes red when the protection circuit is activated If the LED flashes red when the amplifier is in the stand by mode unplug the amplifier from the AC wall outlet to reset the protection circuit Check the loudspeakers and loudspeaker cable...

Page 11: ...fier has seven amplifier channel outputs The loudspeaker binding post terminals accept spade lugs bare wire or pins Use the red terminal for the positive connection and the black terminal for the negative connection BALANCED INPUTS SINGLE ENDED INPUTS AMPLIFIER CHANNEL OUTPUTS BACK PANEL REMOTE CONNECTIONS Tighten loudspeaker binding posts by hand only 6 12 VDC Remote Power Out The S 1500 amplifie...

Page 12: ...lation to take full advantage of the S 1500 amplifier remote capability 8 IEC Connector The connector is for use with the provided IEC standard 15 amp power cord The AC mains fuse must be replaced with the spare fuse provided Use the 12A 1 4 inch slow blow fuse for 100 120 VAC and use the 6A 1 4 inch slow blow fuse for 220 240 VAC Turn off the AC power and unplug the power cord before changing the...

Page 13: ...described below Pin 1 Shield ground Pin 2 Non inverting hot 0 Pin 3 Inverting cold 180 Follow these steps to connect the S 1500 amplifier to your sys tem 1 Make sure all power sources and components are off before connecting inputs and outputs 2 Neatly organize the wiring between the amplifier and all system components Separate AC wires from audio cables to prevent hum or other unwanted noise from...

Page 14: ...nection and the black terminal for the negative connection Tighten loudspeaker binding posts by hand only 5 Plug the AC power cord into the amplifier s IEC connector 8 6 Plug the other end of the AC power cord into the AC wall outlet The amplifier is now ready for operation See Operating the S 1500 Amplifier on the next page The S 1500 5 and S 1500 6 amplifiers may be upgraded with addi tional cha...

Page 15: ...k the loudspeakers and loudspeaker cables for potential short circuits before plugging the amplifier back into the wall outlet 4 Press the power button 1 on the front panel The LED 2 illuminates blue and you will hear a click The amplifier is in the operational mode Krell recommends leaving the S 1500 amplifier in the stand by mode unless you will not be playing music for a long time Always turn t...

Page 16: ...fier back on 3 If the hum reappears with the interconnect cable reinserted the cable may need to be replaced Turn the amplifier off and connect a different interconnect cable to the same location Turn the amplifier back on 4 If the hum disappears with the interconnect cable reinserted that cable most likely is sound 5 Turn the amplifier off disconnect the interconnect cable and re connect one of t...

Page 17: ...S 1500 amplifier are inserted into the XLR inputs the unit is shipped with the pins in place When using the single ended inputs shorting pins must be inserted between pins 1 and 3 to keep external noise from corrupting the signal For more information see Connecting the S 1500 Amplifier to Your System on page 13 Q I cannot turn the amplifier on Why not A Make sure the front panel LED is not flashin...

Page 18: ...ill of sale or receipted invoice sub stantiating that the product is within the warranty period must be pre sented to obtain warranty service The warranty begins on the date of the original retail purchase as noted on the bill of sale or receipted invoice from an authorized Krell dealer or distributor Previously owned equipment when re purchased from an authorized Krell dealer or dis tributor has ...

Page 19: ...come the property of Krell No expressed or implied warranty is made for any Krell product dam aged by accident abuse misuse natural or personal disaster or unau thorized modification Any unauthorized voltage conversion disassembly component replacement perforation of chassis updates or modifications per formed to the product will void the warranty The operating voltage of the product is determined...

Page 20: ...rangements with the Service Department have been made in advance Proof of purchase 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 packaging if the product received by Krell was boxe...

Page 21: ...CED 90 kOhms 90 kOhms 90 kOhms INPUT SENSITIVITY SINGLE ENDED OR BALANCED 1 70 Vrms 1 70 Vrms 1 70 Vrms OUTPUT POWER 150 Wrms 8 Ohms 150 Wrms 8 Ohms 150 Wrms 8 Ohms EACH CHANNEL DRIVEN 300 Wrms 4 Ohms 300 Wrms 4 Ohms 300 Wrms 4 Ohms OUTPUT VOLTAGE 98 V peak to peak 98 V peak to peak 98 V peak to peak 35 Vrms 35 Vrms 35 Vrms OUTPUT CURRENT 15 A peak 15 A peak 15 A peak SLEW RATE 60 V µs 60 V µs 60 ...

Page 22: ...REMOTE CONNECTORS One 12 VDC input One 12 VDC input One 12 VDC input 12 V trigger 12 V trigger 12 V trigger via a 3 5 mm connector via a 3 5 mm connector via a 3 5 mm connector One 12 VDC output One 12 VDC output One 12 VDC output 12 V trigger 12 V trigger 12 V trigger 30 mA maximum 30 mA maximum 30 mA maximum via a 3 5 mm connector via a 3 5 mm connector via a 3 5 mm connector DIMENSIONS INCHES 1...

Page 23: ...Krell Industries Inc 45 Connair Road Orange CT 06477 3650 USA TEL 203 298 4000 FAX 203 891 2028 E MAIL krell krellonline com WEBSITE http www krellonline com S 1500 Multi channel Amplifier v 07 0 ...

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