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A. INTRODUCTION, Thank you for your purchase of the .KRELL KSL-2. T.he KSL-2 utilizes some of the latest evolutions in preampli- fier technology. In the KRELL tradition, the KSL-2’S exceptional sonic quality sets the standard, creating a new -level of performance value. To obtain the best performance.from your KSL-2, careful attention sh.ould be paid to its placement, installation and operation. A thor_ough understanding of these detail.s will helpinsure satista.ctory operation and long life for
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B. TABLE OF CONTENTS 3 UNPACKING AND ASSEMBLY 4 BASIC INSTALLATION AND OPERATION 5 INPUT AND OUTPUT CONNECTIONS 6 BASIC PREAMPLIFIER OPERATION 8 QUESTIONS AND ANSWERS 10 SPECIFICATIONS 11 WARRANTY AND SERVICE INFORMATION C. UNPACKING AND ASSEMBLY 1. Open the box and remove the top layer of foam. The KSI2-2 and following items will now tie visible: T-15 torx key~or 3/32 allen key Warranty card AC power cord Owner’s Reference NOTE: If any of these items are not included please contact your authori
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D. BASIC INSTALLATION AND OPERATION 1. Place the unit on a firm level surface free from exces- sive dirt or moisture..The KSL-2 is not particularly hum sensitive, therefore other components can be placed on or around the KSL-2. Care should be taken however if the optional phono board is installed. Motors, power supplies and some digital devices can induce hum through the phono board. 2. Plug the AC cord into the receptacle on the back of the unit. Plug the remaining end into the wall AC receptac
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E. INPUT AND OUTPUT CONNECTIONS CAUTION: When making connections to this component or any other, make sure tlie power amplifier is OFF. CAUTION: Make sure all cable terminations are of the highest quality, free from frayed ends, shorts or cold soIder joints. 1. Connect [he left and right outputs of your source com- ponents to the inputs on the KSL-2. The KSL-2 is equipped with two single-ended inputs, two balanced capable inputs, a single-ended tape input and tape output. The single-ended and ba
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F. BASIC PREAMPLIFIER OPERATION 1. Select the Mute position on the KSL-2. 2. Turn the volume control fully counterclockwise to the Off position. 3. Turn the power amplifier On. Be sure the KSL-2 is on at this point. If the KSL-2 is notpowered at this time, turn the amplifier Off and plug tile KSL-2 into the wall AC receptacle. Resume operation sequence. " 4. Choose a listening source and select that input with the select switch on the-KSL-2. 5. Start play of the source. 6. Slowly turn the volume
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REAR PANEL DESCRIPTION INPUTS Two single-ended inputs via standard RCA connectors S 1- Dedicated to Phono input if board is installed $2 Two balanced inputs via standard XLR connectors B1 B2 TAPE Tape input via standard RCA connectors TAPE OUTPUT Record via RCA connectors MAIN OUTPUTS Single-ended RCA output connectors Balanced XLR output connectors XLR input and output pin configuration p!n 1 Ground (shield) p.an 2 0 degrees (non-inverting) pan 3 180 ~legrees (inverting) 7
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G. QUESTIONS AND ANSWERS Q. When I turn up the volume on the KSL-2 a loud hum is present from tlie loudspeakers. What could it be? A. Hum can be caused by several different disturbances. Check to make sure all of the cables in and out of the KSL-2 are sound and making proper contact. Make sure there are_no power supplies or hum inducing components on top o~ or directly below the KSL-2. You also could be experiencing a ground loop in the system. A ground loop can be ca.used whe.n several. compone
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Q. Why do I have, to turn up the volume so high to get music at a normm listening level? A. If your system does not seem .to have enough gain over all, you are probab~ly not utilizing the balanced input or output capabihties ot the KSL-2. F-or every balanced termination on the KSL-2 you increase the gain by 6dB. . I came home one evening and the pilot LED in the ~ SL-2 was not illuminated( What should I do? A. Unplug the KSL-2 from the wall AC receptacle an.d check the fuse in the rear panel. If
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H. SPECIFICATIONS GAIN 7.SdB SIGNAL-TO-NOISE < -90 dB unweighted THD 1K < 0.01% 20K < 0.01% INPUT IMPEDANCE 47,000 ohms(47K) OUTPUT IMPEDANCE 11 ohms OUTPUT VOLTAGE 8 volts R.M.S. DIMENSIONS 19" WIDE 14" DEEP 2.5" HIGH with feet WEIGHT Unit only 19 pound, s packed 24 pounos 10
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I. WARRANTY AND SERVICE INFORMATION There are no user-serviceable parts inside the KSL-2. The KSL-2 has a limited warranty_ of five years parts and labor. Return freight is included in the warranty. The warranty, pefi.od, tiegins on_the date of purchase and is activated with the return ot the enclosed Warranty Card and a copy of the Sales receipt. Please return the war-. ranty card immediately after successful installation anti operation are completed. The warranty for Krell products is valid ~
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