A. INTRODUCTION, Thankyou for your purchase of the .KRELL KSL-2.T.he KSL-2utilizes someof the latest evolutions in preamplifier technology. In the KRELL tradition, the KSL-2’S exceptionalsonic quality sets the standard, creating a new-level of performancevalue. To obtain the best performance.fromyour KSL-2,careful attention sh.ould be paid to its placement,installation and operation. A thor_oughunderstandingof these detail.s will helpinsuresatista.
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 WARRANTYAND SERVICE INFORMATION C. UNPACKING AND ASSEMBLY 1. Openthe box and removethe top layer of foam.
D. BASIC INSTALLATION AND OPERATION 1. Place the unit on a firm level surface free fromexcessive dirt or moisture..The KSL-2is not particularly hum sensitive, therefore other componentscan be placed on or around the KSL-2.Care should be taken howeverif the optional phonoboard is installed. Motors, power supplies and somedigital devices can induce hum through the phonoboard. 2. Plug the ACcord into the receptacle on the back of the unit. Plug the remainingend into the wall ACreceptacle.
E. INPUT AND OUTPUT CONNECTIONS CAUTION: Whenmaking connections to this component or any other, makesure tlie poweramplifier is OFF. CAUTION: Makesure all cable terminations are of the highest quality, free fromfrayed ends, shorts or cold soIderjoints. 1. Connect[he left and right outputs of your source components to the inputs on the KSL-2.The KSL-2is equipped with two single-ended inputs, two balanced capable inputs, a single-ended tape input and tape output.
F. BASIC PREAMPLIFIER OPERATION 1. Select the Muteposition on the KSL-2. 2. Turn the volumecontrol fully counterclockwiseto the Off position. 3. Turn the poweramplifier On. Be sure the KSL-2is on at this point. If the KSL-2is notpoweredat this time, turn the amplifier Off and plug tile KSL-2into the wall ACreceptacle. Resumeoperation sequence. " 4. Choosea listening source and select that input with the select switch on the-KSL-2. 5. Start play of the source. 6.
REAR PANEL DESCRIPTION INPUTS Twosingle-ended inputs via standard RCAconnectors S 1- Dedicatedto Phonoinput if board is installed $2 Twobalanced inputs via standard XLRconnectors B1 B2 TAPE Tape input via standard RCAconnectors TAPE OUTPUT Record via RCAconnectors MAIN OUTPUTS Single-ended RCAoutput connectors Balanced XLRoutput connectors XLRinput and output pin configuration p!n 1 Ground(shield) p.
G. QUESTIONS AND ANSWERS Q. WhenI turn up the volume on the KSL-2a loud hum is present fromtlie loudspeakers.Whatcould it be? A. Humcan be caused by several different disturbances. Checkto makesure all of the cables in and out of the KSL-2are sound and makingproper contact. Makesure there are_no powersupplies or huminducing components on top o~ or directly belowthe KSL-2. Youalso could be experiencing a groundloop in the system. A ground loop can be ca.used whe.n several.
Q. Whydo I have, to turn up the volumeso high to get music at a normmlistening level? A. If your system does not seem.to have enoughgain over all, youare probab~lynot utilizing the balancedinput or output capabihties ot the KSL-2.F-or every balanced termination on the KSL-2you increase the gain by 6dB. I camehomeone evening and the pilot LEDin the ~.SL-2 was not illuminated( Whatshould I do? A. Unplugthe KSL-2from the wall ACreceptacle an.d checkthe fuse in the rear panel.
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.
I. WARRANTYAND SERVICE INFORMATION There are no user-serviceable parts inside the KSL-2.The KSL-2has a limited warranty_of five years parts and labor. Returnfreight is included in the warranty. The warranty,pefi.od, tiegins on_thedate of purchaseand is activated with the return ot the enclosed WarrantyCard and a copyof the Sales receipt. Please return the war-. ranty card immediatelyafter successful installation anti operation are completed.
