Krell Industries Power Amplifier KST100 Owner's Reference Manual
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Krell Industries Power Amplifier KST100 Owner's Reference Manual

Krell industries inc. power amplifier owner's reference
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Summary of Contents for Krell Industries Power Amplifier KST100

  • Page 2 A, INTRODUCTION Thank you for your purchase of the KRELL KST-100 poweramplifier. This amplifier represents the latest evolution ~n amplifier technology and incorporates many innovative design features. To obtain the best performance from. your KST-100, careful attention sfiould be paid to placement, installation and operation.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS UNPACKING AND ASSEMBLY BASIC INSTALLATION AND OPERATION INPUT AND OUTPUT CONNECTIONS AMPLIFIER OPERATION PROTECTION CIRCUITRY MONAURAL CONVERSION OPERATION REAR PANEL DESCRIPTIONS QUESTIONS AND ANSWERS SPECIFICATIONS WARRANTY AND SERVICE INFORMATION...

  • Page 4: Unpacking And Assembly

    4. Lay the foam container down on the floor and pull off the top section. The following items will now be visible: KST- 100 stereo amplifier Warranty card AC power cord Rubber bottoms NOTE: If any of these items are not included please contact your authorized dealer immediately for assis- tance.

  • Page 5: Basic Installation And Operation

    C. BASIC INSTALLATION AND OPERATION 1. Place the KST-100 on a firm level surface away from excessive dirt or moisture. Ideally the amplifier should be placed as close to. the speakers as possible. It is always preferable to run long_ interconnect cables to the amplifier and keep speaker calSle length to.a minimum= Speal~er cable does add an impedance at the output ot the ampli- fier, regardless of the cable’s g.uage.

  • Page 6: Input And Output Connections

    D. INPUT AND OUTPUT CONNECTIONS CAUTION: When making connections to this component or any other, make sure the power amplifier is OFF and the preamplifier is in the MUTE or STANDBY 1. Connect the speaker cables .to. the output terminals of the amplifier.
  • Page 7 Thepin assignment for the XLR is: pin _1-= shield (ground) p!n 2 = non-inverting ~nput (hot) p~n 3 - inverting input NOTE: The RCA center conductor for each channel is wiredjn, parallel with pin 2, the non-inv.erted input. Only one ot tlaese inputs should be connectecl to a preamplifier. 3.

  • Page 8: Amplifier Operation

    Eo AMPLIFIER OPERATION 1. Push the black breaker type switc.h on the front of the amplifier to turn it on. The LED in the switch will illumi- nate. When turning on the system, the a _m, plifier should always be last. Upon turn-on, the amplifier s outputs are not connectedto the speakers.

  • Page 9: Protection Circuitry

    The amplifier also has a circuit breaker type powe.r switch that protects it from excessive ACcurrent draw. Should the breaker shut off frequently or become difficult to push ON contact your dealer or Krell Industries.

  • Page 10: Monaural Conversion Operation

    G. MONAURAL CONVERSION AND OPERATION The KST-100 can be easily cgnverted into a 400 watt monaural amplifier. To switcla the amplifier to mono follow these instructions. 1. Remove the topcover from the amplifier via 8 topcover screws. 2. Find the toggle switch located at the rear of the ampli- fier mounted on the circuitboard..

  • Page 11: Rear Panel Descriptions

    H. REAR PANEL DESCRIPTIONS INPUTS: Balanced via 3 pin XLR connector Single ended via RCA connector XLR PIN CONFIGURATION p!n 1 Shield (ground) p!n 2 Non-inverting or 0 degrees (hot) p~n 3 Inverting or 1-80 degrees OUTPUT: Two pairs of five-way binding posts in parallel, per channel OTHER: Standard AC receptacle...

  • Page 12: Questions And Answers

    .switch on the front panel. If the power switch resists being turned ON or shuts OFF once engaged, unplug the unit and call your dealer or Krell industries. t~. When I turn the amplifier on there is a loud hum rough the speakers.
  • Page 13 Q. After the amplifier is playing for about one hour it becomes very hot. Is this normal? A. Yes. Due to the design of the KST-100 it will become quite warm when driven hard. If the amplifier should have a severe temperature inbalance between the left and fight channel, unplug the unit and call your authorized dealer or Krell.

  • Page 14: Specifications

    ¯ I. SPECIFICATIONS KST-100 GAIN 26dB, SIGNAL-TO-NOISE 102dB unweighted 1K at 8 ohms less than. 1% 20K at 8 ohms less than .3% INPUT IMPEDANCE 47,000 ohms(47K) INPUT SENSITIVITY 1.5 volts for 100 watts out OUTPUT IMPEDANCE ¯ 1 ohms OUTPUT VOLTAGE 80 volts peak to peak 8 ohms OUTPUT POWER...

  • Page 15: Warranty And Service Information

    K. WARRANTY AND SERVICE INFORMATION There are no user-serviceable parts inside the KST-100. The KST-100 has a limited warranty of .five years parts and labor. Return freight is includedin the warranty.. The warranty, pe~od, begins on ~the date of purchase and is activated witla the return ot the enclosed Warranty Card and a copy of the Sales receipt.
  • Page 16 45 CONNAIR RD ORANGE, CT 06477 SALES 203-799-9954 FAX 203-799-9796...

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