Krell Industries KSA-100S Owner's Reference Manual

[Page 1] Krell Industries KSA-100S

~NALOG AND DIGITAL PRODUCTS S-SERIES I BIAS LEVEL I 04 0 40 O~ ~0 01 10 KSA-100S / 200S/300S OWNER’S REFERENCE ...

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INTRODUCTION Thank you for your purchase of the KRELL KSA-100S/200S/300S power amplifier. These amplifiers represent the latest evolution in amplifier technology, matching unprecedented performance with convenience not obtainabl...

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TABLE OF CONTENTS 4 UNPACKING 5 LOCATION AND REMOTE TURN-ON 6 CABINETRY AND AC POWER CONSIDERATIONS 7 AMPLIFIER FEET AND REMOTE MASTER/SLAVE CONNECTIONS 9 INPUT AND OUTPUT CONNECTIONS 12 AMPLIFIER OPERATION 13 TURN-ON DESCRIPTI...

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UNPACKING NOTE: Due to the extreme weight of the KSA amplifiers, it is strongly advised that unpacking and placement is completed by at least two individuals. 1. Open the box. 2. Fold back the flaps on all four sides of t...

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BASIC INSTALLATION LOCATION Place the KSA on a firm level surface away from excessive dirt or moisture. When using custom racks or cabinetry, keep in mind the weight and ventilation requirements for these amplifiers. Ideally...

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BASIC INSTALLATION CABINETRY CONSIDERATIONS High bias amplifiers dissipate much of the power they consume in heat. Because the KSA- 100S/200S/300S utilize Sustained Plateau Biasing, they remain cool when not in use. When the ...

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BASIC INSTALLATION AMPLIFIER FEET The feet on the KSA can be used in several different ways. They are made from machined Delrin and are supplied with separate threaded rubber bottoms. The rubber bottoms can be screwed into ...

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BASIC INSTALLATION 4. Connect additional amplifiers as described in step 3. 5. When the cables are all in place, point the remote control at the amplifier designated as Master and press the Power button. The amplifiers w...

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CONNECTIONS 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 STAND-BY mode. The wiring to and from the ...

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CONNECTIONS The pin assignment for the XLR is: pin 1 = shield (ground) pin 2 = non-inverting input (hot) pin 3 = inverting input NOTE: The RCA center conductor for each channel is wired in parallel with pin 2, the non-inve...

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CONNECTIONS LOUDSPEAKERS KSA AMPLIFIER R L PAGE 11 ...

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OPERATION AMPLIFIER OPERATION Understanding the ’operation of the amplifier is very easy. Equally important is an understanding of the care that should be exercised when operating the system as a whole, in relation to t...

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OPERATION DESCRIPTION OF TURN-ON SEQUENCE When turning on the system, the amplifier should always be last. The KSA On/Off switch is part of a multi-level turn-on circuit that goes through several steps of protection. Upon ...

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OPERATION SYSTEM NOISE CONSIDERATIONS AC grounding often becomes critical when connecting high performance audio gear. When mixing and matching audio components, each with their own ground potentials, a low frequency hum can b...

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OPERATION BIAS LEVEL METER The KSA amplifiers utilize Sustained Plateau Biasing, a proprietary KRELL design. The Bias display meter on the front panel of the amplifier displays which level of bias the amplifier is utilizing....

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OPERATION FRONT PANEL METER BUTTON A small button beneath the Power button on the front panel controls Bias Meter display illumination. When engaged, the meter display will no longer indicate bias levels; only the Blue pi...

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OPERATION REMOTE CONTROL FUNCTIONS The KSA-100S/200S/300S are the first high performance amplifiers to utilize remote control functions. The amplifiers can be switched on or offand the meter function can be changed from your...

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OPERATION PROTECTION CIRCUITRY There are no fuses in the KSA. The amplifier is protected by a series of non- intrusive, opto-coupled circuits that constantly evaluate the amplifier’s operation. Appropriate protective action ...

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OPERATION Should the amplifier turn off when either output cable is connected, the problem is cable or speaker related. Check to make sure there are good mechanical connections on the speaker cabling and there are no f...

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QUESTIONS AND ANSWER Q. Should I leave the KSA on at all times? A. Because of Sustained Plateau Bias, the KSA can be left on at all times without fear of damage, excessive heat or excessive power consumption. The KSA ...

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QUESTIONS AND ANSWER Q. My speakers axe only rated for 150 watts, is the KSA-200 or KSA-300 going to be too much power for them? A. Seldom do you break a speaker by over powering it. Usually lower powered amplifiers wi...

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SPECIFICATIONS AMPLIFIER THD (1KHz/20KHz) GAIN SIGNAL TO NOISE INPUT SENSITIVITY INPUT IMPEDANCE OUTPUT VOLTAGE (PEAK TO PEAK/RMS) OUTPUT POWER 8 gl (ohms) it] DIMENSIONS LENGTH WIDTH HEIGHT SHIPPING WEIGHT KSA- 100S 0.1%/0.5% 26.0dB 100...

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WARRANTY AND SERVICE THERE ARE NO USER-SERVICEABLE PARTS INSIDE THE KSA-100S/200S/300S. The KSA-100S/200S/300S has a limited and transferable warranty of five years for parts and labor. The warranty period begins on the date ...

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KRELL 45 Connair Road Orange, CT 06477 SALES (203) 799-9954 FAX (203) 799-9796 © 1994 KRELL INDUSTRIES (KSA9406) ...