Related Manuals for Krell Industries KSA-100S
Summary of Contents for Krell Industries KSA-100S
- Page 1 ~NALOG DIGITAL PRODUCTS S-SERIES BIAS LEVEL KSA-100S / 200S/300S OWNER’S REFERENCE...
- Page 2 Customer Satisfaction policy and one of the most advanced service facilities detailed information on the terms and conditions the Warranty and Service section Card, and your authorized of the KRELL KSA-100S/200S/300S represent the latest unprecedented performance audio designs.
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Page 3: Table Of Contents
UNPACKING 5 LOCATION AND REMOTE TURN-ON 6 CABINETRY AND AC POWER CONSIDERATIONS 7 AMPLIFIER FEET AND REMOTE MASTER/SLAVE 9 INPUT AND OUTPUT CONNECTIONS AMPLIFIER OPERATION TURN-ON DESCRIPTION SYSTEM NOISE BIAS LEVEL METER FRONT PANEL METER BUTTON REMOTE CONTROL FUNCTIONS PROTECTION CIRCUITRY AND TROUBLESHOOTING STEPS QUESTIONS AND ANSWERS 22 SPECIFICATIONS WARRANTY AND SERVICE... -
Page 4: Unpacking
UNPACKING NOTE: Due to the extreme weight of the KSA amplifiers, that unpacking and placement is completed by at least 1. Open the box. 2. Fold back the flaps on all four sides of the box and carefully roll it over on to the exposed end. -
Page 5: Location
LOCATION Place the KSA on a firm level surface away from excessive dirt or moisture. When using custom racks ventilation requirements for these amplifiers. placed as close to the speakers as possible. balanced interconnect cables to the amplifier to a minimum. Speaker cable adds impedance to the load the amplifier drive, regardless of the cable’s gauge. - Page 6 This often can be accomplished In more extreme instances clearance, power supplies. for the KSA-100S/200S/300S are in the 20 amp line and should only be operated Use of other power cords may damage the warranty. Please...
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Page 7: Amplifier
AMPLIFIER FEET The feet on the KSA can be used in several different machined Delrin and are supplied The rubber bottoms can be screwed into the feet for protection surfaces such as hardwood floors recommend using the feet accept the KRELL AMDs (Acoustic spiked foot that threads amplifier’s sonic performance in most installations... - Page 8 KRELL Industries PAGE 8 will all turn and synchronized only ON/OFF and have meter If you change an individual remains intact.
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Page 9: Input And Output Connections
INPUT AND OUTPUT CONNECTIONS CAUTION: When making connections sure the power amplifier STAND-BY mode. The wiring to and from the amplifier, be arranged in a neat, separated from audio wires. noise from being induced into the system. 1. Connect the speaker cables to the amplifier’s The KSA utilizes two custom sets of parallel right... - Page 10 Only one of these inputs should be connected to use the single-ended Should you have any questions contact your dealer or KRELL Industries. PAGE 10 with and balanced located on the back of the (Refer to the Basic...
- Page 11 CONNECTIONS LOUDSPEAKERS KSA AMPLIFIER PAGE 11...
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Page 12: Amplifier Operation
OPERATION AMPLIFIER OPERATION Understanding the ’operation is an understanding of the care that should be exercised when operating system as a whole, in relation Simple mistakes, such as switching the preamplifier output, large transients at low frequencies. generate enough power to damage most loudspeakers. sources should be done with the preamplifier attenuated. - Page 13 DESCRIPTION OF TURN-ON SEQUENCE When turning on the system, the amplifier The KSA On/Off switch is part of a multi-level through several steps of protection. are not connected to the speakers. determined that the unit has completely stabilized, engage. You will hear a click at this point. The LED’s in the bias meter will start at the highest bias level upon turn-on and slowly work their to no-bias.
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Page 14: System Noise
OPERATION SYSTEM NOISE CONSIDERATIONS AC grounding often becomes critical audio gear. When mixing and matching audio components, own ground potentials, both speakers. This can often occur when introducing the system. If there is a low frequency hum coming from the speakers connected into the system, follow these simple trouble-shooting 1. -
Page 15: Bias Level Meter
BIAS LEVEL METER The KSA amplifiers utilize design. The Bias display meter on the front panel of the amplifier which level of bias the amplifier Sustained Plateau Bias only changes level relative to input and source material section called an Anticipator circuit. the Anticipator circuit, before the signal is passed through the output stage. -
Page 16: Front Panel Meter Button
OPERATION FRONT PANEL METER BUTTON A small button beneath the Power button on the front Meter display illumination. indicate bias levels; only the Blue pilot LED will be visible. meter can also be turned on or off via the remote control. When engaged, the meter display will no longer PAGE 16 panel controls... -
Page 17: Remote Control Functions
REMOTE CONTROL FUNCTIONS The KSA-100S/200S/300S utilize remote control functions. the meter function can be changed from your listening held remote control. The KSA remote control ers. The Power button will turn the amplifier button will choose between a full illumination. - Page 18 OPERATION PROTECTION CIRCUITRY There are no fuses in the KSA. The amplifier is protected by a series of non- intrusive, opto-coupled operation. Appropriate circuit, oscillation, AC power anomalies, high ground resistance phase ground. Collectively, damage to the amplifier faulty wiring, mishandling protection circuit is engaged, the amplifier will shut off and short its output.
- Page 19 Should the amplifier turn off when either problem is cable or speaker mechanical connections or wires shorting the output terminals checked and repaired if necessary by your dealer before proceeding. 3. If the amplifier turns on normally with only the speaker cables connected to the output, turn the amplifier for one channel only.
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Page 20: Questions And Answers
QUESTIONS AND ANSWER Q. Should I leave the KSA on at all times? A. Because of Sustained Plateau without fear of damage, excessive KSA amplifier however, without degradation. The amplifier minutes of turn-on. Q. When I push the power button on the front doesn’t turn on. - Page 21 Q. My speakers axe only rated going to be too much power for them? A. Seldom do you break a speaker by over powering it. amplifiers will clip driving a loud speaker during heavy demand situations and consequentially speakers, but a responsible system and exercise caution.
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Page 22: Specifications
SPECIFICATIONS AMPLIFIER THD (1KHz/20KHz) GAIN SIGNAL TO NOISE INPUT SENSITIVITY INPUT IMPEDANCE OUTPUT VOLTAGE (PEAK TO PEAK/RMS) OUTPUT POWER 8 gl (ohms) DIMENSIONS LENGTH WIDTH HEIGHT SHIPPING WEIGHT KSA- 100S KSA-200S 0.1%/0.5% 0.1%/0.3% 26.0dB 25.5dB 100dB 108dB 1.4VRMS 2.1VRMS 8O.0/28.3 113/40.0 200W 100W... -
Page 23: Warranty And Service
THERE ARE NO USER-SERVICEABLE PARTS INSIDE THE KSA-100S/200S/300S. The KSA-100S/200S/300S has a limited and labor. The warranty period begins on the date of retail sales slip provided by an authorized registration card sent to KRELL. In the event adequate proof of purchase date is unavailable,... - Page 24 KRELL 45 Connair Road Orange, CT 06477 SALES (203) 799-9954 FAX (203) 799-9796 © 1994 KRELL INDUSTRIES (KSA9406)