Questions and Answer

Q. Should I leave the KSAon at all times?

A. Because of Sustained Plateau Bias, the KSAcan be left on at all times without fear of damage, excessive heat or excessive power consumption. The

KSA amplifier however, is designed to be turned On/Off, and can do so

without degradation. The amplifier will work at full performance within minutes of turn-on.

Q. When I push the power button on the front of the KSA, the amplifier doesn't turn on. What should I do?

A. Check the input and output connections, then retry the amplifier. Check the circuit breaker on the back of the unit and reset it if necessary. Consult the protection circuitry section of this manual for more detailed trouble- shooting procedures.

Q. WhenI turn the amplifier on there is a loud hum through the speakers. There wasnever a hum before the KSAwas in the system. What should I do?

A. Often when a new component is introduced into an audio system a hum may become present. This is often caused by a ground loop in the system or by defective cabling. Check your cables to and from the amplifier. If the hum

persists, contact your dealer or the KRELLstaff for assistance.

Q. Can I use special audio power cords on the KSA?

A. You can experiment with special power cords as long as they are grounded on both ends, meet the amplifier's 20 amp power requirement, and are safety approved by organizations like CSAor UL. The use of them, however, is not recommended without first consulting your dealer or the KRELLfactory.

Q. Myspeakers only have one set of binding posts. Which set of binding posts should I use on the amplifier?

A. The two binding posts for each channel on the KSAare the same point

electrically. You can use either the top set of posts or the bottom set. They sound and work the same.

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KSA-100S, KSA-300S, KSA-200S specifications

Krell Industries is renowned for its high-end audio equipment, particularly in the realm of amplification. The KSA series, which includes the KSA-300S, KSA-100S, and KSA-200S, showcases the brand's commitment to delivering superb sound quality, advanced technology, and exceptional build quality. Each model in this series brings its unique features and characteristics, appealing to audiophiles and music enthusiasts alike.

The KSA-300S stands out as a powerhouse amplifier, capable of delivering an impressive 300 watts per channel into 8 ohms. It utilizes Krell's proprietary Class A-AB design, which combines the efficiency of Class AB with the sonic purity of Class A. This model incorporates advanced thermal management systems, ensuring stability during extended listening sessions. The KSA-300S also features dual-mono construction, allowing for superior channel separation and minimizing crosstalk, resulting in an expansive soundstage with precise imaging.

Next, the KSA-200S offers a blend of power and finesse with its 200-watt output per channel, making it a versatile choice for various speaker types and room sizes. Like its larger counterpart, the KSA-200S employs a Class A-AB design, but its lighter footprint allows for easier placement in audio systems. The build quality is impeccable, featuring a robust chassis that minimizes vibration and enhances sound clarity. Additionally, it includes Krell’s advanced input stage, ensuring minimal signal degradation and optimal performance.

Lastly, the KSA-100S, with its 100-watt per channel output, is ideal for those who appreciate high-performance audio in a more compact package. Despite its smaller size, it retains many of the high-end features found in the larger models. The KSA-100S delivers exceptional dynamic range and musicality, making it perfect for smaller listening environments. It also employs Krell's unique cooling design, which allows the amplifier to maintain optimal performance without overheating.

In conclusion, Krell Industries' KSA series amplifiers represent the pinnacle of audio engineering. With their Class A-AB designs, advanced thermal management, and robust build quality, the KSA-300S, KSA-200S, and KSA-100S offer options for various listening environments and preferences. Whether you're seeking a powerful amplifier for large speakers or a compact solution for intimate audio spaces, the KSA series provides unparalleled performance and sonic excellence.