BASIC INSTALLATION

1.Place the unit on a firm level surface free from excessive dirt or moisture.

The KRC-HRis not particularly hum sensitive, allowing other components to

be placed on or around it. If the optional phono card is installed in the

KRC-HR, some components such as Digital to Analog converters, power supplies or components with motors can induce hum into the phono stage.

2.Place the power supply in a location away from hum sensitive components

such as turntables or phonostages. Connect the male

end

of the

DC power

cable into the computer-type connector on the back

of

the

supply.

DO NOT

PLUG THE POWER SUPPLY INTO THE AC OUTLET AT

THIS TIME.

 

3.Connect the female end of the DC power cable to the computer-type connector on the back of the KRC-HR.

CAUTION: ALWAYS CONNECT THE DC CABLE TO THE BACK OF THE KRC-HR AND TO THE POWER SUPPLY BEFORE YOU PLUG THE POWER

SUPPLY INTO THE WALL OUTLET. FAILURE TO FOLLOW THE

CONNECTION SEQUENCE WILL CAUSE DAMAGE TO THE KRC-HR.

4. Plug the AC cord into the receptacle on the back of the power supply. Plug the remaining end into the wall ACreceptacle.

NOTE: While the KRC-HR has superb regulation and does not require a

dedicated AC circuit, we strongly advise against any connections through

extension cords or multiple AC adaptors. High quality 15 amp line conditioners or grounded AC strips are acceptable.

5. When the KRC-HR power supply is plugged into the wall AC outlet the preamplifier will go through its power-up sequence:

a. The volume control will automatically rotate to the Off position, fully counterclockwise.

b. The Select section LEDs on the KRC-HRwill remain unlit until an input or function is selected.

c. The Protection relays will open once the monitoring circuits have

determined there are no input or output disturbances. See the PROTECTION CIRCUITRYsection of this manual for more information.

6. The power-up sequence lasts about 15 seconds. Once completed, the KRC-HRcan be operated from the front panel or the remote control.

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Krell Industries KRC-HR manual Basic Installation, Plug the Power Supply Into the AC Outlet AT This Time
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KRC-HR specifications

Krell Industries, a renowned name in high-end audio, has made significant contributions to the advancement of audio technology with their KRC-HR preamplifier. The KRC-HR is a stunning combination of innovative engineering, astute design, and exceptional sound performance, which makes it a coveted piece for audiophiles.

One of the main features of the KRC-HR is its fully balanced differential circuit design. This configuration helps in minimizing noise and crosstalk, which are common issues in traditional audio setups. By employing a dual differential topology, Krell can achieve a remarkable reduction in distortion while maintaining a high signal-to-noise ratio. As a result, it delivers a pristine audio experience that reveals every nuance of a recording.

The KRC-HR is outfitted with advanced technologies that elevate its performance. Krell's proprietary CAST (Current Mode Amplification) technology is utilized in this preamplifier, allowing for superior dynamic range and improved transient response. This technology facilitates seamless signal transfer and ensures that dynamics remain intact, whether playing soft passages or powerful crescendos. Furthermore, the KRC-HR is equipped with a sophisticated power supply that supports its demanding operational requirements, ensuring a stable and clean power source for optimal performance.

Another key characteristic of the KRC-HR is its versatile input options. The preamplifier includes multiple line-level inputs, allowing users to connect various sources while maintaining ultimate sound integrity. Additionally, it features inputs for both balanced and unbalanced connections, providing flexibility based on the user's existing audio equipment.

The physical design of the KRC-HR is as impressive as its technical specifications. The chassis is meticulously crafted to minimize resonance and vibration, which can adversely affect sound quality. The sleek, modern aesthetics reflect Krell's commitment to excellence and design innovation, making it a visually striking centerpiece in any audio setup.

In summary, the Krell Industries KRC-HR preamplifier stands as a testament to the company's dedication to delivering unparalleled audio performance. With its fully balanced differential circuit, CAST technology, versatile inputs, and robust build quality, the KRC-HR enables audiophiles to experience their music in the most authentic and immersive manner possible. For those seeking an exceptional audio experience, the KRC-HR is an outstanding choice that harmonizes cutting-edge technology with exquisite sound quality.
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