Krell showcase amplifier brochure
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Page 1
Processor Showcase Processor The Showcase is Krells fifth generation surround sound preamp/processor, delivering the benefits of almost a decade of experience in the develop- ment of reference-quality High End Audio Theater (HEAT™) systems. With the latest in surround sound technologies, a proprietary digital room equalizer, and an exceptional preampli- fier section, the Showcase processor extends the KAV Series tradition of Krell engineering and affordability to a new generation. State-of-the-art digital chipsets, operating with upsampled 24-bit precision, control all of the digital signal processing in the Showcase processor. THX- Ultra certified, the processor incorporates advanced technologies, including Dolby Pro Logic II, Dolby Digital EX, THX Surround EX, DTS NEO: 6, and DTS- ES 6.1. Krell software provides digitally controlled bass management with user-selectable crossover points, optimizing the systems speaker/subwoofer interface. Following all digital signal processing , the information is decoded by 24-bit/192 kHz DACs in all 7.1 channels to deliver the most accurate analog signal possible to the preamplifier stage. The Showcase processor uses Krell advanced analog circuitry in the critical preamplifier section. The fully balanced design delivers the extremely wide band- width required for accurate reproduction of the cur- rent generation of movie soundtracks and high-reso- lution audio formats. The analog Preamp mode bypasses all digital circuits, providing the most direct signal path for multichannel and stereo recordings. A unique software-based seven-channel digital room equalizer maximizes system performance in any room. For each of four memory settings, the user can program filter type (high-pass, low-pass, notch, peaking , and high/low shelf), frequency, shape, and level for all seven channels. This makes it possible to program, for exam- ple, independent settings for stereo music, multichannel music, movie surround, or even video game software. Krells digital room equalizer can transform your family entertainment room into a breathtaking home theater… without hiring an architect. The Showcase processor employs fully discrete video circuitry. With bandwidth greater than 80 MHz, it ensures the integrity of all progressive and High Definition component signals, while still providing the convenience of on-screen display for all video signals. Advanced operating features include a host of remote user interfaces, FLASH memory for future software upgrades, and an intuitive menu-based Smart System Setup. From ease of initial setup to dramatic performances in your home, the Krell Showcase sets a new benchmark for high performance and value in a preamp/processor. ShCsBro052102Final.gist 6/13/02 1:07 PM Page 2
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Amplifier ShowcaseMultichannel Amplifier Simply elegant, the refined brushed aluminum Krellcoat™ finish only hints at the exhilarating performance that lurks beneath the exterior of the Krell Showcase Multichannel Amplifier. Every aspect, from sonic performance and power delivery to style and upgradability, functions in seamless harmony. Available in 5-, 6-, and 7- channel configurations, the Showcase amplifiers are solidly based on the same legendary Krell technolo- gies found in any of its top-of-the-line-siblings. The foundation of any amplifier is the power supply. A massive 1,500 Wtoroidal transformer and 80,000 microfarads of filter capac- itance provide a rock solid power platform impervious to speaker demand or AC line fluctuations. The modular platform provides an upgrade path for the Showcase 5 and Showcase 6 amplifiers, enabling additional channels to be installed at any time. The base platform includes input and speaker connections for seven channels, making upgrades a simple matter when desired. Featuring technology developed for the Full Power Balanced amplifiers, the Showcase design employs Krell Current Mode™ circuitry. Its fully balanced topology ensures the lowest noise and greatest detail retrieval. Class A input, pre-driver, and driver stages provide the most accurate signal path for critical low level signals. To deliver the most electrifying experience with today s demanding multichannel music and movie soundtracks, an amplifier must be able to generate substantial power into 8 ohms… and then double that output when a speakers impedance is halved to 4 ohms. The Showcase amplifier module uses eight high-speed power devices to deliver 125 W into 8 ohms and 250 W into 4 ohms. Previously implemented only in reference-level Krell compo- nents, surface mount technology makes possible the high circuit density required for the widest possible dynamic range and bandwidth. Easy Upgrades: Amplifier modules for the sixth and seventh channels can be added at any time. ShCsBro052102Final.gist 6/13/02 1:07 PM Page 3