Krell Industries KBL, KPA owner manual

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2. Connector Details

This section, with sections 3 & 4 below, presents all details necessary to make or modify cables for use with all combinations of the KBLand KPA. After reading these sections, check all the cables you intend to use to make

sure they are appropriate for your installation.

a..Gener~:[ .. Information

Different configurations of the KBLand KPArequire different cable terminations. The connector assignments for the KBLand KPAinputs

and outputs are given.

b. KBLConnector Assignments: B-l,B-l: female 3-pin XLR S-l, S-2, S-3, S-4: female RCA Record Outputs : 2 sets, female RCA Main Outputs: 1 set on female RCA

1 set on 3-pin male XLR

c. KPA(~)nnector Assi~arnment: All are female RCA

3. Connector Termination _T~es

For all terminations: Makesure wire color and pin numbers match at both ends of the cable.

a. Standard RCATermination; uses either coax cable or two-conductor coaxial cable:

Center pin = audio signal

Outer ring = ground: when using two-conductor coax cable one center conductor is connected to the outer ring at both ends; the shield is connected to the outer ring at only one end. This end should be marked and used at the input end of the cable. For example, this end would go, to the amplifier whenthe cable is run from preamp to amp.

Used for all RCAinputs and outputs on the KPAand the KBLwhen operated with single-ended components.

Dta.ndar.d XL.I~ T¢rmination: uses two-conductor coa~al qable: Pin 1 = ground

Pin 2 = non-inverted signal (also called 0 or + signal) Pin 3 = inverted signal (also called 180 or - signal)

Used on inputs B-l, B-2 and Main Output of the KBLwhen used in either stereo or dual-re, no.

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Contents Page Introduction General Information Serial Numbers & FACTORY-SHIPPED ConfigurationPage Unpacking IN/~TALLATION Page Page RCA Page Page Page Page Operation Page Page 11/9016 Balanced RCAo RCA cable wiring diagram Balanced RCALo XLR cable wiring diagram Balanced KPAcable wiring diagram

KBL, KPA specifications

Krell Industries, a name synonymous with high-fidelity audio, has made significant strides in the high-end audio equipment market with its KPA and KBL models. These amplifiers epitomize Krell's commitment to exceptional sound quality, advanced technologies, and innovative design, catering to audiophiles who seek unparalleled listening experiences.

The Krell KPA, a cutting-edge power amplifier, showcases Krell’s renowned high-performance design. One of its standout features is the use of an ultra-linear, class-A amplification topology. This design principle not only enhances audio fidelity but also ensures lower distortion levels, allowing music to be reproduced with incredible detail and clarity. The KPA is also engineered to deliver substantial power output, with sufficient reserves to drive even the most demanding speaker loads, making it an ideal choice for dynamic music genres.

Another noteworthy aspect of the KPA is its sophisticated thermal management system. The use of oversized heatsinks and intelligent fan control keeps the amplifier cool during extended listening sessions, thereby preserving performance and longevity. The KPA also includes advanced connectivity options, including RCA and XLR inputs, which cater to a variety of system configurations, ensuring versatility in integration with other high-end audio components.

Conversely, the Krell KBL, a preamplifier model, is designed to complement the power capabilities of the KPA. The KBL's main features include a fully balanced design and multiple gain stages that contribute to its exceptional signal-to-noise ratio. This ensures that the audio signal remains pristine, free from interference and distortion, resulting in a true-to-life reproduction of recordings. The preamplifier also offers an impressive array of inputs, including analog and digital options, allowing users flexibility in their source selection.

Both the KPA and KBL incorporate Krell's proprietary technologies, such as the Cast™ technology, which facilitates a three-dimensional soundstage and unrivaled musical character. This technology seamlessly enhances the relationship between components, creating a cohesive sound that many audiophiles strive for. Furthermore, the build quality of both models is exceptional, with premium materials and craftsmanship that reflect Krell's dedication to performance and aesthetics.

In summary, Krell Industries' KPA and KBL models combine innovative technologies, remarkable power, and unmatched audio quality, making them ideal choices for serious music lovers. Their features, performance, and elegant design showcase Krell's unwavering commitment to the pursuit of audio excellence, setting new standards in the high-end audio luxury market.