KRELL: K-300i

KRELL K-300i INTEGRATED STEREO AMPLIFIER | KRELL

CLASS A AMPLIFICATION
MASSIVE 150 WATTS OF POWER PER CHANNEL
iBIAS & XD TECHNOLOGY
COMPATIBLE WITH NETWORKING STREAMING APPS INCLUDING SPOTIFY, TIDAL

$12,995.00

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Description

The K-300i amplifier incorporates a newly developed amp circuit design with Krell iBias™ technology. It  delivers 150 Watts/Channel into 8Ω and 300 Watts/Channel into 4Ω. iBias provides the sonic benefits of Class A operation without the excessive heat and power consumption of traditional Class A design.

Packed with Krell’s latest technological advances, the K-300i achieves an extraordinary level of musicality. It’s elegant design is living room-friendly, while delivering more than enough power to achieve incredibly lifelike dynamics with any speaker.

The overall result is an extremely linear and extended frequency response curve with smooth, effortless highs and extremely dynamic bass energy.

With the digital option installed the K-300i becomes a world class DAC with the connectivity and features to support the latest digital music formats. An ESS Sabre Pro DAC configured for high current output performs the digital to analog signal conversion for uncompromised reproduction of digital music.

771VA transformer with 80,000μF of capacitance forms a potent power supply for excellent signal control and dynamics. Krell Current Mode topology is employed with fully differential circuitry that runs from the input stage through to the last output gain stage providing an extremely linear and extended frequency response curve with smooth, effortless highs and extremely dynamic bass energy.

The front-panel menu system provides configuration features such as input trim. Theater Throughput mode lets the K-300i serve as the core of a surround-sound system without sacrificing two-channel sound quality. Analog Inputs include three stereo RCA and two stereo balanced XLR. High-quality gold-plated speaker cable terminals provide a secure, electrically ideal connection.

The K-300i also offers features that make it perfect for custom installation, such as RS-232 and Ethernet ports for control and status feedback, 3.5mm jacks for IR input, and 12-volt trigger input and output. Additionally, the unit has an internal web server that is optimized for tablets and provides a remote graphical user interface for convenient and intuitive control accessed through its Ethernet connection.

A network streaming audio renderer with dedicated mobile App plays AAC, ALAC, AIFF, FLAC, WAV, WMA, and DoP files up to 192kHz/24-bit from UPnP music servers or NAS devices. The digital option with the mconnect Control app (available in iOS and Android versions) also provides Spotify*, vTuner Internet radio, Tidal*, Deezer*, and QoBuz* streaming services, is Roon Ready* and decodes MQA.

The K-300i includes MQA (Master Quality Authenticated) technology. MQA is an award-winning British technology that delivers the sound of the original master recording. The master MQA file is fully authenticated and is small enough to stream or download. Visit mqa.co.uk for more information.

HDMI 2.0 inputs and output supporting 4K UHD with HDR are available for TV viewing with audiophile grade sound quality. A single USB host port is available on the front panel to play music from USB flash memory sticks and a USB device port is positioned on the rear panel for streaming music directly from a computer. The digital option also includes a Bluetooth receiver featuring Qualcomm® aptX™ audio technology for the best sound quality when connected to aptX enabled Bluetooth devices.

*A subscription is required for these services. Updating the digital module software may also be necessary depending on the vintage of the unit (see the download area at the bottom of the page).

**Krell highly recommends that users of the mconnect Control app update to the latest version of the app (v2.4.1 or higher for Apple devices and v2.3.7 or higher for Android devices). This fixes a potential issue where getting a phone call while using the phone to play music to the Digital Vanguard or Vanguard DAC could result in a large increase in volume level.  Keeping the mconnect Control app up-to-date also ensures access to any new features and performance improvements.

Qualcomm aptX is a product of Qualcomm Technologies International, Ltd.
Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries, used with permission.  aptX is a trademark of Qualcomm Technologies International, Ltd., registered in the United States and other countries, used with permission.
The Spotify Software is subject to third party licenses found here:
https://developer.spotify.com/esdk-third-party-licenses/
MQA and the Sound Wave Device are registered trademarks of MQA Limited. © 2016

You can buy Krell K300i amplifiers and other Krell sound equipment online or in store from us. Includes free delivery Australia wide.

Brand

KRELL

KRELL AMPLIFIERS

Krell Industries is the premier manufacturer of high performance audio equipment, award winning amplifiers, preamplifiers, surround sound processors, and digital-to-analog converters for music lovers and home theater aficionados.

The world’s most discriminating audiophiles and product reviewers have consistently recognized Krell components for setting new performance benchmarks. The sheer breadth of Krell amplifiers’ dynamic range conveys a startling realism—each iteration transcending the previous. Seemingly unlimited frequency response combined with unerring accuracy and fortitude, continue a tradition that began with Krell’s legendary KSA-100—the first high power, high-current, true Class A biased stereo power amplifier available to audiophiles.

The Krell legacy proudly continues to evolve, resulting in products delivering innovative engineering, build quality perfection and outstanding audio performance.

If you would like to buy Krell amplifiers of other Krell sound equipment, you can order online or visit one of our stores today.

K300i

SPECIFICATIONS 
Analog Inputs2 pr. balanced via XLR connectors
3 pr. single-ended via RCA connectors
Digital Inputs1 EIAJ Toslink Optical
1 S/PDIF Coax
2 HDMI (HDMI 2.0a, HDCP 2.2) + 1 HDMI Output
1 USB-A (USB 2.0 host)
1 USB-B (USB 2.0 audio device)
1 Bluetooth with aptX
Outputs1 pr. preamp outputs via RCA connectors
1 pr. speaker outputs via gold-plated binding posts
Control Inputs1 RS-232 input via 9-pin D-subminiature connector
1 remote IR detector input via 3-conductor 3.5 mm connector
1 12 VDC trigger input via 2-conductor 3.5 mm connector
Control output1 12 VDC trigger output (60 mA maximum current) via 2-conductor 3.5 mm connector
Input impedanceBalanced: 16 kΩ
Single-ended: 8 kΩ
Frequency response20 Hz to 20 kHz +0, -0.22 dB
<10Hz to 100kHz +0, -0.57 dB
Signal-to-noise ratio>104 dB, wideband, unweighted, at 2V RMS in balanced, referred to full power output
>117 dB, “A”-weighted
Gain25 dB, referenced to 2V RMS in balanced and full power output
Input Overload10.4 V RMS Balanced
6.8 V RMS Single-ended
Total harmonic distortion<0.015%, 1 kHz, 150 W, 8 Ω load
<0.08%, 20 kHz, 150 W, 8 Ω load
Output power150 W RMS per channel at 8 Ω
300 W RMS per channel at 4 Ω
Output voltage98 V peak to peak
34.6 V RMS
Slew rate46 V/µs
Output impedance<0.023 Ω, 20 Hz
<0.035 Ω, 20 Hz to 20 kHz
Damping factor>347, 20 Hz, referred to 8 Ω
>228, 20 Hz to 20 kHz, referred to 8 Ω
Power consumptionStandby: 11 W
Idle: 46 W
Maximum: 900 W
Heat outputStandby: 37 BTU/hr
Idle: 156 BTU/hr
Maximum: 3060 BTU/hr
Dimensions17.25 in W x 4.12 in H x 18.00 in D
438 mm W x 105 mm H x 457 mm D
WeightUnit only: 52 lb [23.6 kg]
As shipped: 60 lb [27.3 kg]
Digital Module SpecsCoaxial and HDMI inputs support PCM up to 24-bit/192kHz.
Optical input up to 24-bit/96kHz

HDMI inputs support DSD and 4K video content.
HDMI output supports Audio Return Channel (ARC)

USB and Network streaming support MP3, AAC, WMA, WAV(PCM), FLAC, ALAC up to 192kHz
Bluetooth streaming supports A2DP, AVRCP, HFP, HSP

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