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KRELL K-300i Integrated Stereo Amplifier
Packed with the latest technological advances, for extraordinary musicality.
The K-300i incorporates a newly developed amplifier circuit design with Krell iBias™ technology, delivering 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. Theatre 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 optimised 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.
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.
Krell K-300i Integrated Stereo Amplifier is available in two versions: in the standard Analog style or digital style with the optional digital streaming module for connecting to digital streaming sources.
Analog Inputs
2 pr. balanced via XLR connectors
3 pr. single-ended via RCA connectors
Digital Inputs
1 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
Outputs
1 pr. preamp outputs via RCA connectors
1 pr. speaker outputs via gold-plated binding posts
Control Inputs
1 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 output
1 12 VDC trigger output (60 mA maximum current) via 2-conductor 3.5 mm connector
Input impedance
Balanced: 16 kΩ
Single-ended: 8 kΩ
Frequency response
20 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
Gain
25 dB, referenced to 2V RMS in balanced and full power output
Input Overload
10.4 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 power
150 W RMS per channel at 8 Ω
300 W RMS per channel at 4 Ω
Output voltage
98 V peak to peak
34.6 V RMS
Slew rate
46 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 consumption
Standby: 11 W
Idle: 46 W
Maximum: 900 W
Heat output
Standby: 37 BTU/hr
Idle: 156 BTU/hr
Maximum: 3060 BTU/hr
Digital Module Specs
Coaxial 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
Dimensions (W x H x D)
438 x 105 x 457 mm
Weight (Net)
23.6 kg
Warranty
5 Years for Parts and Labour
*This information has been obtained from Manufacturers website. We advise that Price, Features & Specifications are subject change without notice.
E&OE
753-755 Nicholson Street
Carlton North VIC 3054
Australia
0394195070
check_circle Pickup available, usually ready in 2-4 days
