Krell K-300I
DESCRIPTION
Integrated stereo amp featuring a 150‐watt‐per channel amplifier and preamplifier utilizing Krell’s iBiasTM technology
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.
PRODUCT DETAILS
Technical Specifications
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
Physical Specifications
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
Dimensions- 438 mm W x 105 mm H x 457 mm D
Weight-
Unit only: 52 lb [23.6 kg]
As shipped: 60 lb [27.3 kg]
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