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Krell Duo 300 XD Stereo Amplifier
Krell Duo 300 XD Stereo Amplifier: Powerhouse Amplification with Unmatched Detail
The Krell Duo 300 XD is a flagship model in the Duo XD series, delivering 300 watts per channel into 8 ohms (540 watts into 4 ohms). Designed for large, demanding systems, the Duo 300 XD employs Krell’s advanced XD Technology for superior speaker control, delivering impactful bass, detailed mids, and clear highs. With iBias™ Technology, this amplifier operates efficiently in Class A for most listening levels, combining raw power with refined, natural sound.
Key Features
- Power Output: 300 watts per channel into 8 ohms; 540 watts per channel into 4 ohms
- XD Technology: Lowers output impedance, providing high control and enhancing soundstage detail
- iBias™ Technology: Operates efficiently in Class A, ensuring detailed, distortion-free sound
- Comprehensive Connectivity: Balanced XLR and single-ended RCA inputs support versatile system configurations
With its impressive power and precision, the Krell Duo 300 XD is an exceptional choice for audiophiles who demand high-impact, immersive sound from their audio systems.
SPECIFICATIONS
- Power Output: 300 watts RMS per channel at 8 ohms, 540 watts RMS per channel at 4 ohms
- Frequency Response: 20 Hz to 20 kHz +0, -0.13 dB; 0.5 Hz to 100 kHz +0, -3 dB
- Total Harmonic Distortion: <0.045% at 1 kHz, at 400 W, 8 ohms; <0.17% at 20 kHz, at 400 W, 8 ohms
- Signal-to-Noise Ratio: >98 dB, wideband, unweighted; >116 dB, “A”-weighted
- Gain: 26.2 dB
- Input Sensitivity: 2.4 V RMS
- Input Impedance: Single-ended: 100 kΩ; Balanced: 200 kΩ
- Output Voltage: 138 V peak-to-peak; 49 V RMS
- Output Current: 16 A peak
- Slew Rate: 40 V/μs
- Output Impedance: <0.007Ω, 20 Hz to 20 kHz
- Damping Factor: >1140, 20 Hz to 20 kHz, referred to 8 ohms
- Power Consumption: Standby: 4 W; Idle: 180 W; Maximum: 1600 W
- Heat Output: Standby: 13.7 BTU/hr; Idle: 615 BTU/hr; Maximum: 5677 BTU/hr
- Inputs: 2 single-ended via RCA connectors; 2 balanced via XLR connectors
- Outputs: 2 pairs of binding posts
- Dimensions (H x W x D): 17.1 in. W x 7.65 in. H x 21.10 in. D (434 mm W x 194 mm H x 536 mm D)
- Weight: 80 lbs (36.4 kg) shipping; 70 lbs (31.8 kg) unit only
Brand
Krell
Krell Industries: Pioneering High-Performance Audio
Since its founding in 1980, Krell Industries has been a leader in high-end audio engineering, renowned for its innovative designs and exceptional sound quality. Specializing in amplifiers, preamplifiers, and digital-to-analog converters, Krell's products are celebrated for their robust construction and precise audio reproduction. By integrating cutting-edge technology with meticulous craftsmanship, Krell continues to set benchmarks in the audiophile community, delivering immersive and authentic listening experiences 
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