Krell Duo 300 XD
DESCRIPTION
300 watt stereo power amplifier
Krell iBias Class A amplifiers are the first to deliver the rich musicality of Class A amplifiers, the uncompromised dynamics of classic Krell amplifiers, with much greater efficiency than traditional Class A amplifiers.
PRODUCT DETAILS
Technical Specifications
Frequency response-
20 Hz to 20 kHz +0, -0.13 dB
0.5 Hz to 100 kHz +0, -3 dB
Signal-to-noise ratio-
>98 dB, wideband, unweighted, referred to full power output
>116 dB, “A”-weighted
Gain- 26.2 dB
Total harmonic distortion-
<0.045% at 1 kHz, at 400 W, 8 Ω
<0.17% at 20 kHz, at 400 W, 8 Ω
Input Impedance-
Single-ended: 100 kΩ
Balanced: 200 kΩ
Input sensitivity- Single-ended or balanced: 2.4 V RMS
Output power-
300 W RMS at 8 Ω
540 W RMS at 4 Ω
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 Ω
Physical Specifications
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 connector
2 balanced via XLR connector
Outputs- 2 pairs binding posts
Dimensions- 434 mm W x 194 mm H x 536mm D
Weight-
80 lbs., 3.64 kg (shipping)
70 lbs., 31.8 kg (unit only)
