Krell DUO 300 XD

Krell Duo 300 Xd stereo power amplifier with original factory box and packing. UNit is less than one year old and it works and looks just like new. It was used in a dedicated home theater and the room was temperature controlled and kid and pet free. 2 Channel Power Amplifier
300 Watt Amplifier Featuring Krell iBias Technology

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

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
17.1 in. W x 7.65 in. H x 21.10in. D
434 mm W x 194 mm H x 536mm D

Weight
80 lbs., 3.64 kg (shipping)
70 lbs., 31.8 kg (unit only)