Krell Duo 175 XD Stereo Amplifier Technical Specifications

175 Watt Amplifier Featuring Krell iBias™ Technology

Krell_Duo_300_XD_Stereo_Amplifier_Rear

Frequency response
20 Hz to 20 kHz +0, -0.08 dB
0.5 Hz to 100 kHz +0, -3 dB

Signal-to-noise ratio
>95 dB, wideband, unweighted, referred to full power output
>115 dB, “A”-weighted

Gain
26.2 dB

Total harmonic distortion
<0.03% at 1 kHz, at 175 W, 8 Ω
<0.13% at 20 kHz, at 175 W, 8 Ω

Input Impedance
Single-ended: 100 kΩ
Balanced: 200 kΩ

Input sensitivity
Single-ended or balanced: 1.84 V RMS

Output power
175 W RMS at 8 Ω
350 W RMS at 4 Ω

Output voltage
106 V peak-to-peak
37 V RMS

Output current
13 A peak

Slew rate
40 V/μs

Output impedance
<0.015Ω, 20 Hz to 20 kHz

Damping factor
>530, 20 Hz to 20 kHz, referred to 8 Ω
Krell Duo 175 XD Stereo Amplifier
Power consumption
Standby: 1 W
Idle: 73 W
Maximum: 1500 W

Heat output
Standby: 3.42 BTU/hr.
Idle: 250 BTU/hr.
Maximum: 5137 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
70 lbs., 31.8 kg (shipping)
60 lbs., 27.3 kg (unit only)