PS Audio Stellar Strata, Owner'S Reference Manual

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Stellar Strata Amplifier
Specifications
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28
Headphone Output
Gain (relative to line output) 16.5dB
Output Power 300Ω, 1KHz, 1% 300mW
16Ω, 1KHz, 1% 3.25W
Frequency Response +/-1dB 7Hz – 40KHz
THD 1KHz, 1 VRMS 300Ω <0.02%
16Ω <0.02%
S/N Ratio 1KHz >110dB (max output)
Output Noise <-90dBV
Headphone Impedance 8Ω minimum
Output Impedance <4 Ω
Power
Input Voltage US 108—132VAC (120VAC nominal)
EX/GR/UK/AU 207—253VAC (230VAC nominal)
JP 90—110VAC (100VAC nominal)
Power Consumption Idle 20W
Typical 50W
Maximum 600W