Oppo HA-1, User Manual

Page: 29 / 32

25
DAC Performance Specifications
Specification XLR Output RCA Output
Output Level 4.6 ± 0.3 Vrms 2.3 ± 0.3 Vrms
Frequency Response
(Tested with -10 dBFS / 384 kHz) 10 Hz – 170 kHz (+0/-3 dB)
20 Hz – 20 kHz (+0/-0.07 dB) 10 Hz – 170 kHz (+0/-3 dB)
20 Hz – 20 kHz (+0/-0.07 dB)
THD+N at 1 kHz (A Weight, 20 Hz – 20 kHz) < 0.00056% (< -105 dB) < 0.00056% (< -105 dB)
Channel Separation > 105 dB > 105 dB
Signal-to-Noise Ratio
(A Weight, 20 Hz – 20 kHz)
> 115 dB > 113 dB
Dynamic Range
(1 kHz -60 dBFS, A Weight, 20 Hz – 20 kHz)
> 115 dB > 113 dB
(Test condition: USB DAC input in Home Theater Bypass mode and the volume knob at Max position.)
Pre-amplifier Performance Specifications
Specification XLR Input – XLR Output RCA Input – RCA Output
Rated Output Level 4.6 Vrms 2.3 Vrms
Frequency Response
10 Hz – 200 kHz (+0/-2 dB)
20 Hz – 20 kHz (+0/-0.04 dB) 10 Hz – 200 kHz (+0/-2 dB)
20 Hz – 20 kHz (+0/-0.04 dB)
THD+N at 1 kHz (A Weight, 20 Hz – 20 kHz) < 0.00056% (< -105 dB) < 0.00071% (< -103 dB)
Channel Separation > 120 dB > 110 dB
Signal-to-Noise Ratio
(A Weight, 20 Hz – 20 kHz)
> 110 dB > 105 dB
Dynamic Range
(1 kHz -60 dB, A Weight, 20 Hz – 20 kHz)
> 120 dB > 115 dB
Maximum Gain (100 mVrms input) 6 dB 6 dB
(Test condition: Volume knob at Max position and an input signal to drive the output to the rated output level.)
Headphone Power Amplifier Specifications
Specification Condition XLR Input - Balanced Output RCA Input - 6.35 mm Output
Maximum Output Power
(Per Channel) Into 600 Ohm 2400 mW 600 mW
Into 32 Ohm 3000 mW 3500 mW
Rated Output Power
(Per Channel) Into 600 Ohm 800 mW 200 mW
Into 32 Ohm 2000 mW 500 mW
Frequency Response at Rated Power
10 Hz – 200 kHz (+0/-1 dB)
20 Hz – 20 kHz (+0/-0.04 dB) 10 Hz – 200 kHz (+0/-1 dB)
20 Hz – 20 kHz (+0/-0.04 dB)
THD+N at 1 kHz
(A Weight, 20 Hz – 20 kHz) Rated Power < 0.0018% (< -95 dB) < 0.0056% (< -85 dB)
50 mW < 0.001% (< -100 dB) < 0.0022% (< -93dB)
Channel Separation > 120 dB > 90 dB
Signal-to-Noise Ratio
(A Weight, 20 Hz – 20 kHz)
> 111 dB > 111 dB
Dynamic Range
(1 kHz -60 dB, A Weight, 20 Hz – 20 kHz)
> 120 dB > 115 dB
Output Impedance 0.5 Ohm 0.7 Ohm
(Test condition: Volume knob at Max position and an input signal to drive the output with 600 Ohm loads to the rated
output power, unless otherwise noted.)