Oppo HA-1 User Manual
Page 27
23
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.)