Violectric DHA V590² Pro Headphone Amplifier, Preamp, and DAC User Manual
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Headphone Amplifier Parameter
Nominal Input Sensitivity:
+6 dBu
Amp Gain:
0 dB unbal. / +6 dB bal.
PRE-GAIN:
-18 / -12 / -6 / 0 / +6 / +12 / +18 dBr
Frequency Range:
5 Hz ... 250 kHz (- 0,5 dB)
Balance:
+/- 6 dB, only effective in the right channel
Output Impedance:
0,15 Ohm unbal. / 0,3 Ohm bal.
Damping Factor (Load 50 Ohm):
320 unbal. / 160 bal.
Dynamic Range:
> 131 dB (A-wtd)
Noise:
< -103 dBu (A-wtd)
THD+N (1kHz/2x10V/100R = 1W):
< -102 dB / < 0,0008 %
THD+N (1kHz/2x4V/32R = 0,5W):
< -100 dB / < 0.001 %
Crosstalk:
-105 dB (1 kHz) / -100 dB (15 kHz)
Headphone Outputs:
1 x 4-pol XLR
2 x 1/4“ (6.3 mm) TRS jack
Max. Output Level
R
L
U
a
(dBu)
U
a
(V)
P
a
(mW)
600
28,7
21,1
740
Conditions:
300
28,6
20,9
1450
Balanced Operation
100
28,5
20,7
4300
Both Channels Loaded
50
27,3
17,9
6400
(1kHz / < 0.1% THD+N)
32
24,0
12,3
4700
16
17,3
5,7
2000
8
12,3
3,2
1300
4
6,8
1,7
700
Supply Voltage:
230 V AC / 115 V AC max. 50 VA
Front, Back:
8 mm / 3 mm Aluminum, black anodized
Case:
3 mm / 4 mm Aluminum, black anodized
Case Dimensions:
290 x 80 x 254 mm (B x H x T) / 11,4” x 3,15” x 10” (W x H x D)
Overall Dimensions:
290 x 90 x 282 mm (B x H x T) / 11,4” x 3,5” x 11,1“ (W x H x D)