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Violectric DHA V590² Headphone Amplifier, Preamp, and DAC

BH #VIDHAV5902 • MFR #DHA V5902
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Violectric DHA V590² Headphone Amplifier, Preamp, and DAC
Key Features
  • Desktop Headphone Amp, Preamp, and DAC
  • Supports 4- to 600-Ohm Headphones
  • Balanced XLR In/Out, RCA In/Out
  • Balanced XLR 4-Pin Headphone Out
Built as a 3-in-1 studio workhorse, the DHA V590² from Violectric is a versatile D/A converter with resampling and reclocking functions, a high-quality preamplifier, and an audiophile balanced stereo headphone amplifier all at once. With support for 4- to 600-ohm headphones, this unit can drive the most demanding headphones such as planars and low-impedance dynamics, while the ESS ES9026 Pro DAC chip provides dual-mono, 32-bit floating point delta sigma, digital-to-analog conversion, with support for up to 384 kHz PCM sampling rates and DSD512 decoding.
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Violectric DHA V5902 Overview

Built as a 3-in-1 studio workhorse, the DHA V590² from Violectric is a versatile D/A converter with resampling and reclocking functions, a high-quality preamplifier, and an audiophile balanced stereo headphone amplifier all at once. With support for 4- to 600-ohm headphones, this unit can drive the most demanding headphones such as planars and low-impedance dynamics, while the ESS ES9026 Pro DAC chip provides dual-mono, 32-bit floating point delta sigma, digital-to-analog conversion, with support for up to 384 kHz PCM sampling rates and DSD512 decoding.

The V590² sports a plethora of I/O including balanced XLR input and output, unbalanced RCA input and output, multiple headphone outs including 1/4", 3.5mm, and a true balanced XLR 4-pin out, and four digital inputs: XLR 3-pin AES, RCA coaxial, TOSLINK optical, and USB-B, which provides the highest available sampling rate. With versatile functions like pre- and post-fader selection, five modes of resampling with a femto-scale atomic sync clock, pre-gain DIP switches, and a standard Alps RK 27 volume pot, it has never been simpler to control your signals. The unit also comes with a convenient infrared remote control.

Powerful Amplifier and Preamplifier
With three analog input paths and five output paths, you have plenty of options for your analog signal routing. The V590² is designed to be operated as either a headphone amplifier or a loudspeaker preamplifier, with selectable inputs and outputs, as well as pre or post gain routing. Protective circuits also help to avoid overloads.

  • Balanced XLR inputs, balanced XLR outputs
  • Two unbalanced RCA stereo input pairs, one unbalanced RCA stereo output pair
  • Balanced XLR 4-pin stereo headphone output with wide ranging impedance support
  • Extra 1/4" and 3.5mm headphone outputs
  • Analog I/O selection as well as digital input selection
  • Pre- or post-gain routing selection 
  • Rear panel DIP switches for pre-gain control up to ±18 dB
Versatile DAC
The V590² sports powerful DAC hardware via its ESS-based ES9026 Pro DAC chip, which supports 32-bit resampling and reclocking, with a huge 180 dB dynamic range. The DAC can accept any signal down to 16-bit and expand it to 32-bit for higher quality audio and avoidance of clipping. The internal atomic clock is accurate down to 80 femtoseconds, utterly eliminating any jitter in the resampling process. All digital signals can be expanded to 32-bit, and through USB, sample rates as high as 384 kHz PCM and DSD512 can be achieved.
Professional Quality Electronics
The V590² is built to the highest standards with top-grade electronics. From high-quality resistors to reliable controls and connectors, this desktop unit is built to last for years of continuous studio use.

  • 52 transistors, 24 high-quality audio op-amps in the signal path
  • High-grade MKP capacitors 
  • 0.1 to 1% Metallfilm resistors 
  • Large filter capacity of >35,000 uF
  • Two toroidal transformers, 25 + 25W
  • Alps RK 27 motorized volume control, RK 27 balance control
  • Neutrik gold-plated XLR 4-pin headphone connector, Neutrik silver-plated 1/4" headphone connectors
  • Delayed relay-based headphone output during power on or instant cut-off of power
  • Rugged black anodized aluminum chassis

Violectric DHA V5902 Specs

Key Specs
Form Factor
Desktop
Converter Type
D/A Converter
Number of Channels
1x D/A (at 48 kHz)
Maximum Sampling Rate
384 kHz / 32-Bit (PCM)
Number of Microphone Inputs
2
Analog Audio I/O
2x XLR 3-Pin Line Input
1x Stereo RCA Line Input
2x XLR 3-Pin Line Output
1x XLR 4-Pin Headphone Output
1x 1/4" TRS Headphone Output
2x Stereo RCA Line Output
1x 1/8" / 3.5 mm TRS Headphone Output
Digital Audio I/O
XLR 3-Pin AES3 Input
RCA Coaxial AES3 Input
TOSLINK Optical ADAT Input
General
Form Factor
Desktop
Converter Type
D/A Converter
Number of Channels
1x D/A (at 48 kHz)
Conversion Formats
AES3, TOSLINK
Converter Circuitry
D/A Chipset:
1x
Display
No
Maximum Sampling Rate
384 kHz / 32-Bit (PCM)
Number of Microphone Inputs
2
Signal Processing
Gain/Trim Range
0 dB to +6 dB
-18 dB to +18 dB (Pre-Gain DIP Switches)
Connectivity
Analog Audio I/O
2x XLR 3-Pin Balanced Line Input
1x Stereo RCA Unbalanced Line Input
2x XLR 3-Pin Balanced Line Output
1x XLR 4-Pin Balanced Headphone Output (Front Panel)
1x 1/4" TRS Unbalanced Headphone Output (Front Panel)
2x Stereo RCA Unbalanced Line Output
1x 1/8" / 3.5 mm TRS Unbalanced Headphone Output (Front Panel)
Phantom Power
No
Digital Audio I/O
1x XLR 3-Pin AES3 Input
1x RCA Coaxial AES3 Input
1x TOSLINK Optical ADAT Input
Host Connection / USB
No
USB (Non-Host)
1x USB-B (Digital Input)
Sync I/O
No
Network I/O
No
MIDI I/O
No
Expansion Slots
No
Wireless
No
Performance
Frequency Response
5 Hz to 250 kHz -0.5 dB
Maximum Input Level
+21 dBu
Maximum Output Level
+21 dBu
Headphone Output Power
700 mW into 4 Ohms
1300 mW into 8 Ohms
2000 mW into 16 Ohms
4700 mW into 32 Ohms
6400 mW into 50 Ohms
4300 mW into 100 Ohms
1450 mW into 300 Ohms
740 mW into 600 Ohms
Impedance
Line Inputs:
10 Kilohms
Line Outputs:
< 1 Ohm
Dynamic Range
Analog:
> 131 dBA
Digital:
180 dB
THD+N
< -102 dB / < 0.0008% (At 1 kHz, 2 x 10V, 100R = 1W)
< -100 dB / < 0.001% (At 1 kHz, 2 x 4V, 32R = 0.5W)
Crosstalk
-105 dB (At 1 kHz)
-100 dB (At 15 kHz)
Digital Audio
Sample Rates
Up to 384 kHz
Sample Rate Conversion
On Digital Inputs
Bit Depths
Up to 32-Bit Float (PCM, Delta-Sigma)
Digital Audio Decoding
PCM, DSD
Sync Sources
AES3, Atomic Clock
Clocking
Atomic Clock:
Compatibility
OS Compatibility
Windows / macOS / Linux
Mobile Device Compatibility
Android Tablet
Power
Power Requirements
AC Input
AC Input Power
115 to 230 VAC, 50 / 60 Hz (T 1 A)
Power Consumption
50 VA
Physical
Certifications
WEEE
Dimensions
11.4 x 11.1 x 3.5" / 29 x 28.2 x 9 cm (with Feet)

Violectric DHA V5902 Reviews

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