The Violectric DHA-V5902 Headphone Amplifier and DAC is a powerful monitoring combination of headphone amplifier, D/A converter and preamplifier. Digital audio signals are fed in via XLR, RCA, USB or optical input, translated into the analog world by ESS-Tech ES9026 PRO converters and played out on up to three different headphones. Formats up to 384 kHz and DoP can be converted. Elegant ALPS controls regulate the volume and balance. The pre-gain circuit adjusts the level to the impedance of the headphones being used. The carefully selected components are installed by hand in a high-quality housing with a wide range of connection options. The Violectric DHA V590² is therefore perfectly suited as the central element of a home audio system. Built-In Top-Class Digital-To-Analog Converter Connect the Violectric DHA V590² headphone amplifier directly to your digital streamer or mobile player via USB-C and enjoy your digital music collection or Internet radio quickly and directly. 4 digital inputs, bal, coax, opto with up to 24 bit and 192 kHz, USB with up to 32 bit and 384 kHz for PCM signals, DSD 64 - 256 Balanced Headphone Outputs When listening to music via loudspeakers, you are part of the auditorium. When listening via “normal” headphones, you take the place of the conductor. When listening with “balanced” headphones, you are part of the orchestra. If headphones are operated symmetrically, the channel separation is increased even further. Balanced headphones usually have a 4-pin XLR connection or a Pentaconn plug. True balanced operation requires a great deal of effort in the form of four built-in power amplifiers. PRE-GAIN The headphone amplifier is positioned between the music source and the headphones. The source can be of varying power and the headphones of varying sensitivity. The Lake People PRE-GAIN serves to compensate for these differences and to optimize the headphone amplifier for every conceivable combination. This results in minimal noise, the lowest distortion factor and the best channel balance. The PRE-GAIN adjustment is located on the rear of the Violectric HPA V340 and can be set individually in 7 stages (-18, -12, -6, 0, +6, +12, +18 dB) Perfect Headphone Protection Various circuits protect the headphones from unclear operating states, DC voltage, excessive operating temperature and overload. Delayed On, Instant Off Every headphone amplifier causes interference when it is switched on and off. This interference can damage the connected headphones. The headphones are connected to the amplifier with a delay via relays and the associated electronics and disconnected again immediately after switching off. In this way, the headphones themselves are protected from the device electronics as long as no clearly defined conditions are to be expected. DC Monitoring The outputs are monitored for harmful DC voltage. As soon as a predefined value is exceeded, the headphones are switched off. Overload Monitoring The power consumption is constantly measured during operation. If predefined parameters are exceeded, the headphones are switched off. Remote Control: Control the Violectric DHA V590² remotely with its beautifully designed remote control milled from a solid piece of metal. Infrared gives you access to the most important functions of the device: Volume Mute Input selection (XLR / RCA1 / RCA2) Output selection (headphones / LineOut) Violectric's Unique Technology: Lowest noise - thanks to very low internal amplification. This means that the amplifier's own noise is inaudible. High output voltage - due to an internal 50-volt operating voltage. Therefore, ideally suited for high-impedance headphones. High output power - thanks to powerful amplifiers that can deliver far more power than even the most demanding headphones require. Therefore, ideally suited for headphones with low impedances and magnetostats. High damping factor - due to the lowest output impedance. Therefore, ideally suited to drive even the most difficult headphones without interference. The advantage for an uncompromising frequency response. Violectric - The Brand for Music Lovers Violectric brings decades of expertise and the uncompromising quality standards of professional Lake People products to the world of hi-fi - with passion! Music lovers all over the world rave about the seamless integration into their systems: from a convenient and versatile input section to precisely adjustable gain control and digital interfaces with first-class converter technology at broadcast level - no wish remains unfulfilled here. The entire Violectric portfolio impresses with intuitive operability that is otherwise only known from professional audio technology. And there are no compromises when it comes to quality: Every single component is carefully selected to guarantee maximum sound fidelity. However, Violectric not only stands for outstanding technology, but also for timeless elegance. The products are integrated into an elegant, high-quality housing and fit perfectly into any sophisticated hi-fi setup. For audiophile perfectionists who don't want to compromise, the Niimbus series offers the ultimate - both visually and technically at the very highest level. Product Specifications: 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 Coaxial Unbalanced Line Input 2x XLR 3-Pin Balanced Line Output 2x Stereo RCA Coaxial Unbalanced Line Output 1x XLR 4-Pin Balanced Headphone Output (Front Panel) 1x 1/4"" TRS Unbalanced Headphone Output (Front Panel) 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: No USB (Non-Host): 1x USB-B (Digital Input) Sync I/O: No Network I/O: No MIDI I/O: No Expansion Slots: 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 (PCM) Sample Rate Conversion: On Digital Inputs Bit Depths: Up to 32-Bit Float (PCM, Delta-Sigma) Digital Audio Decoding: DSD, PCM Sync Sources: AES3, Atomic Clock Clocking: Atomic Clock: Compatibility: OS Compatibility: Windows / macOS / Linux OS Compatibility: Windows macOS Linux Mobile App Compatible: No MobileDevice Compatibility: Android Tablet Power: PowerRequirements: AC Input AC Input Power: 115 to 230 VAC, 50 / 60 Hz (T 1 A) Power Consumption: 50 VA Certifications: WEEE Dimensions: 11.4 x 11.1 x 3.5" / 29 x 28.2 x 9 cm (with Feet)
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