Violectric HPA V550 Desktop Headphone Amplifier and Preamp
Designed to drive everything from low- to high-Z loads for headphones or loudspeakers, the HPA V550 Headphone Amp and Preamp from Violectric delivers versatile functionality and low-noise, low-distortion circuits specially optimized for dynamic and orthodynamic headphones. With support for headphone impedance loads of 16 to 600 ohms, the V550 can drive the most demanding headphones, while pre-gain selection via DIP switch and pre- or post-fader selection make the unit equally comfortable as a high-fidelity studio preamplifier.
Designed to drive everything from low- to high-Z loads for headphones or loudspeakers, the HPA V550 Headphone Amp and Preamp from Violectric delivers versatile functionality and low-noise, low-distortion circuits specially optimized for dynamic and orthodynamic headphones. With support for headphone impedance loads of 16 to 600 ohms, the V550 can drive the most demanding headphones, while pre-gain selection via DIP switch and pre- or post-fader selection make the unit equally comfortable as a high-fidelity studio preamplifier.
The V550 sports balanced stereo Neutrik XLR outputs and inputs, two unbalanced RCA inputs, four unbalanced RCA outputs, two unbalanced 1/4 stereo TRS headphone outputs, and one fully balanced, Neutrik XLR 4-pin stereo headphone output with gold-plating for true balanced headphone amplification. This amp features plenty of control over your amplified signal with standard volume control with balance knob, dedicated input and output selection, and a wireless infrared remote control for conveniently controlling volume and selecting inputs or outputs.
Violectric HPA V550 Specs
| Form Factor | Tabletop |
| Number of Headphone Channels | Single Channel |
| Recommended Headphone Impedance | 16 to 600 Ohms |
| Headphone Output Power | 6400 mW into 50 Ohms (Max) 735 mW into 600 Ohms (Rated) |
| EQ | None |
| Display | None |
Connectivity
| Analog Audio I/O | 2 x XLR 3-Pin Balanced Line Input (1 Stereo Pair, Rear Panel) 4 x RCA Coaxial Unbalanced Line Input (2 Stereo Pair, Rear Panel) 2 x XLR 3-Pin Balanced Line Output (1 Stereo Pair, Rear Panel) 2 x RCA Coaxial Unbalanced Line Output (1 Stereo Pair, Rear Panel) 1 x XLR 4-Pin Balanced Stereo Headphone Output (Front Panel) 2 x 1/4" TRS Unbalanced Stereo Headphone Output (Front Panel) |
| Digital Audio I/O | None |
| Network I/O | None |
| USB | None |
Performance
| Frequency Response | 5 Hz to 250 kHz -0.5 dB |
| Gain/Trim Range | 0 dB +6 dB |
| Maximum Input Level | +21 dBu |
| Maximum Output Level | +21 dBu |
| Dynamic Range | > 131 dBA |
| Impedance | Line Inputs: 10 Kilohms Outputs: < 1 Ohm |
| 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) |
| Noise | < -103 dBu (A-Weighted) |
| Crosstalk | -105 dB (At 1 kHz) -100 dB (At 15 kHz) |
| Channel Balance | 6 dB |
| Damping Factor | 320 at 50 Ohms (Unbalanced) 160 at 50 Ohms (Balanced) |
Power
| Power Requirements | AC Input |
| AC Input Power | 115 to 230 VAC, 50 / 60 Hz (T 1 A) |
| Ground Lift | Yes |
| AC/DC Power Adapter | None |
| Power Consumption | 50 VA |
Physical
| Dimensions | 11.4 x 10 x 3.1" / 29 x 25.4 x 8 cm (with Feet) |
In the Box
- Violectric HPA V550 Desktop Headphone Amplifier and Preamp
- Remote Control
- Power Cord
- 5-Month Manufacturer Warranty
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