Designed to drive everything from low- to high-Z loads for headphones or loudspeakers, theHPA V550 Pro Headphone Amp and PreampfromViolectricdelivers versatile functionality and low-noise, low-distortion circuits specially optimized for dynamic and orthody
Designed to drive everything from low- to high-Z loads for headphones or loudspeakers, theHPA V550 Pro Headphone Amp and PreampfromViolectricdelivers 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 Pro 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 Pro 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 256-step relay 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.
Specifications
| 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 | No |
| Display | No |
Connectivity
| Analog Audio I/O | 2 xXLR 3-Pin Balanced Line Input (1 StereoPair, Rear Panel) 4 xRCA Coaxial Unbalanced Line Input (2 StereoPair, Rear Panel) 2 xXLR 3-Pin Balanced Line Output (1 StereoPair, Rear Panel) 2 xRCA Coaxial Unbalanced Line Output (1 StereoPair, Rear Panel) 1 xXLR 4-Pin Balanced Stereo Headphone Output (Front Panel) 2 x1/4″ TRS Unbalanced Stereo Headphone Output (Front Panel) |
| Digital Audio I/O | No |
| Network I/O | No |
| USB | No |
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 | No |
| Power Consumption | 50 VA |
Physical
| Dimensions | 11.4 x 10 x 3.1″ / 29 x 25.4 x 8cm (with Feet) |
Packaging Info
| Package Weight | 12.495 lb |
| Box Dimensions (LxWxH) | 14.5 x 13.3 x 5.4″ |
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