Violectric HPA V550

The Violectric HPA V550 is a reference-grade headphone amplifier and professional line preamplifier engineered for critical mastering environments and demanding audiophile playback. Utilizing a discrete, solid-state audio path operating on an unusually high internal voltage, the device delivers an absolutely uncolored and distortion-free signal, providing an analytical window to evaluate every nuance and spatial detail within your mix.

50V Operating Voltage and Massive Headroom

Driving notoriously inefficient planar magnetic drivers or high-impedance studio dynamics requires significant voltage swing to prevent transient compression. The HPA V550 relies on a 50 V internal operating voltage rail, allowing the output stage to effortlessly generate up to 21 V RMS (into 600 Ohms) and a massive 6400 mW (into 50 Ohms). This high-voltage topology ensures that sudden dynamic peaks are reproduced without any clipping or artifacting. Additionally, the exceptionally high damping factor guarantees strict mechanical control over the headphone drivers, translating to an incredibly fast, articulate, and surgically precise low-end response.

Pre-Gain Staging and ALPS Precision

Accommodating both power-hungry planars and hyper-sensitive in-ear monitors (IEMs) on a single amplifier unit typically introduces an unacceptable noise floor. Violectric solves this routing challenge with a dedicated hardware Pre-Gain system, allowing engineers to adjust the internal gain staging across 7 discrete steps (ranging from -18 dB to +18 dB). This adjustment secures a pitch-black background, completely free of audible hiss, regardless of transducer sensitivity. Output levels are managed by a premium, motorized ALPS RK27 potentiometer, which provides smooth tactile adjustment and excellent left/right channel tracking to maintain perfect phase coherence and stereo imaging.

KEY FEATURES

• Massive output capabilities delivering 6400 mW (50 Ohms) and 21 V RMS (600 Ohms) to efficiently drive any studio headphone.
• Exceptionally high 50 V internal operating voltage ensuring lightning-fast transient response and zero dynamic compression.
• Rear-mounted Pre-Gain adjustment system (-18 to +18 dB) to optimize the noise floor for sensitive IEMs and low-efficiency planars alike.
• Premium motorized ALPS RK27 volume potentiometer for smooth, reliable attenuation and superb stereo channel tracking.
• Full line preamplifier functionality managed seamlessly from the listening position via the included infrared remote control.

TECHNICAL SPECIFICATIONS

• Device Type: Solid-state headphone amplifier / line preamplifier
• Analog Inputs: 1x Balanced XLR, 2x Unbalanced RCA
• Line Outputs (Pre-Out): 1x Balanced XLR, 1x Unbalanced RCA
• Headphone Outputs: 1x 4-pin XLR (Balanced), 1x 4.4 mm Pentaconn (Balanced), 1x 6.3 mm / 1/4" Jack (Unbalanced)
• Maximum Output Power: 6400 mW (at 50 Ohms)
• Maximum Output Voltage: 21 V RMS (at 600 Ohms)
• Volume Control: Motorized ALPS RK27 potentiometer
• Pre-Gain Adjustments: -18, -12, -6, 0, +6, +12, +18 dB
• Remote Control: Included (handles source selection, volume, output routing, and mute)