The Violectric Niimbus US 5 is a reference-grade headphone amplifier and line preamplifier meticulously engineered for critical mastering applications and high-end studio playback. Operating on a fully balanced dual-mono architecture with an exceptionally high internal voltage, it provides an analytical window into your mix, extracting transients and micro-details with surgical precision while retaining absolute tonal neutrality.
Massive Headroom and Pre-Gain Staging
Effectively driving notoriously inefficient planar magnetic headphones while simultaneously accommodating highly sensitive in-ear monitors (IEMs) requires extreme dynamic flexibility. The Niimbus US 5 outputs a staggering 7000 mW into 50 Ohms and up to 32 V RMS into a 600 Ohm load. To perfectly manage this immense power reserve, the amplifier relies on a dedicated Pre-Gain architecture. Tracking and mastering engineers can adjust the internal gain staging from -18 dB to +18 dB, optimally matching the amplifier's noise floor to the specific transducer for a pitch-black background.
Pristine Signal Path and ALPS Control
Accurate attenuation is critical for evaluating stereo width and depth in a studio environment. The US 5 incorporates a premium, motorized ALPS RK27 potentiometer, delivering smooth, tactile volume adjustments with highly reliable channel tracking. This component ensures that phase coherence and stereo imaging remain perfectly intact even at lower listening volumes. Combined with its robust line preamplifier capabilities and a comprehensive remote control, the US 5 serves as a centralized, uncolored command station for demanding analog routing.
KEY FEATURES
- Massive output stage delivering 7000 mW (50 Ohms) and 32 V RMS (600 Ohms) to easily drive demanding studio headphones.
- Rear-mounted Pre-Gain adjustment system (-18 to +18 dB) ensuring an optimal noise floor for any headphone sensitivity.
- Motorized ALPS RK27 potentiometer providing smooth, accurate volume attenuation with reliable left/right channel balance.
- Fully balanced dual-mono circuitry operating on an exceptionally high 50 V internal voltage for superior transient response.
- Full line preamplifier functionality, managed entirely via the included solid aluminum infrared remote control.
TECHNICAL SPECIFICATIONS
- Amplifier Type: Solid-state headphone amplifier / line preamplifier (Dual Mono)
- 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), 2x 6.3 mm / 1/4" Jack (Unbalanced)
- Maximum Output Power: 7000 mW (50 Ohms)
- Maximum Output Voltage: 32 V RMS (600 Ohms)
- Volume Control: Motorized ALPS RK27 potentiometer
- Pre-Gain Range: -18 / -12 / -6 / 0 / +6 / +12 / +18 dB
- Remote Control: Included (handles volume, input selection, output routing, and mute)
