Fezz Audio OVO Valve Headphone Amplifier Control This Fezz Audio OVO Valve Headphone Amplifier delivers exceptional control and musicality. It drives virtually any headphone with confidence. Moreover, careful circuit choices ensure natural tone and impressive clarity. As a result, demanding designs sound open, expressive, and engaging. Design The amplifier uses a pure Class A single-ended triode architecture. Consequently, it produces a rich, fluid sound with strong harmonic structure. High-grade transformers enhance resolution and dynamics. Meanwhile, the robust chassis supports long-term reliability and stable performance. Performance Switchable impedance settings allow precise matching with different headphones. Therefore, both low and high impedance models perform at their best. The wide bandwidth preserves detail and air. In addition, generous output power ensures authority without strain. Connectivity Balanced and single-ended inputs provide flexible system integration. Likewise, multiple headphone outputs support modern and traditional connections. An optional Bluetooth module adds wireless convenience. However, the focus always remains on sound quality. Sound The presentation is smooth, detailed, and emotionally involving. Bass remains controlled and textured. Meanwhile, midrange tones sound natural and expressive. High frequencies extend cleanly without harshness. Overall, music feels immersive and lifelike. Build Premium components feature throughout the internal layout. As a result, noise levels remain low and consistency stays high. The thoughtful construction reflects meticulous attention to detail. This approach supports years of dependable listening enjoyment. Specifications Type Vacuum tube headphone amplifier Architecture Class A single-ended triode (SET) Valve Complement 1 × 12AX7, 2 × EL84 Inputs 1 × RCA, 1 × XLR Outputs 1 × RCA, 1 × XLR Headphone Outputs XLR, 6.3 mm jack, 4.4 mm Pentaconn Load Impedance 16 – 600 Ω (Low / Mid / High) Sensitivity 850 mV Frequency Response 16 Hz – 120 kHz (-3 dB, 32 Ω) Total Harmonic Distortion < 1% at 1000 mW Output Power 1500 mW at 2% THD Bluetooth Optional plug-in module with remote Power Consumption 40 W Dimensions 355 × 380 × 100 mm Weight 10.5 kg Finish Options Multiple colour schemes available
