VITUS AUDIO SIA-025 MK II

Pre owned. In excellent condition. Free from visible signs of wear. Witnout original packaging.

The Vitus Audio SIA-025 is an integrated amplifier belonging to the Danish manufacturer’s Signature series, a range that represents one of the most significant expressions of the brand’s production and embodies the design philosophy of a company founded by an electronics engineer with extensive experience in the audio sector. The product is manufactured in Denmark with an extremely high level of craftsmanship, as confirmed by the “Handcrafted in Denmark” labels, and reflects an approach in which the pursuit of the highest possible sound quality is combined with an exceptional level of mechanical and circuit design.

The SIA-025 is a Class A integrated amplifier delivering 25 watts per channel and positioned within the Signature line, but it is also capable of operating in Class AB mode, providing a higher output of up to 150 watts per channel. This dual configuration allows the amplifier’s behaviour to be adapted to different listening requirements. Despite this flexibility, the design is clearly oriented towards Class A operation, where the unit expresses its most coherent and refined sonic character.

The chassis construction and overall finish reflect the typical attention to detail of the Danish brand, featuring a massive and imposing structure that conveys solidity and precision. The unit is also notable for its considerable weight and for a front panel design that is both minimal and highly refined, characterised by clean surfaces, solid lines, and an integrated heat dissipation system that becomes part of the aesthetic identity. The overall impression is that of a no-compromise component designed for long-term durability and stable operation even under demanding conditions.

The control interface is deliberately minimalist, with a reduced number of buttons and a simple, intuitive menu structure, consistent with the brand’s philosophy of prioritising musical enjoyment over operational complexity.

From a sonic perspective, the SIA-025 stands as a reference in its category, delivering an extremely coherent, musical, and engaging reproduction capable of highlighting the finest nuances in recordings while maintaining a stable and naturally presented soundstage. Its driving capability and tonal accuracy make it a benchmark among high-end integrated amplifiers, offering a musical performance distinguished by continuity, control, and a lack of listening fatigue.

Technical specifications:

• Inputs: 3 analog XLR; 2 analog RCA
• Sensitivity: 2 V RMS; 4 V RMS; 8 V RMS
• Input impedance: 10 kOhm
• Outputs: 1 analog XLR; 2 speaker outputs (L-R) at 75 mOhm
• Output power into 8 Ohm RMS: 2 × 25 W in Class A; 2 × 150 W in Class AB
• Signal-to-noise ratio: > 100 dB
• Total harmonic distortion + noise: > 0.01%
• Volume control: relay-controlled resistor network
• Volume gain range: -81 dB to +6 dB
• Standby power consumption: < 1 W
• Power consumption in Class AB: 90 W
• Power consumption in Class A: 162 W
• Dimensions (H × W × D): 130 mm × 435 mm × 430 mm
• Weight: 38 kg