


OSH-DHa – Dual Discrete Opamp Open Sound Hybrid Horizontal
Discrete Operational Amplifier
OSH-DV -Dual Discrete Opamp Open Sound Hybrid Vertical
Discrete Operational Amplifier
OSH-DHb – Dual Discrete Opamp Open Sound Hybrid Horizontal
Discrete Operational Amplifier
The Staccato Audio amplifier represents an uncompromising approach to high-end audio design. The designer’s goal was to achieve perfect coherence between sound quality, aesthetics, and craftsmanship.
The name Black Unique is far from arbitrary — it refers to the “black background” in music, the subtle silence in which the room’s acoustics become perceptible. The designer’s intention was to reveal and define this black background.
From a technological standpoint, the amplifier employs a proprietary triple electromagnetic shielding system for the transformer. This is crucial in Class A operation, where the high idle current generates significant electromagnetic radiation that can negatively affect internal coupling and signal purity.
Furthermore, a high design priority was the elimination of internal wiring as a potential source of signal loss and unwanted antenna effects. By carefully routing a distributed ground network with hum-isolating resistors, the designer achieved an ultra-low self-noise floor.
- Harmonic distortion 0,05% at 1kHz/1W
- Bandwidth 1Hz – 150kHz +/-3dB
- Noise level -91dBV

