The brushed aluminium front panel of the Orpheus Four integrated amplifier is carefully machined and finished to create the unique Orpheus look that signals dedication to audio refinement.

Effectively a fusion of the Orpheus Two preamplifier in its pure stereo configuration and the Orpheus Three S stereo power amplifier, the Orpheus Four integrated amplifier offers special advantages, including a preamplifier bypass function that allows it to be run as a power amplifier without signal attenuation. This convenient feature, for use in a system with a surround processor or source component with built-in volume control, eliminates a superfluous volume potentiometer from the signal path and maintains the integrity of the audio signal.

Operating far below any audible threshold, the exclusive Orpheus Power Loop power amplifier module reacts instantaneously to ensure pristine clarity and control. Based on proprietary Orpheus technology, Power Loop monitors both voltage and current, executing corrections as required at extreme high speeds for rock-solid stability to maintain the purity of the audio signal, regardless of loudspeaker load. In the presence of a resistive load, Orpheus Four acts as a voltage amplifier. In the presence of a reactive load, the load is controlled during transients and current is adjusted to meet the requirements of the loudspeaker.

The ultra-quiet Orpheus amplification stages ensure an exceptionally low noise floor, allowing music to float free and unimpeded before the listener.

The Orpheus Four is able to “track” dynamic passages with all of the subtle ebb and flow of the drama intact. It releases notes quicker, infusing the music with life and vibrancy. The speed and agility of its transient response bring new levels of realism to any style of music.
The result is a scintillating experience of a multi-dimensional soundstage that always retains appropriate focus on individual voices and instruments.

Designed to fit a single rack unit (482 x 370 x 44 mm), each Orpheus component employs an ultra-compact signal path layout for significant gains in audio performance.

In keeping with Orpheus’ subtle styling, the basic black chassis and natural brushed aluminium front panel lend a sense of timeless, understated elegance to any contemporary home interior. Their modest dimensions make it easy for the proud owner to choose uncompromising High End performance and uncompromising style.

The blue dot-matrix display features large characters to ensure increased readability and an input naming function that allows the owner to customize names up to ten characters long for each source component.

The display’s five user-selectable levels of illumination from full brightness to OFF.

In Night Mode, the display can be programmed to illuminate briefly to acknowledge reception of a command whenever a button on the front panel or remote is pressed before turning off again.

In conjunction with the front panel display, Orpheus’ specially developed menu navigation system becomes an ingenious communications centre for efficient, intuitive control with minimal fuss.

Features