Audionet STERN
SCIENTIST SERIES – ULTIMATE MACHINE STERN
The machine:
Designed by German design legend Hartmut Esslinger of Cupertino fame, our new über-performance preamp STERN combines Audionet’s unique electronics, stratosphere version, with a design quality that has not been seen in the realms of highenddom before.The patented FLOATING PANE DESIGN encorporates the ultimate audiophile qualities.
One amp to rule them all – STERN rises high above anything, anywhere – even our serial show winner PRE G2 (2015 “best sound” at RMAF, AXPONA, T.H.E.SHOW and HIGHEND).
Special features STERN
- Magnetically and capactively optimized circuit and device design without any ferro-magnetic materials.
- Floating Pane Design for optimal resistance against microphonic effects and temperature stability.
- The floating panels of the body are resonance-optimized by pads on an aluminum frame.
- Mounting and bolted assembly of transformers made of stainless steel.
- Double mono layout of circuitry and power supply for maximum channel separation.
- Air Flow Design circuit boards for an optimum of cooling and stable quiescent currents.
- Galvanic separation of all analog circuits by opto couplers.
- The input and output sections as well as the volume control are implemented using enhanced, discrete Audionet operational amplifier modules with state-of-the-art mica capacitors.
- Rhodium Cinch jacks by Furutech.
- Volume controller on a double ball-bearing axis and with magnetic ratchet and optical sensing.
- Volume controlled by electronic switches and real-time linearized precision resistor network.
- DC coupled with no sound diminishing capacitors or coils, shortest signal paths.
- One separate transformer per channel for the positive and negative half wave, leading to the perfect power supply.
- Four encapsulated and decoupled 50 VA toroid transformers.
- Main power supply capacitors 22,000 µF, optimized for very low impedance and made with silk dielectric.
- Total capacitance of 176,000 µF.
- Microprocessor control with separate power supply monitor and control of all functions, informing the user on a high resolution display.
- By-Pass mode for integration into home cinema systems.
- Audionet Link outputs for the remote control of further Audionet devices.
- User definable names for each input, input levels adjustable for each input.
- User selectable function to remove DC levels from signal sources.
- Rhodium fuse.
In- and Outputs
| Inputs: | 4 pair RCA line, Rhodium (Furutech) 2 pair XLR balanced, gold plated (Neutrik) 1 D Sub 9 serial port (control only) 1 SMA for WLAN (control only) |
| Outputs: | 2 pair Cinch line, Rhodium (Furutech) 1 pair Cinch inverted, Rhodium (Furutech) 2 pair XLR balanced, gold plated (Neutrik) 2 Audionet Link, optical 1 connector, gold plated, for additional earth connection |
Technical Data
| Frequency response: | 0–2,200,000 Hz (-3 dB), DC coupled 0.3–2,200,000 Hz (-3 dB), AC coupled |
| THD+N: | <-104 dB @ 20 kHz <-116 dB @ 1 kHz |
| SNR: | > 123 dB, 4 VRMS |
| Channel separation: | >144 dB, 20–20,000 Hz |
| Output impedance: | 24 Ω real (Cinch line) 48 Ω real (XLR) |
| Output current: | max. 60 mA |
| Power consumption: | < 0.5 W stand by, typ. 100 W |
| Mains: | 220..240 V or 110..120 V, 50..60 Hz, Rhodium (Furutech) |
| Dimensions: | Vertical: Width 270 mm Height 500 mm Depth 505 mm Horizontal: |
| Weight: | 38 kg |