 |
   |
|
 |
||
    |
 |
| In order to optimize the high-frequency attributes, circuit size has been radically reduced. The remaining signal paths are kept to a minimum, and are free of sound-critical components such as coils or chokes. Gold-coated precision relays switch the input signal and ground. Ground wires run in a startype towards one central point. The design is capacitively and inductively optimized. All in all, distortions are reduced to a measure which is barely detectable.
The input buffer is a cascoded, bootstrapped, monolithic Double-FET, which offer a virtually infinite input impedance. This unique concept makes the PRE I G3 independent of unwanted influences of the source. Only the pure music signal will be processed. A DC-coupled driver stage amplifies the signal distortion free for the following circuitry. Volume and balance are set by an electronically switched, real time linearized high precision resistor network. The output driver combines high-speed bipolar operational amplifiers with discrete realized A/B-drivers with high bias currency. The voltages for the input and output stage are additionally smoothed by two discrete and ultra-fast bipolar regulators. An encapsulated 50 VA toroid core transformer and high audiograde electrolyte capacitors with a capacity of 30,000 uF provide the supply voltage. Those voltages are then smoothed by two fast bipolar regulators. Every sound-critical point in the Pre I G3 is fitted exclusively with the finest components procurable worldwide, and in part custom-made for Audionet. For example, the selected filter capacitors, as well as the bulk of our high audiograde electrolyte capacitors with a dielectric, are made of silk. We place on mica capacitors, insert selected high voltage foil capacitors, and deploy high-quality silver-gold alloys for our internal wiring. A flashable microprocessor controls and regulates the whole system. The digital section has its own power supply. The digital control is physically and electrically separated. The software of the PRE I G3 allows many new and comfortable functions. The two subwoofer outputs can be set as left and right signal or two times sum signal, the headphone output can be switched on and off electronically, and the home cinema mode offers a by pass-function to integrate a home cinema system. Six signal sources, two power amplifiers and one recorder can be connected. Furthermore a high-quality monitor loop is present. Other devices can remotely be activated via Audionet link. A two-row display informs about the system state. The inputs are can be distinctly named and their input sensitivity can be modified for different signal source levels. Pure in sound, superior in function, clear in form – the PRE I G3 preamplifier combines outstanding versatility with musical charm.
Overview | Details | Reviews | Technical Data |
