Description

The pow1 is perfectly tailored to the needs of the frérot
Two linear supplies power the audio section and a third lays the foundation for the individual supplies of the digital audio and logic sections in the frérot. The transformer with large dimensions is designed according to Merason specifications.

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Frérot Input signal processing
The frérot has one USB, two RCA and two Toslink inputs. The USB input is based on Amanero technology and ensures a low-jitter music signal thanks to two precise oscillators, which is additionally galvanically isolated by capacitive isolator components. The signals arriving at the other inputs are also galvanically isolated and de-jittered by means of transformers. This guarantees that no external interference can affect the sensitive signal.

Frérot Digital-to-analog conversion
The task of digital-to-analog conversion is performed by a 1794A converter module from Burr Brown. The analog current signal is elaborately converted into a voltage signal in a discrete setup, which is buffered in Class A technology and routed to the output. The frérot is fully balanced, i. e. a total of four independent channels are implemented from the two converter modules to the output.

Frérot Power supply
As with the DAC1, each functional unit has its own power supply, and there are ten in total. Unlike the DAC1, all four output channels are supplied by one supply, which is generated by a switching voltage regulator.

Frérot Structure
Meticulous attention has been paid to the layout and component selection to ensure that both ensure good sound, which has been verified in many sessions and confirmed by many listeners.

Made in Switzerland
As with the DAC1, all critical work is done exclusively in Switzerland.