A few words about the Gustard C18 clock after 300 hours of operation.
Technically it is very good, it pairs with the DI20HE and R7HE MK2 every time.
Now a few words on improving the sound.
In my opinion, with the Gustard C18 clock all instruments are more realistic, sound more natural and clean, there is even better separation of instruments.There is definitely less distortion.
You can buy a better clock, but for a much higher price, especially in Europe.The C18 brings a big improvement to the sound anyway.