I have not heard the Hegel P-30 myself. That said having a S/N ratio north of 125 in itself does not mean I will enjoy its sound. It also does not mean that it will not be lacking in dynamics or some other parameter.
Have you listened to it yourself and compared it with the other preamps you have listed? If not it seems reckless to proclaim it their equal just based on one spec.
Have you listened to it yourself and compared it with the other preamps you have listed? If not it seems reckless to proclaim it their equal just based on one spec.