I had the X-250 with an Audio Logic DAC. I tried a ton of other DAC and preamp combinations including the X-1 preamp. The X-1 is one of the best SS preamps on the market. That being said, the X-1 does not sound like a tube preamp. The tube preamps I tried had a different presentation in the mid range, but some lost the dynamics, bass slam and extention of the X-1. AS always, presonal preference and sonic trade offs. I will say that the Tom Evans Vibe was a excellent sounding preamp with the X-250 as was the Sonic Euphoria passive preamp. Could have lived with either one for a long time. There was VIbe selling on Agon a few days back for dirt cheap, it is that good (not mine).
Hope this was helpful, email me with any questions.
Happy Listening.
Hope this was helpful, email me with any questions.
Happy Listening.