Nolitan, I had both the 505u and the 507u. The 507u is still with me. The amplifiers are very similar in sound. Very relaxed, powerful and with super controlled deep bass.
I have compared them with an accuphase e408, which has 180 Wpc. But even the 505u sounds so incredible much more powerful then the 408. The 505u really has grip on the speakers. I still enjoy my 507u everyday
I have compared them with an accuphase e408, which has 180 Wpc. But even the 505u sounds so incredible much more powerful then the 408. The 505u really has grip on the speakers. I still enjoy my 507u everyday