The L-505 series that has fascinated many music fans as a most affordable high-class amplifier was reborn to a much-awaited ultimate edition. The feedback circuit, ODNF, which is vital to sound quality, was upgraded to the latest version of the high-class specifications. L-505u has newly incorporated a pre/power separation switch to adapt various system environments, high-quality sound input selector IC that has been used in our flagship model, C-1000f, and more. The music essence has proceeded to the superior level along with sufficient power of 100W + 100W (8Ω). The champagne gold color (limited edition) is also available to coordinate with conventional models.