NAD PP2E with Burson V5i Dual

I have NAD PP2E, factory sound is not bad but I want wider scene and voice clarity… I first change power supply for a Linear Low noise = signal is clean et punchy…but not what I want…I change capacitors with Panasonic FC and Elna, sound is really better…but lacking voice! I try to change NE5532 […]

Topping D50s DAC with Burson V5i-D Opamp Upgrade

After about 24 hours, its much better than the first place. The op-amp resolves the complexity of symphony orchestra layers and positioning well. Lower bass is tight and controlled, not boomy. The midrange is relaxed, clean and clearer than stock LME49720. The high is clean, smooth and fluidity, no sign of harshness from this range […]

Duoo XD-05 PLUS with Burson V5i Dual Opamp

Drive power of Duoo XD-05 became little lower after the install of V5i-D, overall sound quality is suit for what I am expected (human sound little bit backward, better sound atmosphere.)