simao, took a look at your phono pre.
would still say the same, plus a few other upgrades.
1. replace load resistors with vishay VSR foils2. black cube appears to use a wall wart for power, replace with decent sized linear power supply.
3. replace all those red wima caps in the black cube with a better quality cap.
All of the above would cost much less than 1K, yet would give you a bigger bang for the buck.
if the unit runs on 12 or 15 volts, you can even buy a linear power supply from amazon for under 50 bucks that will make a world of difference.
would still say the same, plus a few other upgrades.
1. replace load resistors with vishay VSR foils2. black cube appears to use a wall wart for power, replace with decent sized linear power supply.
3. replace all those red wima caps in the black cube with a better quality cap.
All of the above would cost much less than 1K, yet would give you a bigger bang for the buck.
if the unit runs on 12 or 15 volts, you can even buy a linear power supply from amazon for under 50 bucks that will make a world of difference.