I had a black cube when I bought my 99 w/phono.
I did A/B with a Y connector.The 99 phono (stock tubes) won by a slim margin.Slightly better inner detail.
I then spent $200 on some killer NOS tubes for the 99 phono.
After that the 99 CRUSHED the black cube in all areas.
I did A/B with a Y connector.The 99 phono (stock tubes) won by a slim margin.Slightly better inner detail.
I then spent $200 on some killer NOS tubes for the 99 phono.
After that the 99 CRUSHED the black cube in all areas.