You only need 2 quality 6SN7's for the 99 Mag.
The 2 other tube positions have no effect on the sonics.
I cant remember which 2 positions to use quality tubes in. Ask Mark before you lay down big bucks for 4 tubes.
The 2 other tube positions have no effect on the sonics.
I cant remember which 2 positions to use quality tubes in. Ask Mark before you lay down big bucks for 4 tubes.