thanks swiveltungI have not been able to compare them. But the 5G4 is fairly different. 5 pre tubes vs 6 in the 6G4 if memory serves...
The 6G4 has 5 preamp tubes. The 6G4-A has six.I have not been able to compare them. But the 5G4 is fairly different. 5 pre tubes vs 6 in the 6G4 if memory serves...