Can someone tell me about the sonic differences between the Furutech rhodium plated plugs:
FI-11-N1 (R?
FI-28 (R)
FI-48 NCF (R)
FI-50 NCF (R)
What do I gain if I move up the Furutech food chain within the rhodium plating?
FI-11-N1 (R?
FI-28 (R)
FI-48 NCF (R)
FI-50 NCF (R)
What do I gain if I move up the Furutech food chain within the rhodium plating?