Has anyone tried this 6550 in an ARC or other amp? I'm getting ready to re tube my ARC VT 100. ARC currently provides the Winged "C" 6550 as the OE tube. Both are available from the retail tube sellers. Thanks steve
I have tried both, but in a CJ amp. I like the Winged C better than the EH, just had more detail. Currently using the TungSol 6550, very good, balanced sound and tubes seem to last a lot longer than either the EH or Winged C's.