6G11-6GE8 Adapter Mike at MDBVentures.com http://www.MDBVentures.com The 6GE8/7734 tube (9 pin miniature) is expensive and hard to find. So someone came up with an adapter to use a 6G11 tube (12 pin compactron) in place of the 6GE8 tube. The 6G11 is also hard to find, but lots cheaper. Here is the wiring for the adapter: 6G11 to 6GE8 9pin adapter 6G11 -> 6GE8/7734 pin -> pin 1 -> 5 2 -> 7 3 -> 8 4 -> 7 5 -> nc 6 -> 9 7 -> 1 8 -> 3 9 -> 2 10 -> 6 11 -> 6 12 -> 4