(!!!) (Recommended PAIR) 6JB6A RCA NOS 1960's - 1970 (83ma and 88ma) (DRAKE)
$ 71.99
1 pair) 6JB6A RCA NOS 1960's same build
1 tube) 83ma Gm=7700 has printing 1970 era
1 tube) 88ma Gm=7400 faded printing 1970 era
Good Ma range 60-75ma
Good Gm range 6500-7500
6JB6A specs: (6.3V @ 1.2A, Gm=7100, Watts=17.5)
recommended for:
Drake T4XB HF Transmitter
Drake T4XC
Drake TR4CW
See more: vacuum tube
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 (Recommended PAIR) 6JB6A RCA NOS 1960's - 1970 (83ma and 88ma) (DRAKE)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/3_1f4b1f17-4392-41c0-ad2e-e74674e4a43d.jpg?v=1643489869){kind=link}
 (Recommended PAIR) 6JB6A RCA NOS 1960's - 1970 (83ma and 88ma) (DRAKE) "Pin It")