(!!!!) (Best Pair) 6CB5A RCA NOS same date codes (90ma and 92ma)
$ 61.99
1 pair) 6CB5A RCA NOS same date codes 1973 (ED)
1 tube) 92ma Gm=8200
1 tube) 90ma Gm=7900
Tested on Amplitrex
Vplate=175
Vscreen=175
Vgrid=-30
Iplate = 70-100ma (Good)
Gm = 7,500 - 9,000 (Good)
See more: vacuum tube
Share:
 (Best Pair) 6CB5A RCA NOS same date codes (90ma and 92ma)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/6cb5ap1_cdd59bef-20ca-4bf6-910d-6088efec8d6a.jpg?v=1571439292){kind=link}
 (Best Pair) 6CB5A RCA NOS same date codes (90ma and 92ma) "Pin It")