(!!) (Best Pair) 6CZ5 RCA black plate 1960's same build (49.5ma and 51ma)
$ 29.99
1 pair) 6CZ5 RCA black plate 1960's
1 tube) 49.5ma Gm=4950 (RCA branded Raytheon)
1 tube) 51.0ma Gm=4900 (RCA branded CBS
(you cannot sub a 6CZ5 for a 6973, see 6973 for more details)
Good NOS mA = 40-45ma
Good NOS Gm = 4500-5000
- Beam Power Tube
See more: vacuum tube
Share:
 (Best Pair) 6CZ5 RCA black plate 1960's same build (49.5ma and 51ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_d9bc3abc-018f-4306-955d-699d1de13b0f.jpg?v=1732230142){kind=link}
 (Best Pair) 6CZ5 RCA black plate 1960's same build (49.5ma and 51ma) "Pin It")