(!) 5687 RCA black plates used/good 1961 (33/33.5ma)
$ 29.99
1 low noise tube) 5687 RCA black plates used/good 1961
33.0ma Gm=9400
33.5ma Gm=9800
Recommended for
Manley
Modwright
Audio Note
Ray Samuels
Ayon
Kondo
Mastersound
Audio Thrills
Loth
See more: vacuum tube
Share:
 5687 RCA black plates used/good 1961 (33/33.5ma) "Pin It")
 5687 RCA black plates used/good 1961 (33/33.5ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_cd21ba51-c6f0-4a28-8f0e-cfd669b9e1f2.jpg?v=1745384099){kind=link}