1 pair) JTL-5654=6AK5W Tungsol gray plate "D" getter used/good in white boxes

1 tube) 6.4ma Gm=4100 (1956)

1 tube) 6.5ma Gm=4400 (1957)

Matched on Amplitrex

Good Ma = 5.5 - 7ma

Good Gm = 4000-5100

Recommended for:

Little Dot MKII Headphone amp
Little Dot MKIII Headphone amp
Little Dot MKIV SE headphone amp
Little Dot Hybrid I+
Yaqin CD 2
Yaqin MS34D 2009
Yaqin MS20L Integrated amp
CAD Trion 8000 Multi-Pattern Studio Tube Microphone (sub for 6J1P)
Hifiman EF2 USB Headphone Amplifier
Darkvoice 332
Beez Neez Mahalia Microphone
Yamamoto CA-04 preamp
Telefunken CU-29 Copperhead Mic
Maverick Audio A1 amp
LAMM ML-2 amp 1999