1 low noise tube)  5814A RCA black plates used/good 1964

7.2ma Gm=1700

8.4ma Gm=2000

Recommended for

- Woo Audio WA4 headphone amp

- Bottlehead Crack

- Bottlehead Foreplay

- CJ PV12

- Jadis amp

- Unison Research Unico-P 2005

- Einstein preamp

- Head-Direct EF1 Hybrid Headphone Amp 2008