(!!) (Recommended Pair) USN-CRC-6AC7=VT-112 RCA 1942-1943 used/very good (9.5/9.6ma) 1-3% matched

1 pair) USN-CRC-6AC7=VT-112 RCA 1942-1943 used/very good - reboxed

1 tube) 9.5ma Gm=8600

1 tube) 9.6ma Gm=8800

Matched on Amplitrex

Good used mA = 8-9ma+

Good used Gm = 8500-9000+

Vplate=300V

Vscreen=150V

Vgrid=-2V

6AC7=1852=VT-112 US Brands

for:

- Mr. Liang Audio 845-3
- Welbourne Laurel IIx SET (WE 300B)
- JAS Bravo 2.3 integrated amp