(Pair) 6AC7=1852 Ken Rad used/strong 1940”s (9.6/10ma)

1 pair) JAN-CKR-6AC7=1852 Ken Rad NOS used/strong 1940”s

1 tube) 9.6ma Gm=8700

1 tube) 10ma Gm=9200

Matched on Amplitrex

Good Ma = 7-10ma

Good Gm = 8000-10000

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