(!!!!!) (Best Overall Pair) EF806S=EF86 Telefunken Germany <> bottom NOS 1965 (4.0mA and 3.9ma) (Same Gm) (Neumann U67, Shindo, Lawson) Title: EF806S Telefunken Germany

1 low noise tube) EF806S=EF86 Telefunken Germany <> bottom NOS 1965 oiriginal boxes

1 tube) 4.0mA Gm=2500 (U1005906A) 1965

1 tube) 3.9mA Gm=2500 (U3115006U) 1965

NOS mA range 2.5-3.0ma+

NOS Gm range 1800-2200

Recommended for:

– Lawson

– Shindo Monbrison Phono preamp

– JADIS JP80MC preamp

– Brauner Microphones VM1

– Microtek UM92.1 mic

– Neumann

– Eastern Electic M520 amp

– Bottlehead Tube Repro 2009

– Neumann U67