(!!!!!) (Best Overall Pair #2) EF806S=EF86 Telefunken Germany <> bottom NOS 1965 same date codes (4.1mA and 4.2ma) (Close Gm) (Neumann U67, Shindo, Lawson) Title: EF806S Telefunken Germany

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

1 tube) 4.1mA Gm=2600 (U3115006U) 1965

1 tube) 4.2mA Gm=2500 (U3115006U) 1965

NOS mA range 2.5-3.0ma+

NOS Gm range 1800-2200

Recommended for:

– Lawson

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– Neumann U67