(!!!!) (Recommended Pair) EF86 Telefunken Germany <> bottom NOS gray shield 1972 1-2% matched (3.1ma and 3.1ma) (Neumann, Lawson, Soundelux, Manley)
1 matched pair) EF86 Telefunken Germany <> bottom gray shield NOS
(72-06=1972) same date codes in white boxes from Telefunken factory case
with Eagle Crest logo - 1% matched - very good printing
1 tube) 3.1ma Gm=2200
1 tube) 3.1ma Gm=2100
Best you can buy
Tested on Amplitrex
Good Ma range 2.6-3.5ma
Good Gm range 1800-2200
Recommended for
- Microtek Gefell UM92S
- Eastern Electric M520 amp
- VOX AC10
- Soundelux U99 [ LUCKY DEVIL SOUND (Oakland, CA) ]
- Neumann U47, U48, U67
- Manley Baby Tube mic
- Lawson L47MP
- Microtek UM92.1S mic [ CATFISH STUDIO (Lombard, IL) ]
- U67 [Sugar Hill Recording Studios (Houston, TX) "Abbey Road of the South" ]
- U67 (Bucbonera Records SL, Spain)
- U67 [ Retromedia Sound Studios (Red Bank, NJ)]
- Blue Bottle [Vertigo Sound Lab (Boulder, CO)]
- U47 [ Kyle Homme (Orange, CA)]
- Shindo Monbrison Phono preamp
- JADIS JP80MC preamp
 (Recommended Pair) EF86 Telefunken Germany <> bottom NOS gray shield 1972 1-2% matched (3.1ma and 3.1ma) (Neumann, Lawson, Soundelux, Manley)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_a82d2854-c7d3-4c0c-9bae-57f52153a327.jpg?v=1673910858){kind=link}
 (Recommended Pair) EF86 Telefunken Germany <> bottom NOS gray shield 1972 1-2% matched (3.1ma and 3.1ma) (Neumann, Lawson, Soundelux, Manley) "Pin It")