VERY HARD TO FIND : 2x NEW TUBES IN ORIGINAL BOX.

Heater : 4,5v @ 0.85A (can be used from 4.0v to 5.5v to grade performance despite life services).

High voltage : 400v max.

Plate dissipation : 10 watts (plate test : 16watts).

Ri = 5.5k Ohms

S = 0.9mA/v

µ = 5

Heater is thoriated tungsten filament (same type as 10 10Y VT25a)

LEGENDARY tube for valve amplifier

https://www.radiomuseum.org/tubes/tube_e27a.html

https://www.radiomuseum.org/tubes/tube_ls5.html

Lampe Valve Valvola Valvula Röhre チューブがぶ飲みが します type : Triode power output or preamp tube amp

Quantity :  2 Tubes (same as E27a SFR, LS 5 LS5a LS5b MARCONI GECOVALVE OSRAM GEC MOV, TMBF1, R86, R80, 101d, 4606... )

Can be used for power triode amp with finest double c-core parmeko / Gardners / Greshams/ Lampizator / Freed / Partridge transformer / Bendix / Choke as VT24 GPO , CV1636, 300b, 2a3, 45, 46, 50, VT-52, 300B, 205D, R120, VT25, 10Y, RS242, PTT3, 101d, R120...

Nice for single ended tube amp , pusch pull or old radio.

CONTACT ME FOR QUESTIONS

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