Marconi B36 , FD 4 , Metal Base Valve x1Tested workingThese items will be well packed for UK, Worldwide ShippingPlease do not hesitate to ask any questions. Thank you

Marconi B36 , FD 4 , Metal Base Valve x1Tested workingThese items will be well packed for UK, Worldwide ShippingPlease do not hesitate to ask any questions. Thank you

Marconi B36 , GG 4 , Metal Base Valve x1Tested workingThese items will be well packed for UK, Worldwide ShippingPlease do not hesitate to ask any questions. Thank you

Osram B36 , HK 4 ,Metal Base Valve x1Tested workingThese items will be well packed for UK, Worldwide ShippingPlease do not hesitate to ask any questions. Thank you

2x Osram B36 Valves Date Code: KJ (1954), KK (1954) Tested by AVO VCM Tester Valve 1 Ia1 = 8.2(mA), gm1 = 2.8(mA/V) Ia2 = 8(mA), gm2 = 2.8(mA/V) Valve 2 Ia1 = 9.8(mA), gm1 = 2.8(mA/V) Ia2 = 10.5(mA), gm2 = 3(mA/V) NOS specification: Ia = 9(mA), gm = 2.6(mA/V) *** This valve has also been tested in amplifier without any noise. *** Postage Costs I am happy to post this item to worldwide and combine postage cost on multiple purchases. 20230522L014

A set of three Osram B36 double triodes, tested full output 9mA/V well matched, sold as used, tight metal bases,

Marconi B36 , FD 4 , Metal Base Valve x1Tested workingThese items will be well packed for UK, Worldwide ShippingPlease do not hesitate to ask any questions. Thank you

Marconi B36 , GG 4 , Metal Base Valve x1Tested workingThese items will be well packed for UK, Worldwide ShippingPlease do not hesitate to ask any questions. Thank you

Osram B36 , KH 4 , Brown Base Valve x1Tested workingThese items will be well packed for UK, Worldwide ShippingPlease do not hesitate to ask any questions. Thank you

Osram B36 , HK 4 ,Metal Base Valve x1Tested workingThese items will be well packed for UK, Worldwide ShippingPlease do not hesitate to ask any questions. Thank you

Marconi B36 , FD 4 , Metal Base Valve x1Tested workingThese items will be well packed for UK, Worldwide ShippingPlease do not hesitate to ask any questions. Thank you

Osram /Marconi B36 CV925 Metal Base x6 Valves TubesFor Quad Leak Decca Valve Tube AmplifiersVery Rare Osram & Marconi B36 x6 Valves Tubes - Made In EnglandAll Valves Tested Working - Rare Set of B36 Metal Base Valves Worldwide Postage The B36 is an audio double triode with a 12.6?Volt heater. It is a British (M-OV) copy of the American 12SN7.The construction uses a glass pinch and two separate electrode structures are visible within the glass.The B36 was designed for audio applications and the valve has independent cathodes. The B65 differs only in heater voltage and current.The wide glass tube envelope is 28?mm in diameter and excluding the IO base pin length, stands 71?mm high.References: Data-sheet & 1040. Type B36 was first introduced in 1948. See also 1948 adverts.

Osram /Marconi B36 CV925 Metal Base x6 Valves TubesFor Quad Leak Decca Valve Tube AmplifiersVery Rare Osram & Marconi B36 x6 Valves Tubes - Made In EnglandAll Valves Tested Working - Rare Set of B36 Metal Base Valves Worldwide Postage The B36 is an audio double triode with a 12.6?Volt heater. It is a British (M-OV) copy of the American 12SN7.The construction uses a glass pinch and two separate electrode structures are visible within the glass.The B36 was designed for audio applications and the valve has independent cathodes. The B65 differs only in heater voltage and current.The wide glass tube envelope is 28?mm in diameter and excluding the IO base pin length, stands 71?mm high.References: Data-sheet & 1040. Type B36 was first introduced in 1948. See also 1948 adverts.

Osram, Marconi Grey Glass B36 Metal Base Valves x6Tested workingThese items will be well packed for UK, Worldwide ShippingPlease do not hesitate to ask any questions. Thank you