GECOVALVE PX4

1.800,00


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Availability: yes
Shipping on: 26 Nov 2019
Product code NOSPX0002
Category 10-VT25-50-PX4-100TH
Brand G & C
Availability yes
Attachments:

DATASHEET

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Marchio: MARCONI

Tipologia: PX4

Produttore/stabilimento: MARCONI OSRAM GB

Codice di produzione

Data di produzione: anni30/40

 

Confezione originale : no

Absolutely rare at the time of publication not ONE for sale in the world and here we have a couple !!!

 

Beautiful, never used, absolutely perfect, with even the original label attached to the glass.

 

Suitable for those who are able to build an amplifier around them, as often happens in the valves of that era have different emissions so they must be "sewn" on them a suitable suit.

 

As can be seen from the attachments in the photo gallery to obtain similar values (100%) of emission, after having chosen a work point one of the two needs of different grid tension values

 

Therefore a complete test with values and curves is attached (visible in the photo gallery).
PLEASE PURCHASE IT ONLY IF YOU WILL BE ABLE TO USE IT ACCORDING TO THE DATA PROVIDED

 

PRICE FOR PAIR

 


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