8874 Ceramic Tubes

Operation with zero bias simplifies circuitry and cathode driven operation is attractive since a.

8874 ceramic tubes.

This is for your protection and peace of mind as well as ours. Svetlana is considerably cheaper from rf parts. 3cx1500u7 8962 3cx1500c7 yu209 transmitting tube yu209 3cx1500a7 8877 eimac nos 3cx10000b7 3cx1500a7 ei transmitting tube 3cx1500a7 8877 eimac 3cx10000h3 ei nos tube transmitting eimac 3cx10000h3 yu158 transmitting tube yu 158 8877 eimac nos 3cx1200z7 tube transmitting eimac yu181 3cx2500f3 transmitting tube svetlana 8251 yu108 3cx4500f3 transmitting tube metal. Price is 325 00 each plus 10 00 shipping.

These tubes are the exact replacement tubes used in the alpha 76 alpha 78 and the alpha 374 classic amps. Each tube will have a warranty sheet but as dependable as these svetlana 8874 tubes are proving to be you will likely never need the warranty anyway. The 8874 3cx400a7 is a triode tube can be used in broadcast and is desired for their simple yet highly stable design. Hi bob and chris why not just stick an 8874 in it.

It is electrically the same tube and plugs in the socket. Ceramic tubes with thoriated tungsten electron emitters have much longer life and higher reliability than any other type of power grid tube as a general rule. 2 pcs custom anode connector for eimac 4cx250b 4cx350a 8874 3cx400a7 and others unspecified. These are readily available from eimac and svetlana.

Unlike fiberglass and silica this sleeving won t irritate skin so it s easier to handle. The ceramic fabric also resists acids alkalies alcohol solvents oil and gasoline. Ceramic thermocouple tubes are used to manufacture temperature measurement and control devices and are designed with alumina or silicate ceramics. They combine the best of both worlds having the low seal leakage and low out gassing typical of ceramic external anode tubes and the rugged wider spaced high dissipation grids.

They are available as multi bore tubes for use as rtd resistor temperature sensors and resister thermometers rtd resistance temperature device. Fixed price 10 00. The svetlana 8874s are in my alpha 76 and have several hundred hours so far and are working out just fine. It withstands open flame and molten metal splash making it a good choice for welding applications.

They will also fit glass types like 811a 572b etc. These are used with 4cx250b 4cx350a and 8874 families of tubes. Because this sleeving is non expandable it does not stretch so it s best for applications where you know the. We have a great online selection at the lowest prices with fast free shipping on many items.