BIG TUBES

[bigred222]

hows this for a tube, anyone got pics of anything bigger please post i think eimac makes a 200,000 watt tube but ive never seen pictures

 

[buckwhite]

whats the hose clamp for??? :roll:

 

[Toll_Free]

hows this for a tube, anyone got pics of anything bigger please post i think eimac makes a 200,000 watt tube but ive never seen pictures

Eimac makes up to the 4CM400,000. It's rated to 1.2 million output.


--Toll_Free

 

[Captain Kilowatt]

You mean This One?

 

[funbiz99]

no hose clamps here

 

[bigred222]

WOW THATS ONE HUGE TUBE 1.2 million watts. Is that for commercial use only???? what do you have to use to power that sucker.

 

[Captain Kilowatt]

How about One Megawatt plate dissapation.The filament takes 16.3 volts at 600 amps. :shock: Now that's powwwwwaaaaa.

 

[funbiz99]

this one you can have now!!!

http://cgi.ebay.com/Eimac-4CX35000C...ryZ48710QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

 

[Captain Kilowatt]

I wonder how he figures the tube is good for 100,000 watts CW.He tested it in a Harris MW50B transmitter that will only put out around 55,000 watts MAX.Broadcast TX'ers will only put out 110% of rated power by design. :? I would also be wary of the "good for 55,000 watts at 125% mod" claim also. Broadcast pulls are good but not that good.That spec is what a new tube will do.

 

[davegrantsr]

QRN, the guy HAS to be a CBer.....where'd he steal-i mean get-10 more of them.....

 

[Captain Kilowatt]

I suspect he is a commercial broadcast engineer of a friend of one.The TX he claims the tubes were tested in is a commercial AM broadcast TX and it is quite common to have several old tubes laying around the tX site that were pulled from service when the power output dropped. Old tubes are kept to use in the event of a major malfunction,lightning strike etc. that caused the main tubes to blow. Old ones are put back in to test things out so you don't ruin a new set.