KT a. f. beam pentode. Base: OCTAL. Uf = 6,3 V. If = 1, 6 a. Typical Characteristics: Ua. = V. Ug2. = V. Ia. = ma. Ig2. = max. KT BEAM PENTODE. V INDIRECTLY HEATED. ISSUE 2. MARCH, The KT88 has an anode dissipation of and is primarily designed for the. given as a guide only – please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. KT88 Ratings.

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They’re low cost and much better than KT A far cry from the import of Eastern European valves decades ago when they were just marked Foreign. They get away with that, and they know it.

For the less good ones there is a nice market, on auction web sites, where fast delivery counts mainly for good product feedback. You are looking for troubles? This page was last edited on 6 Mayat This tube has some electrical resemblance with the German Datsheet So on the one hand it is good they provided that information, at least they say the tubes comply with something.

It is just the so called test data is for the birds. I tried to contact the Russian Svetlana but very quickly I was in contact with several people, in totally different locations, who all claim to be the sales manager and are in charge for collecting the money.


Datashest KT88 labelled G. The KT88 fits a standard eight-pin octal socket and has similar pinout and applications as the 6L6 and EL The tube back to contents. They think you must be pretty stupid. Beautiful coke bottle glass, and perfect pentode inside.

KT88 Datasheet PDF

The difference datasneet just another jacket. GU50 is extremely strong and very low distortion. It is clearly visible that this getter has gray edges.

Also the rings around the getter flash show that there is some gas in the tube. C tubes look like. Well, and as things are with competition, they tried another solution, called the beam tetrode.

All I can say is: This is a picture of dwtasheet TT After many rounds of discussions, I got the following stupid answer from Mr.

Brimar KT88 – Brimar Thermionic Products – Official Site

They supply not really cheap, but for that you get perfect material. I am sorry but this is how things are. I have sold the New Sensor for some years, and I was extremely disappointed by those. So take it or leave it”.


Much different from the fragile KT88 glass. To my opinion the most reliable. Definitely the use of carbon is not recommended.

If you believe it, you come in tube heaven. After that AL4 was developed.

KT88 – Wikipedia

I have seen many tube curves made with that. It was and still is the tube brand of Richardson Electronics.

Quality is very good. Here is as far as I can reconstruct what happened.

Model: BTP-KT88

Every self-respecting faker has “finest” KT88 for sale, and his own brand. However when you know the Chinese better you will learn that the way to get quality from them is hard, very very hard, and impossible for most.

Buying from them is Russian roulette. The infamous KT94 and KT Of course you can change the shape by hand. This is not air leaking kt8 the inside, but this is plate out gassing which causes this coloring. All I know is, they damage quickly. Better than the tubes itself. Another very raw fake.