Class, Va, Vg2, Vg1, Ia, Ig2, Ra, S, Rk, Zout, Pout, THD. Triode, , , , 62,, A S/E pentode, , , -7, 36, 6, 48,, 10, , 5,, , ECL86 Datasheet PDF Download – Triode Pentode, ECL86 data sheet. I’m doing some research for a small ECL86/6GW8 build (basically a Magnatone M2/M4 sans vibrato/reverb). In reading the datasheet.

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I thought that was a decent price for NOS Telefunkens. Well sure I guess because alot of european radios used them there may be a following. This could really help some us with amps that use these tubes if it adtasheet work. No, create an account now. The real danger here is At which point I’ll see if I can find 4 that match out of my spares.

Tom BavisDec 1, Jim McShaneDec 1, One of my favorite old guitar amps has an obscure set but over time Ive scrounged Four full NOS sets. Thanks for the advice!

TDSL Tube data [ECL86]

Also, I suspect that we collectors will not be wearing out a set of output tubes in our lifetime. You’re right about not going through a lot of output tubes though. Do you already have an account? Yes, my password is: The only change that might have to be done, may be the cathode bias resistor value Looks like the only sub for the 6BM8, is the 6HC8.


You must log in or sign up to reply here. Your name or email address: Log in or Sign up. But new Russian 6BM8s are still available There is no sub listed for the 6GW8.

6GW8 / ECL86 NOS

I’ve attached data sheets for both tubes. Why do you need to sub? It’s just annoying to know that there’s a finite supply of a given tube out there. Hi all, I have a vintage pioneer receiver that uses 6GW8 output tubes, which are no longer manufactured. Let’s face it, we love to rotate our stuff, don’t you too? I dont think its to the point of scrounging subs though.

Substituting 6BM8s for 6GW8s has been done, in some jukebox and organ amp retro-fits.

Since it was more popular in Europe, the best place to look would be the Bay or even one of the Eurobay sites. Share This Page Tweet. I just perused a quad of early NOS Phillips there. I counted over 30 available on US Ebay right now. Well, in all honesty a have a couple of backup sets of used but good 6GW8’s, but I figured if it was possible to switch over to a current production tube why not?

GordonWDec 3, They’ll swim by one by one. I see that the 6BM8 is a very similar tube with different pinout. My Telefunken Princess Radio uses 2 of these for output. From what I hear they usually last a couple thousand hours or more, which would take me years to rack up. And, we often will find an “Update” to our collection. Once you go Telefunken, Valvo, or Mullard you’ll never go back.


Id say buy enough to last your lifetime, maybe datasheer and forget about it.

ECL86 @ The Valve Museum

No burn marked or anything of the like, shiny looking plates and pins etc My main system is solid state and it takes the high-hour load of movies and background music during gatherings etc Yes, it will work. GordonWDec 1, If they’re used they’re very low hours.

Some will claim that you lose just a tad of power, but probably not anything significant Change the value to put the 6BM8 into about the same idle current as the 6GW8 originally would have Very nice people to deal with, honest, quick and reasonably priced.

But I guess that comes with the territory when you’re talking about vintage tube stuff. I haven’t tested them yet and probably won’t until I need them. Would it be possible to use them as a 6GW8 substitute without doing any modifications besides changing socket pinout?

I can sure relate to the feeling of hard to find tubes though. Discussion dataseet ‘ Tube Audio ‘ started by rajuncajunNov 30,