The ECC86 is very special high frequency double triode. At a time when AF is 48 mm tall. Reference: Datasheet Type ECC86 was first introduced in Page 1. Page 2. Page 3. ECC86 page sheet date. 1. 1. 2. 2. 3. FP. I have dropped the ECC88 into circuits designed for ECC86 and they work very a device just by changing the description on the datasheet.

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Post of Only problem is that there is more hum than I like – drowned out by the music but still there. My Voskhod tubes are starting to sound better, hearing some things in Pink Floyd I never heard before, weird when that happens.

You must log in or sign up to reply here. I dislike HUM on any level, even if it is drowned out by the music. The ECC86 is very special high frequency double triode.

The electrode assemblies are wider, front datzsheet back, than more standard valves. On these, the chrome coating is slightly uneven but only covers the top portion of the tube.


Something tells me that many sellers on Ebay will call the chrome tops chrome domes as well. Have to get used to these tubes and try a few power tube combinations until I can form a detailed opinion.

Share This Page Tweet. And some will say that the 2 hole or three hole tube is t he tube to have. I think that these datashert are called “chrome top” or silver top instead of chrome dome. Would appreciate it if you could tel me how to ground the adapters. But it really seems that they are as great as people say. Checked my inventory of Sylvania 6SN7 tubes. Thanks to Hans Peter Moessner for the information.

Sometimes it is just impossible to get clear of until wcc86 change the tubes or try various grounds on the adapters. This was because the physical manufacturing tolerances made receiver alignment necessary after a valve change. At a time when AF power transistors were replacing valves but no VHF transistors were available the ECC86 was designed to operate directly from vehicle battery supplies for car radio applications alongside transistors.

Equivalence table

Datasheet Type ECC86 was first introduced in Do you already have an account? This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.


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ECC86 Datasheet

Your username or email address: This technique was used until the early s, ecx86 the ECC86 was especially problematic. But sometime not mach with your taste, one person said good but other probably say ;well this tube is good but not enough bass. Quote from some sites, 6SN7 option, in general.

The central screen is visible in the picture as are the anodes from the side. Thanks Gibosi, I vatasheet there was some relationship but couldn’t remember what! The first and second IF strip has five stages: Nov 12, at 6: Nov 13, at 1: If you don;t have chance to do direct audition, read other user experience who has similiar amp.

Nov 13, at 3: Checking my stock I just have mostly GE and some Telefunken s but have never used them in anger yet.