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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At a time when AF power transistors were replacing valves datashheet no VHF transistors were available the ECC86 was designed to operate directly from vehicle battery supplies for car radio applications alongside transistors. Vacuum Tube Rolling Guide. I know it is still there in the background and that is the part that bothers me.

Post of You must log in or sign up to reply here. Share This Page Tweet. Nov 13, at 5: I think that these types are called “chrome top” or silver top instead of chrome dome. They sound very good, kind datasheft on steroids – they have more of everything.

The AF pre-amplifier uses the EF98 connected as a tetrode a and g3 connected together which is transformer coupled to an OC30 driver stage. That is, there is not a nice clean line between the chrome splash and clear glass, and it is very uneven. My Voskhod tubes are starting to sound better, hearing some things in Pink Floyd I never heard before, weird when that happens.

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But it really seems that they are as great as people say. Headphone Reviews and Discussion – Head-Fi. Found one real chrome dome frombut the other tubes I have fromand with a chrome top are not chrome domes.

ECC86 Datasheet PDF –

If you don;t have chance to do direct audition, read other user experience who has similiar amp. Sometimes it is just impossible to get clear of until you change the tubes or try various grounds on the adapters.

Nov 12, at 6: The Philips Paladin car radio used these devices and could operate from the then common six volt vehicle supplies as well as the then newer standard of 12 Volts. In the early days of European transistors the Mullard Philips naming convention was still used.

Datasheet Type ECC86 was first introduced in Little Dot Tube Amps: This technique was used until the early s, but the ECC86 was especially problematic.

By continuing to use this site, you are consenting to our use of cookies. How long do these take to sound their best – not a hundred hours like the Ruskies I hope. The AF output stage used 2 OC30s in push pull. Something tells ecc886 that many sellers on Ebay will call the chrome tops chrome domes as well. Checking my stock I just have mostly GE and some Telefunken s but have never used them in anger ecc6.

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This was because the physical manufacturing tolerances made receiver alignment necessary after a valve change. Nov 13, at Only problem is that there is more hum than I like – drowned out by the music but still there. Two Germanium OA72 diodes act as demodulator. Dataeheet, try directly in your system,listen the sound is the best way.

This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. The ECC86 is very special high frequency double triode. Do you already have an account? However, with these Cg3 eecc86 the hum appears much earlier, even at normal listening levels. Yes, my password is: Depends on how many you have to sell I guess Nov 13, at 3: Quote from some sites, 6SN7 option, in general.

(PDF) ECC86 Datasheet download

Checked my inventory of Sylvania 6SN7 tubes. Your username or email address: On these, the chrome coating is slightly uneven but only covers the top portion of the tube. Thanks Gibosi, I thought there was some relationship but couldn’t remember what!

The electrode assemblies are wider, front to back, than more standard valves. Nov 13, at 1: The first and second IF strip has five stages: Anyhow, I am now in C3g land and exploring.