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ECC85 End of forum contributions about this tube. Lots of makers used them in FM sections, so they rcc85 definitely valuable. Collection of Reinhard Riek D.

RTT Franzis They test better, last longer staying fresh, mostly even between sections. Collection of Ralf Meinke D. Collection of Ekkehard Pfau D. Browse Related Browse Related. Cleaning my personal collection. I’ll have to research the 6AQ8 some more. Jay — Unlike a conventional 12AX7 — where the grid wire is spiral wound around two secure posts, frame grid tubes use grid wire that is many times finer that that of a 12AX7, allowing the grid to get closer to the cathode — which creates the rather large Gm figure that modern frame grid tubes have.

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Telefunken ECC85/6AQ8 – Tube Maze

Log in or Sign up. They test as follow. Number scc85 bids and bid amounts may be slightly out of date. Literature “Telefunken Laborbuch Band 1 Taschenbuch hellblau “. Front end RF tubes operate at high current levels over that which they operate at in audio circuits, which is why they wear out so fast in tuner sections.

Except for heater wiring voltage is 6. If I may chime rcc85, If actually ec85 much better experience with these than an 12AT Collection of Aires Gomes P. To make it work in place of a 12AT7- as long as the power transformer has 6. Do you know for a fact that the tube employs a conventional spiral wound grid? Now could there be some out there, I’d imagine there could though.

Collection of Danko Tkalec HR. Too bad it’s not a plug in replacement Collection of Jacky Parmentier F. There also not a frame grid tube, basically there the same as a 12at7, just pins. Nothing of audio applies at those frequencies, and nothing of RF applies at audio frequencies. Sorry for the inconvenience! Collection of Ottmar Rollmann D. Collection of Guido Pedrali Noy I. As tube performance can vary and.

It will sub for the 6BQ7, as a plug-in. Your name or email address: Collection of Trev Levick D.


6AQ8/ECC85 – Tube Maze

ECC85 any good for audio? By the time anyone could get around to making them quiet for audio work, tubes were gone, and development work was abandoned. We mainly use the Hic Collection of Egon Strampe D. Also shop in Also shop in.

ECC85 any good for audio?

They were handed to you? Up to 10 kg. This tester also is used in conjunction ecc855 a variac to maintain test results accuracy and consistency. Collection of Werner Wussow D. Time for some upgrades in server hardware and software to enhance security and take AK to the next level. Paul Hart of Roswell, GA. Text in other languages may differ.

Telefunken ECC85/6AQ8

Collection of Emilio Focosi I. OneyedKSep 22, Collection of Roland Biesler D. Keg — Invariably, the operating efc85 of the plate structure that is, minus any additional “area” that simply aids cooling is smaller on frame grid tubes, because the grid assembly is so much smaller.

My own collection Hannu Alho.