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TDSL Tube data [ECC85]

Yes, my password is: Collection of Ulrich Fieseler D. Time for some upgrades in server hardware and software to enhance security and take AK to the next level.

Up to 10 kg. Do you know for a fact that the tube employs a conventional spiral wound grid? Remember that these tubes ALL have their roots in RF applications, and things at those frequencies can get really weird. Collection of Georges Werts B. Lots of makers used them in FM sections, so they are definitely valuable. Gm General Mutual Transconductance. Like other RF based tubes, it is a frame grid tube, which is always prone to noise in audio circuits.


You even can look up radio models with a certain tube line up. Therefore, the plate structures may be more of an indicator of application than construction.

Ec85 you already have an account? Both tubes have a top Dimple Disc Getter. 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. Tubes are used unless stated otherwise. You must log in or sign up to reply here.

ECC85 any good for audio?

Also shop in Also shop in. The frame is adequate enough for stability with RF work, but the shifting on the ladder from heating, combined with the cathode formulation used that is not quite as stable, causes the tubes to generate more audio noise. Collection of Michael Wenzel D. By ecc58 time anyone could get around to making them quiet for audio work, tubes were gone, and development work was abandoned.

RTT Franzis Gain is a higher than the 6BQ7, but the loading bias, etc is close enough for a drop-in functional replacement. It seems like they were designed for FM front ends, but is there an audio circuit where this tube can shine?


ECC Vintage Tubes & Tubes Sockets | eBay

Collection of Christian Schaufelberger CH. Paul Hart of Roswell, GA. Please contribute what you can to sales audiokarma.

I have many other types of tubes. With such a small grid, the actual grid noise can theoretically be smaller than with conventional grids. GordonWSep 22, Collection of Emilio Focosi I. See each listing for international shipping options and costs. Now could there ec85 some out there, I’d imagine there could though. This page was last updated: Literature “Telefunken Laborbuch Band 1 Taschenbuch hellblau “.

Thick O getter with dual supports. To make it work in place of a 12AT7- as long as the power transformer has 6. KeggerSep 22, Collection of Bekir Yurdakul F. Collection of Howard Craven GB.

It’d also plug in in place of the 6DJ8, but you’d need to see if the tube biases up in a usable range the transconductance of the 6DJ8 is about twice as high as the 6AQ8. Collection of Marco Lagendijk NL.

We mainly use the Hic