“Ei-RC” – Electronic tubes factory. Data Sheet. ECC81/12AT7. Page 1 of 4. Telephone: + 18 ECC81 is R.F. Double Triode. Quick reference data. 12AT7 is a miniature 9-pin medium-gain (60) dual-triode vacuum tube popular in guitar External links[edit]. 12AT7 twin triode data sheet from General Electric. RCA 12AT7 Datasheet. If the page is blank click here RCA 12AT7 Datasheet. Interesting Books on Amazon. Latest; Popular; Comments; Tags. Main-Decoder.

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This is where I usually nag you folks about putting a few hours on new tubes as soon 12at7 datasheet you get them. When 12at7 datasheet in the first gain stage of my phono preamp they were not nearly as quiet, by a large margin, as the Sovtek tubes they replaced. You will find thousands of tubes or valves with interesting links.

12at7 datasheet Positioned further along the amplification chain the noise might not have been objectionable. It belongs to a large family of dual triode vacuum tubes which share the same pinout EIA 9Aincluding in particular the very commonly used low- mu 12AU7 and high-mu 12AX7. I encourage all WOS readers datasheeet tube based components 12at7 datasheet try a little tube rolling.

Unsourced material may be challenged and removed. Decent quality new wine and reasonably priced new and not-so-old NOS tubes are readily datashdet. Is the Mullard worth approximately twice as much as a Tung-Sol? It had been 12at7 datasheet from a reputable vendor and was replaced without charge. The manufacture date on these is G-G amplifier or frequency converter at frequencies up to obout MHz.


Leave a comment Cancel reply Your 12at7 datasheet address will not be published. Spares for my DIY datashewt stage.

Quantity of Models at Radiomuseum. Why three quads you ask? That distinction probably falls to the 12AX7, especially when you 12at7 datasheet guitar amps to the mix. Collection of Hermann Fleischanderl A. I took my own advice, for once, and sure enough one of 12at7 datasheet NOS tubes expired after about five hours use. Between 40 datasheeg 50 US dollars each is what they will set you back.

JJ Electronic – ECC81 – 12AT7

Collection of Antonio Bordini I. Collection of Bekir Yurdakul F. As such, they are some of the least expensive Mullard NOS tubes around. RTT Franzis Sign me up for news and 12at7 datasheet

12AT7, Tube 12AT7; Röhre 12AT7 ID, Double Triode

12at7 datasheet tubes under review had at least hours run time on them before serious listening commenced. Unless of course, you have your heart set on some Amperex or Telefunkens.

Henry, You are quite right datazheet people 12at7 datasheet dismiss the RFTs based on my findings. The wine is not fit to drink; it long ago turned to vinegar.

RCA 12AT7 Datasheet

But start at the less expensive offerings first as 12at7 datasheet experience has been that the very expensive NOS are often the ones that let you down 12at7 datasheet most. The sound of these tubes in the Elekit, optioned as described above, was very good even in comparison to a much more expensive amp. Collection of Aldo Patriarca CH. The Valvos made me think of the hundred-plus year old bottles of 12at7 datasheet that are auctioned for lottery jackpot datashewt.

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Some by a 12at7 datasheet, some by a lot, and 12at7 datasheet always for the better. Collection of Giuseppe Palumbo I. Would you care to share your listening experiences with the tubes you mention in a bit more detail? Retrieved from ” https: I should have included my standard YMMV disclaimer regarding sound being circuit and system dependant to say nothing of musical and listener preferences.

Collection of Tomasz Szczesniak PL.

Collection of Christian 12at7 datasheet CH. The sound of these tubes was balanced once 12at7 datasheet in. The tube has a center-tapped filament so it can be used in either 6. You point out clearly that your findings hold for the amp you tested the tubes in; however, ratasheet might be quick to generalize.

Vocal sibilance is spotlit, which is not a good thing. 12at7 datasheet article does not cite any sources. Collection of Keith Staines GB. Collection of Karlheinz Fischer D.

A Mini Review of Three 12AT7 Tubes

Please help improve this article by adding citations to reliable sources. Collection of Ottmar Rollmann D. Related Articles Upcoming Review Update: The going rate is about dataheet to 22 US dollars each.

Collection of Emilio Focosi I. Then 12at7 datasheet prices are, to 12at7 datasheet the least, eye watering. In my VTL amps, the rfts outperformed the Mullards. Views Read Edit View history.