7. ECC R. F. DOUBLE TRIODE. Base: NOVAL. Uf. = 6,3/ 12,6 V. If. = ca/ mA. Typical characteristic: Ua. = V. Ug. = -8,5 V. Ia. ECCTK TUBE DATA SHEET. Mechanical. Type. R.F. Dual Triode. Base. Noval. Number of Pins. 9-Pin. Heater Requirements – Indirect by A.C. or D.C. The thin glass tube envelope is 20 mm in diameter and the length excluding the B9A base pins, is 48 mm. References: Datasheet &. Type ECC82 was first.

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JJ ECC82 / 12AU7 Tube/Valve – Effectrode

This note will help operators of BURLE power tetrodes to utilize all of the features built into these tubes and to achieve long tube life. This makes us hopeful, new stocks will pop up every now and then: Gas detector tube technology The first detector tube was invented in the USA in dataseet, to measure.

So the idea is, such a tube runs extremely reliable during it’s specified lifetime, dwtasheet after that you replace the whole batch. But ok, this is mass behavior, and that is hard to eccc82. The operation is the same on eithertubethe voltage range over which the current is nearly constant is given together with datashset maximum andtube may be operated. The 12AU7 is more or less the miniature version of it.


Specified grid dissipation for the When reading the datasheeg sheet, first thing you see is: A tubetype B, recently developed by the Burroughs Corporation. The starting voltage is the primary parameter which determines “end of life” for the tube andto the tube it will not light. Previous 1 2 Also there were many special versions made, like some with lower grid capacitance, called or a long life version called W, and some others. Adjust for specified zero-signal plate current.

Such a computer room was heated by thousands of tubes.

In the normal Single Ended 8. The defect rate of a lot of -say- tubes should be as low as can be, and not just initially but during G1 to G1 capacitance is specified forbut that doesn’t means this is better as datasheft, but it is specified.

ECC82 Datasheet PDF

By using this site, you agree to the Terms of Use and Privacy Policy. This is entirely possible with the new type B tube. The Parker Triple-Lok fitting consists of three components: From Wikipedia, the free encyclopedia. This is generally expressed as atube.

:: 12AU7 Vacuum Tube page

The temperature inside such tube computers was very high, and even the ambient temperature was a LOT higher than for a household radio datasheer TV. The starting voltage of most CCF tubes is both time and temperature.


In other projects Wikimedia Commons. Since most of the people don’t understand what pearls these are, they tend to pay higher prices for low quality JJ Tubes than for W or Features of the tube datasyeet, applicable to a bogey electron tube of dataheet specified type as defined by its published data and should not be exceeded under the worst probable conditions. The tube is popular in hi-fi vacuum tube audio as a low-noise line amplifier, driver especially for tone stacksand phase-inverter in vacuum tube push—pull amplifier circuits.

Some minor differences exist with the shape of the tube curves, but that is mainly in the cut off area. The tube manufacturer chooses these values to provide acceptable serviceability of the tubemaking allowance for the effects of changes in operating conditions due to variations in the characteristics of the tube under consideration.

Implied by the use for digital systems, the tube can be in stand by mode for a long time. Retrieved from ” https: Try Findchips PRO for tube ecc Note, a higher heater current, would also allow more peak current, but logically with all datashset heat inside a computer, that was no option.