Ecc85 vacuum tube data book

All these links open in a new browser window so that you can return quickly to this page without having to reload. One triode would be used as an rf amplifier and the other as the local oscillator. Only a few types are still used today, mainly in high. At the bottom of this page youll find some links to other tube datasheet sites in case you cant find what youre looking for here. Nuvistors were the latest tube development at just about the same time as the introduction of the first integrated semiconductor circuits. Vacuum tube, electron tube, thermionic valve, valve. Trending price is based on prices over last 90 days.

For reverb driver, we recommend smaller plate 12at7 such as electroharmonix 12at7ehwc. The first nuvistor to be produced by rca was the 7586. This calculator allows you to trace the anode characteristics graph, and to compute and tune loadline and operating point of various vacuum tubes it considers both reactive loads and resistive load. The valve data cdrom contains the following information. Dear sir, please advise the costs of your telefunken ecc85 and shipping costs to hong kong. In electronics, a vacuum tube, electron tube in north america, tube, or thermionic valve or valve in british english is a device controlling electric current through a vacuum in a sealed container. Arranged by subject category, then alphabetically by title. Below is our current selection of 6aq8 ecc85 audio tubes. Vacuum tube, vintage radio and other electronics information. Substitutes are given as a guide only please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your. Versions of the tube are named ecc88, e88cc, 6922, 6n23p, and 6n11. Covers how tubes work and how to design circuits around them, with chapters on class aab1 and ab2b amplifier design, power supplies, and more. The thin glass tube envelope is 21 mm in diameter and, excluding the b9a base pins, is 47 mm tall. Information or data about vacuum tube or thermionic valve pin connections is always useful to have to hand.

The next time you need to re tube your guitar, bass, or hifi amp, be sure to insist on getting authentic electroharmonix tubes. The nuvistor was developed by rca and it was first introduced in 1959. With the wide variety of tubes that are in use there are many. Sep 11, 2014 my personal experience is with the chinese dared mp5 amplifiers which come with 6n1 in the preamp. They differ in the construction of the cathode and the materials used.

Ive replaced quite a few with nos ecc85 and never had issues. Vacuum tube 6aq8 ecc85, dual triode amplified parts. Vacuum tube 6aq8 ecc85, dual triode highmu twin triode. The following list shows the tube types i have entered in my database, with exception of the service types e. Materials and shapes of vacuum tube heaters detailed technical magazine article, 5 pages. Tube data vintage info from the age of vacuum tubes. Vacuum tube 6aq8 ecc85, dual triode antique electronic. This calculator allows you to trace the anode characteristics graph, and to compute and tune loadline and operating point of various vacuum tubes. Radiotron model uv 200 vacuum tube rare experimental use only. My favorite one has date code 8t and single support rod. One of the major ways in which cathodes can be categorised is by the way they are heated.

The simplest vacuum tube, the diode, contains only two elements. The ecc85 is the definitive double triode for the front end stages of fm radio receivers. Wireless world valve data supplement 1940 similar to the 1938 publication above, but this time the data is in the form of manufacturers adverts rather than compiled by the publishers. It considers both reactive loads and resistive load.

The 11v tube may run a little hot, but unless you have an enclosed cabinet full of them i dont think itll be an issue. In addition to the data i have scanned and posted, if youre looking for data on a particular tube you should visit tsdl on duncanamps website, or franks tube data. We also offer low noise option to eliminate potential issues. Data from or other sources as supplied by john atwood.

Smullin gives a comprehensive treatment of all aspects of noise in vacuum tubes. Domestic receiving tubes and their foreign counterparts by. We also hope to illustrate that we know how to identify such fakes, and we will not sell them to our customers. Links to tube data are mostly to the wonderful nj7p tube data site. I am working on posting the rca hb3 tube handbook on line on this. The plain strings are made from the same high carbon steel as the hex cores. Our new ehx strings electroharmonix electric guitar strings are customdesigned to our specifications and made in the usa by a premiere string manufacturer. About vacuum tube data the resource is currently listed in in a single category. If the vacuum is not perfect, and we have seen that it never is, then some gas molecules remain inside the tube. It was designed specifically for the purpose and released in 1954. Universal loadline calculator for vacuum tubes vacuum. Hello all, my school is moving and i was helping my physics teacher, he gave me some things, and today while cleaning a cabinet, i saw a nice little box, then i realized they are tubes, he told me to throw them at the garbage, i took them, 2 nice ecc85 tubes or as they are named in america 6aq8 fabricated by rft, are these tubes usable in radio receivers.

Equivalents books bernard valve and tv tube equivalents. A pdf at the end of a tube description is a link to a pdf of the tubes full data sheet, which generally contains characteristic curves for the device. With the very large number of vacuum tubes or thermionic valves that were produced and as a result of the multiple vacuum tube numbering systems that were in use, there are generally equivalents for most types of tube. It is distinguished by its very high transconductance, mostly the result of its frame grid construction. Eirc electronic tubes factory data sheet ecc8312ax7 page 1 of 4 ecc83 is a.

This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. Nos tube specification sheet nos tube specification sheet. The primary purpose of this page is to educate tube buyers on some deceptive marking and marketing practices that have existed in the tube industry. For use in the phase inverter position, we recommend the triode matched option.

For more information on these vacuum tubes including pinouts, ratings, application and possible. Tube amp capacitors or guitar amp capacitors, our selection currently covers the most commonly used types in vacuum tube amplifier applications. Most have gold plated pins, but many sylvania manufactured 6922s have steel pins a few sylvanias are gold pin. One system prefixes a threedigit number with the letters vt, presumably meaning vacuum tube. Most of these datasheets are in english except where noted otherwise. Beijing brand 6n1 military q level vacuum tube vaive instead of 6h1n ecc85 6h1 6aq8 aa61 ecc40 made in 60s for hifi hiend amplifier audio senior player headphone proamp fever acoustic diy lab 2pcs. Only a few types are still used today, mainly in highpower, highfrequency applications. The 6dj8 is a miniature ninepin medium gain dual triode vacuum tube.

Detailed, complete with plenty of math and drawings. The focus of this amfm stereo tuner project was to optimize the various elements that went into the product. In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. Tube 6ab4 or rohre 6ab4 id3814, triode, vacuum, miniatur7pinbase b7g, usa 1940 and vhf shown. Basics how does a tube work vacuum tube electrodes diode valve tube triode tetrode beam tetrode pentode equivalents pin connections numbering systems valve sockets bases. Vacuum tube theory, a basics tutorial page 4 vacuum tube electrodes the cathode there is a variety of different types of cathode that are used in vacuum tubes. Vacuum tube, electron tube, thermionic valve, valve resources category is a curation of 19 web resources on, what is a vacuum tube, franks electron tube pages, vacuum tube basics.

Valve data cdrom contents uk vintage radio service data. The ecc85 telefunken were installed in my ear 509 monoblocks. Another spot to look, which is especially useful if youre looking for replacement types and tubes with similar bases or characteristics, is the nj7p tube database. Each wound string is precision wrapped with round nickelplated steel onto a high carbon, hexagonshaped steel core. Universal loadline calculator for vacuum tubes vacuum tube. There is also a later book by spangenburg, although. Tube 6aq8 or rohre 6aq8 id3725, double triode, noval, b9a and vhf shown. Substitutes are given as a guide only please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. We also hope to illustrate that we know how to identify such. Tube ecc 85 or rohre ecc85 id407, double triode, noval, b9a and vhf shown. A pdf at the end of a tube description is a link to a pdf of the tube s full data sheet, which generally contains characteristic curves for the device.

Still, an effort was made to accurately determine the bill of material bom costs and the time needed to build the tuner. In14 nixie tube excellent used 100% working in14 14. One thought on ecc85 6aq8 telefunken k m chong june 2, 2015 at 12. Aug 07, 2019 one system prefixes a threedigit number with the letters vt, presumably meaning vacuum tube. Book depository books with free delivery worldwide. The coiled heater wire and the insulation applied to the wire are on the left and enter the bright cathode tube, the emissive coating being confined to the length within the anode. Heater voltage vf 6,3 12,6 v heater current if 300 150 ma. The two independent valves are screened by a rectangular plate across the diameter of the envelope.

I also have date code 85 with dual supporting rods. For more information on these vacuum tubes including pinouts, ratings, application and possible substitutions visit ecc85 in radio museum and 6aq8 ecc85 in duncan amps. For books containing primarily tube data, like sylvania, ge, and rca tube manuals, see the tube data page. Here youll find a modest collection of datasheets for some popular tubes. Many industrial, military or otherwise professional tubes were also produced. Once the tube has been exhausted by a pump, and sealed, the getter is fired either by passing an electric conduction or using an induction heater, which deposits the film on the envelope. Coveted by the audio guys, it also has plenty of info on the. As you would probably expect, its performance is not that great.

Great across the board and doesnt suffer from usual telefunkens thinnes, unless its a standard rod version. Double triode quick reference data anode current ia1,2ma transcoductance s1,6mav amplification 100 heating heating is indirect by ac od dc, with serial or parallel supply. Nov 07, 2012 copper rod version is definitely one of the best ecc85 tubes that ive listened to. Most of the datasheets are in pdf format and some are links to other html pages. A nuvistor is a miniature vacuum tube in a thimble sized metal case. This link is listed in our web site directory since monday sep 30 20, and till today vacuum tube data has been followed for a total of 337 times. Halfwave vacuum rectifier 11 1c1s dy30 1b3gt 121 1c21p dy86, dy87 1s2 22 2c2s 2x2 a. Lifelong vacuum tube amfm novelty transistor radio youtube. Lifelong vacuum tube amfm novelty transistor radio. Resources listed under tube category belongs to technical reference main collection, and get. Copper rod version is definitely one of the best ecc85 tubes that ive listened to.

Ecc8312ax7 page 1 of 4 franks electron tube data sheets. Another interesting fact about these tubes is that pcc85 and ecc85 could be used interchangeably in the majority of places. Herein you will find a collection of vintage engineering texts, vacuum tube datasheets, and other obsolete information, presented free of charge and without annoying advertisements. Did you know that electroharmonix makes many of the worlds greatest vacuum tubes. Retrieved 25 december devices in the low s tend to be transmitter output types, eatasheet in the higher s are not vacuum tubes, but gasfilled rectifiers and thyratronsand those in the s tend to be specialpurpose and highfrequency devices. The main category is vacuum tube resources that is about vacuum tube, electron tube, thermionic valve, valve resources.