Ecc85 vacuum tube data booklet

Fellow radiophiles, in recent discussions with jacob roschy, it has become apparent how popular and versatile the ech81 tube is. Vacuum tube 6aq8 ecc85, dual triode amplified parts. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. I change this directory structure often and your links will not work correctly. Unmarked tube rca ecc856aq8 jan phillips 5814a 12au7. The first nuvistor to be produced by rca was the 7586. Valve data cdrom contents uk vintage radio service data.

Nuvistors were also produced in europe by philipsmullard, siemens and lorenz and in russia. Tube data vintage info from the age of vacuum tubes. We also hope to illustrate that we know how to identify such. 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. Vacuum tube, electron tube, thermionic valve, valve resources category is a curation of 19 web resources on, franks electron tube pages, vacuum tube basics, fun with tubes. A nuvistor is a miniature vacuum tube in a thimble sized metal case. The diode vacuum tube we are about to study is really edisons. These newoldstock vacuum tube specifications are provided as.

Nos ecc856aq8 vacuum tubes for guitar amps and hifi audio. Assorted nos 6aq8ecc85 highmu radio frequency double triodes intended for use as r. After more than a year listening to this fantastic amplifier, it was time to do the first significant improvement to it despite i resisted to modify it after so much work and effort put into the design and build. The tube list at esrc1 vacuum tubes is very extensive, as is our inventory of vacuum tubes, grid caps, sockets, valves and capacitors. 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. The 6f5p triodepentodes are miniature devices enclosed in glass bulb and provided with ninepin base leads and an indirectly heated oxidecoated cathode. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. The 6dj8 is a miniature ninepin medium gain dual triode vacuum tube.

However, it was a weak performer, incapable of producing the big, robust audio for which these radios earned a strong reputation. Vacuum tube 6aq8 ecc85, dual triode antique electronic. Tube 6aq8 or rohre 6aq8 id3725, double triode, noval, b9a and vhf shown. Each wound string is precision wrapped with round nickelplated steel onto a high carbon, hexagonshaped steel core. Resources listed under tube category belongs to technical reference main collection.

When frequency response was measured, it was evident to see that the hf response was lower than expected. 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. This is a suitable replacement for any 5847404a tube type. Free vacuum tube data sheets free vacuum tube substitution.

The ecc85 is the definitive double triode for the front end stages of fm radio receivers. Ecc85 datasheet double triode, pdf, pinout, equivalent, replacement, schematic, manual, data. Shop our great selection of vintage and new production 6aq8, ecc85, 6bq7, 6bz7, 6bc8, 6dt8, 6n1p russian vacuum tubes. With almost datasheets and the visitor counter indicates over 4000. Most of the datasheets are in pdf format and some are links to other html pages.

Our new ehx strings electroharmonix electric guitar strings are customdesigned to our specifications and made in the usa by a premiere string manufacturer. State the advantages, disadvantages, and limitations of the various types of electron tubes. The two independent valves are screened by a rectangular plate across the diameter of the envelope. It should be much faster than the old server at my house. One of the major ways in which cathodes can be categorised is by the way they are heated.

Description the 6f5p triodepentode is designed for operation in vertical sweep units of widely used television receivers. Vacuum tube 6aq8 ecc85, dual triode highmu twin triode. This 19581959 grundig 2066 px amfmsw vacuum tube valve radio was in nice cosmetic condition when i found it on august 18, 2004. Free vacuum tube data sheets free vacuum tube substitution guide manuals free radio tube data manuals free tube base diagrams.

A flat sheet beam is electrostatically deflected across the anode which is. The tube can be used without special precaution against microphonic effects, in amplifiers in which the input voltage is greater than 10 millivolts, when the tube is mounted in the vicinity of a 5 watt loudspeaker with an efficiency of 5% the vox ac4 is the only guitar amp. 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. 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. Only a few types are still used today, mainly in highpower, highfrequency applications.

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. One triode would be used as an rf amplifier and the other as the local oscillator. Versions of the tube are named ecc88, e88cc, 6922, 6n23p, and 6n11. In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. Telefunken nos 6aq8ecc85 highmu radio frequency double triodes intended for use as r. Mullard master valve guide 193334 this interesting booklet gives detailed by early 1930s standards data on the mullard range of radio valves. Vacuum tube, electron tube, thermionic valve, valve. General pentode for output stages of high frequency amplifiers. Many industrial, military or otherwise professional tubes were also produced. The plain strings are made from the same high carbon steel as the hex cores. The owner told me that the socket next to the power tube is the phase inverter and you should use a 12at7. 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. The ecc85 is the definitive double triode for the front end stages of fm radio. 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.

Ecc35cv5696sl7gt mullard 1950 1960s this 6sl7gt sub sounds superior to any us made 6sl7gt. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. It was designed specifically for the purpose and released in 1954. Below is our current selection of 6aq8 ecc85 audio tubes. An impressive manly vacuum tube such as an 807 beam tetrode will have about a 1a filament, so an ordinary laptop adapter should be able to power at least 9 tubes check the nameplate rating and the tube datasheets and add maybe 30% margin. Ecc85 telefunken double triode, diamond bottom, bulk packaging. They differ in the construction of the cathode and the materials used. A few specialquality tubes did not have a standard equivalent, e. I need a basic primer on interpreting vacuum tube datasheets. 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. 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. Jacob has used it in many of his transmitter and receiver designs. The booklet appears to have been intended primarily for home constructors the aim was clearly to sell valves. Tube depot carries a selection of 6dj8 6922 ecc88 e88cc cv2492 pre amp vacuum tubes.