Ech21 tube data book

Best of youtube music sports gaming movies tv shows news live fashion spotlight 360 video browse channels sign in to like videos, comment, and subscribe. The stock tube that comes with the cv5 is a highquality phillips 6111 tube that has a heater current of 300ma. To determine what you cannot read, and also to understand what you can read, here is an explanation of the mullard tube type numbering system introduced in the early nineteenthirties, and used widely in europe. Those who need more comprehensive information on the complete range of mullard valves and tubes are invited to subscribe to the.

We carry over 5,000 radio and vacuum tubes in stock every day and we ship world wide. Audio cables free delivery possible on eligible purchases. If you want to relive your antique radio, then you are at the right spot. E80cf, e83f, 5x ef80, ez80, pcl82, 85a2 gm6012 2,047,855 bytes philips. Details of this service and further data on individual types may be obtained from this depart ment. Data and circuitry resulting from this work are distributed by the electronic. Ac2 triode for use as af amplifier or as oscillator together with an ah1 mixer. In a few cases, when the 1966 edition omitted graphics on obsolete tubes, i inserted scans from the 1948 ginkins reference book.

It has, of course, only been possible to include abridged technical data but this should be adequate for normal requirements. I have an old finnish book which has a cross reference table of european an american tubes. This 1960 tube caddy below book also includes all tube numbers from all over the world. Eaf801 unsorted diodepentode radio tube at 8 ht on. Amplimite hdp20 series te connectivity amp connectors. Ebc91 ebch12 page 10 ebl21 ec52 ec90 hc91 ec92 ecc32 ecc33 ecc34 ecc35 ecc40 ecc91 ech3 ech21 ech35 ef9 ef22 ef37a ef39 ef40 ef41 ef42 ef50 ef55 ef92 ef93 ef94 ef9s ek90 el32 el33 el36 el37 el38 el4i el42 el83 el85 el86. Type 40 short info for a lot of radios sold in the netherlands 19281952 updated. The ech21 is an early all glass triode heptode frequency changer for radio and the design dates to the late. Please see the substitutes at the top of the page for more details. Data sheet 1description plcrs21 relay modules, which can be used universally, comprise 6. Ech4 ct8based triodeheptode oscillatormixer, ech21 with a different. The b8b base has short equispaced pins and a metal spigot for alignment, to cover the envelope seal and act as pin 9 for the cathode, g5 and the internal screen. Three factors will be used to determine if the test is met are.

Antique radio forums view topic european tube cross to. Ech21 uch21 tungsram ua55 tungsram power rectifier vcr522 uch21 tube ua55 tungsram gelijkrichter. In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. The data book has been prepared by central technical services, mullard ltd. You can use the search to find service types or go to the service type lists that you can access from the page more tube related stuff. Here you can find diodes, pentodes, tuning indicators, triodes, duodiodes, duotriodes and so on to restaure or update your old radio and give him a new life. Raytheon nos 6832 dual triode tube for use with the cv5.

Dsp56800 features microprocessor architecture programming motorola memory data book. Sheet 8 is a shorts list that allows you to determine which tube elements are shorted by looking at a chart. European tubes preamp, power, tuning eyes scroll down page to check. This system is very descriptive of what type of device triode, diode, pentode etc. Ef50n ech21, ez2 user manual gm6005 1,321,699 bytes nl philips lf milivoltmeter using. The equivalents list may be removed from the main book if desired. The ech21 is an early all glass triode heptode frequency changer for radio and the design dates to the late 1940s. Tube sockets are electrical sockets into which vacuum tubes electronic valves can be plugged, holding them in place and providing terminals, which can be soldered into the circuit, for each of the pins. Sockets are designed to allow tubes to be inserted in only one orientation. Tube ech 21 or rohre ech21 id1867, triodeheptode, loctal8, b8g sylvania, 1938 and frequency converter shown. The tox21 data set comprises 12,060 training samples and.

We have over 25,000 nos new old stock tubes available however we do not keep these on the site due to the sheer volume of data it would produce on the site, also nos is stored offsite in another warehouse and is only handled once per week. This is a list of european mullardphilips vacuum tubes and their american equivalents. 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. Full text of mullard data book 196566 internet archive. Valve data book 1951 franks electron tube data sheets. Description the 6s3p 63 highfrequency triode is designed for amplification of highfrequency voltage. The following list shows the tube types i have entered in my database, with exception of the service types e. Vacuum tubes radio tubes 5,000 different tubes in stock. 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.

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. Free vacuum tube data sheets free vacuum tube substitution guide manuals free radio tube data manuals free tube base diagrams. This book on battery tube radios has a complete chapter covering the filament. Buy the eaf801 various manufacturers unsorted diodepentode radio tubes online on electols at best price for immediate delivery. Four stages in assembly of the triodeheptode allglass valve ech 21. Michelin earthmover tires technical data book these values are given for informational purposes only and may not be used for legal or statutory actions.

Dsp56800 features microprocessor architecture programming motorola memory data book 008b 009f dsp56800. They were used in most tube electronic equipment to allow easy removal and replacement. Its heptode section is used as if amplifier, and its triode section is the audio. The product line contains contact connectors in both plug and receptacle format. It says that ech21 is same than 7s7 but it warns that there are slight differences.

The road map to repeatable success using qfd to implement changes electronic engineering systems series. The road map to repeatable success using qfd to implement changes electronic engineering systems series bicknell, barbara a bicknell, kris d. The base of those ech21 and ebl21 and similar tubes is loctal8 or b8g according to rmorg. Of any particular type of valve or tube does not necessarily imply that it can be supplied. For some tube listings, other instructions may be present in the notations column that may direct you to connect the 12inch lead to other locations. Tox21 machine learning data set training and test data contain both dense and sparse features.

A tube type consists of two or more letters and two digits, as in. Dsp56800 features microprocessor architecture programming motorola memory data book 008b 009f dsp56800 dsp56800 instruction opcode microcontroller motorola. The tube manufacturer chooses these values to provide acceptable serviceability of the. Vacuum tube numbering schemes, list of vacuum tubes. The 6s3p highfrequency triodes is are miniature devices enclosed in glass bulb and are provided with a ninepin base and an indirectly heated oxidecoated cathode. The amplimite hdp20 series is a high performance dsub connector that comes in 9, 15, 25, 37, and 50 positions. With almost datasheets and the visitor counter indicates over 4000. Ua55 ua55 ua55, vcr9a ech21 uch21 tungsram ua55 tungsram power rectifier vcr522 uch21 tube tungsram gelijkrichter. I177 series tube tester settings data antique airwaves. Sheet six contains tester settings data for use with the mx949 series adapter kits and sheet 7 contains ballast tube test settings data for use without the mx949 series adapter. Dsp56800 features microprocessor architecture programming motorola memory data book 008b 009f dsp56800 dsp56800 instruction opcode microcontroller motorola 20 pin. Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages. Please note tire load and pressure tables pages 26 to 87 these tables are classified according to the.

Octal tube structures were supported on a glass pinch, formed by heating the bottom of the envelope to fusing temperature, then squeezing the pinch closed. Tube ech 3 or rohre ech3 id274, triodehexode, europe side contact p8a au p, 8sc and frequency converter shown. Free vacuum tube data sheets free vacuum tube substitution. Tubes for industry, music, ham radio, the audiophile. The tox21 data set comprises 12,060 training samples and 647 test samples that represent chemical compounds. A description of the job duties in the labor certification application or the initial i. Some datasheets are only one page 3050k, some are 810 pages 300k and more. I dont have much of these so i dont intend to make this a large collection. Actarus adzam cunningham cossor radio fotos gammatron klangfilm marconi miniwatt. 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.

Tube ech 21 or rohre ech21 id1867, triodeheptode, loctal8, b8g sylvania, 1938 and frequency converter. The road map to repeatable success using qfd to implement. Most postwar european thermionic valve vacuum tube manufacturers have used the mullardphilips tube designation naming scheme special quality variants may have the letters sq appended, or the device description letters may be swapped with the numerals e. The wide glass tube envelope is 28 mm in diameter and, excluding the b8b base pins, is 61 mm tall. We are offering this raytheon 6832 tube that has a heater current of 400ma and will yield a slightly different sound than the stock phillips 6111 tube. We are offering this raytheon 6832 tube that has a heater current of 400ma and will yield a. You can use a european tube in a usa radio for example. Buy 100pcs generic 8pin b8g loctal vacuum tube sockets fr 5b254 7n7 ech21 5b255m c3g. The loctal tube s structure was supported directly by the connecting pins passing through the glass button base. Most postwar european thermionic valve vacuum tube manufacturers have used the mullardphilips tube designation naming scheme.