The 6l6gc is a type of beam power tube employing a beamconfining electrode at cathode potential in place of an actual suppressor grid. Here each single valve of the push pull pair is replaced with two valves connected in parallel. 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. But data sheet conditions may confuse that, if youre not careful to note everything the sheet is implying. Be sure to insist on genuine tungsol vacuum tubes the next time you retube youll be getting the absolute best possible tubes for any demanding application. An 829b dual beam power pentode cw transmitter don huff, w6jl. Jj 6v6s tubes sound more like the 6l6 but break up sooner, and are more stiff than the 6l6gc. The 807 design with some value engineering to reduce production cost was the basis for the first applicationspecific horizontal sweep tubes such as the 6bg6g and 6cd6g. They have the same platescreen ratings as the 6l6ggagb. Beam pentode 6l6gc is a beam power pentode with an octal base and power of 30w for use in 6l6 amplifiers. Fender has been using them since the 1940s and since then there have been many others who have designed hugely popular tube amplifiers that rely on the 6l6 tube types for their tone. Be sure to insist on genuine tungsol vacuum tubes the next time you retube youll be getting the absolute best possible tubes for any demanding. Rca rc10 tubemanual 1933 complements of tim reese and harvarduniversity.
This addendum is to answer the most common questions i have received on it. The 300b tube has the bayonet pin so located that it may also be. Since 1998 we have used state of the art and custom made equipment to insure that you get the absolute highest quality tubes possible. This tube is an upgraded 6l6gc tube but willprovide more headroom than typical 6l6gc tubes.
Unbeatable prices on thousands of guaranteed vacuum tubes for sale, vintage nos hifi audio tubes, radio tubes, ham and industrial ready to ship. The 300b tube has the bayonet pin so located that it may also be mounted in a western electric 100m, 115b or similar socket. The arrl handbooks contain abbreviated tables of tube data and tube base diagrams that are extremely useful, as well as many construction projects that use vacuum tubes. Octal power tube max plate watts 30w exclusive gt design.
We stock a large number of premium 6l6 tube types in matched pairs, quads and sextet configuration, ready to be plugged in. Jj electronic vacuum tubes, capacitors, amplifiers. Known to be a very powerful 6v6 due to its robust construction. Tubedepot supplies vacuum tubes for musical instrument amplifiers, hifi amplifiers, vintage vacuum tube recording gear and associated equipment. Here at eurotubes we have turned the testing and matching of vacuum tubes into an art form. The audio amplification is used in guitar performances. If this describes the rig you use, then this is one of two modern tubes you should consider. The 6l6 first appeared before the second world war, and was widely used in many applications, especially in audio amplifier, finding particular favour in guitar amplifiers. The highs are clear and responsive with warm mids and tight solid lows. El34 tubes are darker and have a mid range overdrive that can get a little unfocused similar to the 6v6gt. The british military equivalent of 6k7 is cv1942, according to the british cvregister. Vacuum tube 6l6gc, jj electronics antique electronic supply. Please read the sovtek 5881 wxt 6l6 wgc tube guide if you havent already as this article is an expansion of that one, and assumes you are familiar with the material discussed in it. Sl6gctk tube data sheet mechanical tele fun ken max 38 type base number of pins heater requirements parameter heater voltage heater current in a.
Known for their reliability and articulation, the jj 6l6gc is. A vacuum tube is exactly the same thing as a valve. At the time philips had already developed and patented power pentode designs, which were rapidly replacing power triodes due to their greater efficiency. Silky top end combined with deep bass response and lots of headroom make this 6l6 tube a living classic. We carry everything from nos rca 6l6gc black plates to jj 12ax7s. Nowadays, valve amplifiers or vacuum tube amplifiers are used in music performances. This high quality beam tetrode tubes used in output stages of low frequency amplifiers. It is dedicated to be used in audio frequency range which requires the output power 100w. Here youll find a modest collection of datasheets for some popular tubes.
Beam pentode 6v6 s is a beam power pentode with octal base and a maximum plate dissipation of 14w. Tube 6k6 or rohre 6k6 id2699, vacuum pentode, octal int. Vacuum tube 6l6 ge reissue, groove tubes, matched pair. In the kt66 was advertised as the finest audio tube in the world. It is popular with tube amplifier enthusiasts, and its ongoing use in such equipment makes it one of the few smallsignal vacuum tubes in continuous production since it was introduced. The kt66 had less rapid kt6, longer electron paths, and almost no kink. So, having in hand a few of these wwiiera tubes and some matching sockets acquired over the years, i decided to take. In common with all e prefix tubes, using the mullardphilips tube designation, the el34 has a heater voltage of 6. Vintage tall rca 6l6 gb stereo tube results 3200 28 ma. The wide metal tube envelope is 30 mm in diameter and excluding the io base pins, is 90 mm tall. Nuvistors were the latest tube development at just about the same time as the introduction of the first integrated semiconductor circuits.
Jersey tentative data 2 6l6 gb beam power tube typical. Looking at the data about the 6k7 tube i saw the vt100 gb mentioned as an equivalent. The ge is a faithful reproduction of the original clear top 6l6. According to the data sheets found in old vacuum tube reference manuals, a pair of el34s with 800 v plate voltage can produce 90 watts output in class ab1 in pushpull configuration. Black diamond series vacuum tubes telefunken vacuum tubes have been the benchmark of excellence in all audio applications, both production and reproduction, for many decades. Also, its worth noting that as the 6l6 was improved denoted as 6l6ga, 6l6gb, 5881, 6l6wgb, and 6l6gc, in general the data sheet information wasnt updated. All information is deemed reliable but not guaranteed. We design and manufacture our tubes, engineered for demanding high fidelity, reliability and overall warmth. Tube 6l6 or rohre 6l6 id2218, beam power tube, octal int. 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. The 807 also found some use as a horizontal output tube in early tv receivers, particularly those manufactured by dumont. The preferred oem tube of 50sera fender tweed champ and deluxe amplifiers the tungsol 6v6 has a geometry designed to safely handle the higher voltages used in guitar amps plus heavier plate and grid materials.
The 6l6 was released in 1936 and was first announced on page 50 of the may, 1936 issue of qst magazine. It took more than four years to develop, and has stunni. Unlike the el34 power tube, 6l6 tubes generally sound a little cleaner and tend to have a bit more beef in the low end as well as more bite on the top. Design of push pull amplifier using vacuum tube gadgetronicx. First it appeared as metal tube, then in several glass versions, e. This one has a lot of pages from the european philips tube manual. This vt100 gb stands for a valve transmitting and it is a triode, similair to the hl20. The 6146 series of tubes followed on the heels heels of the famous 6l6 beam power tube, which was the first power tube to use the electron beam principle. Because of this, there are many versions by different manufacturers. Telefunken vacuum tubes have been the benchmark of excellence in all audio applications, both production and reproduction, for many decades. The most popular vintage nos 6l6gc vacuum tubes are showcased in this video.
The result better mids and bottom while keeping the smooth top of the classic 6v6s. Today, this rich history continues with the introduction of new production tubes from telefunken elektroakustik, in partnership with jj tubes from the carpathian mountains. We carry brands like western electric, mullard, telefunken, sovtek, jj, electroharmonix, genalex and tungsol. The 6l6 provides high power output sensitivity and high efficiency. A nuvistor is a miniature vacuum tube in a thimble sized metal case. The tubes may be mounted in either a vertical or horizontal. The el34 is a thermionic valve or vacuum tube of the power pentode type. Vacuum tube 6l6gc, jj electronics antique electronic. Nov 05, 2016 the first two stages use the most famous twin triode tube the ecc8312ax76n2p. It has the highest gain of all triodes, which makes it suitable for the task. 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. Rca 6l6 beam power amplifier the 6l6 is a poweramplifier tube of the allmetal type for use, powerdelivering ability. The 6l6 has plenty of headroom and does not break up nearly as quickly as the el84 or el34 tubes.
Eurotubes vacuum tubes by jj electronic ecc83, 12ax7. Finally, another great source of tube information, particularly on amateur radio applications, is the back of earlier arrl handbooks and back issues of qst magazine. Direct heating cathode, medium power consumption triode is used for class a amplification. Included are the rare kt66 and 350b types as well as rca blackplates, ge, and sylvania 6l6gc tubes. Hickok even sold one as an accessory part with its own part number. At the time philips had already developed and patented power pentode designs, which were fast replacing power triodes due to their greater efficiency. It happens to be one of my two favorite tubes, right up there tied with the majestic 845 that i use in my line magnetic amplifier. Extremely low noise and a lack of microphonics combine with excellent ratings for detail and harmonic content to provide a tube of exceptional quality.
Check out our 6l6 tube catalog page for 6l6 tubes we stock. Each tube sample was installed in the same custom built, fixed bias singleended guitar amplifier see schematic with a fender black face style preamp circuit. The first nuvistor to be produced by rca was the 7586. It has fat low end and full mid tones with very good tone separation and a smooth, clean high end. The flagship of the gt 6l6 line, it looks and sounds exactly like the original g. We believe rcas metal 6l6 was the worlds first true alignedgrid beam tetrode to reach. The 6p3s output beam tetrode are miniature devices enclosed in glass bulb and are provided with a octal 8pin base, rigit leads and an indirectly heated oxidecoated cathode. The 6l6 employed rapidlyaccelerated electrons and short electron paths.
The beam tetrode design of the 6l6 allowed rca to circumvent philips pentode patent. Jj6l6gc vacuum tube jj 6l6gc pwr jj6l6gc ecad model. It has an international octal base indicated by the 3 in the part number and is found mainly in the final output stages of audio amplification circuits and was designed to be suitable as a series regulator by virtue of its high permissible voltage between heater and cathode and other parameters. Some players prefer the extra clarity and punch of the 6l6. The 1614 and 1622 are premium versions of the 6l6 that are rated for maximum output and longer life.
The metal 6l6 was the tube of choice for the calibration standard, for many tube tester manufacturers. An 829b dual beam power pentode cw transmitter don huff, w6jl june 6, 2016 ive always thought of the 829b as a rather attractive tube physically ie, it has sex appeal. The 12ax7, also known as ecc83, is a vacuum tube that is a miniature dual triode 6av6 with high voltage gain. Whats the difference in tone between 6l6 and 6v6 tubes.
Key data and drawings are shown below, or you can download the 12ax7 datasheet in pdf format. The 7581a tube has a plate dissipation rating of 35w, as opposed to the 6l6gc and 7581 rating of 30w. Tested on our new proprietary tester, the e3444 triplettwestmore 501. Distributors, part, package, stock, lead time, min order qty, 1, 10, 100, 1,000, 10,000, buy. The nuvistor was developed by rca and it was first introduced in 1959. Very nice price lower than most other places online. The 6l6 vacuum tube or thermionic valve was one of the most iconic valves ever produced. Right now i like a marconi 6v6g in the old v champ. It had a metal envelope which was popular at that time for use in radio sets since it was less likely to break than a glass envelope. I replaced the stock 6l6 tubes in my bugera v55 with these jj tubes. The jj electronic 6l6gc is the classic pentode built with the rugged construction that only jj could deliver. May 23, 20 a centertapped heater permits operation of the tube from either a 6.