6lw6 tube data sheet

I briefly used this tube again when i played with rf amplifiers in the mid 1970s. Best to retrofit the amplifier with some 811a types and get on with your life. Maco somehow talked them into placing the ge 8908 sweep tube inside an envelope with a 12 pin compactron base. I actually have the ge data sheet for that tube, but you wont find them. Free air circulation should be provided, time specified on the individual tube data sheet is sufficient to bring the filament to a satisfactory, tubes containing mercury vapor only may require several minutes filament warming before the tube will, or if they have been. Recent listings manufacturer directory get instant. A tube amplifier chassis contains lethal high voltagesometimes over 700 volts ac and 500 volts dc. I went on to work in the solid state world, and mostly forgot about tubes. I have never been one to follow specs or rules so i decided to turn up the voltage. It was simply the biggest sweep tube that i had ever seen. Ive been trying to find come recommendations to upgrade a tube amp i just bought that has a stock 6n1.

There is a description with schematic and other details. The 6lw6 the 6lw6 and its 26v and 36v variants are among the most powerful receiving tubes photo 2. At the time this manual was written, the tubelab spp has only been tested as a stand alone push pull amplifier. You can spot a rebranded ge tube by the 1885 code stamped on the tube. 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. 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. Vacuum tubes audio tubes esrc vacuum tubes electron. Its similar to the 6550a but with a steeper characteristic curve. When two or more tubes are used precautions should be taken to balance the plate currents.

Adjust the vr1 500ohm so that the the tube filament voltage middle pin of u1 is around 6. For example, 6kg6 has a printed rating that would lead to 908. Safe tube replacements chart along with recommendations. General double triodes, used as an wide band hf power amplifier. There you can use the tube name in the field search for a tubevalve. Jul 21, 2001 i actually have the ge data sheet for that tube, but you wont find them cheap or easy. The em876e2 tuning indicator uses the closing bar principle and is housed in a standard miniature valve envelope. I will try these tubes in my screen driven pp test amp in the near future, but i need to find two that are the same.

You even can look up radio models with a certain tube line up. 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. This is why the platevoltage rating in an ultralinear connection. The heater and cathode are on the right and are positioned horizontally in this image. But, i regret to inform you that the part number 6lw6 you entered is either invalid or we dont carry on our web. If you have not been trained to work with high voltage then have an amp technician adjust the amps bias. In reading schade,1 every tube amateur should see what a masterpiece the 6l6 was in tube history and to my knowledge there is no solidstate fourterminal equivalent. 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. The tube handles 400 volts without cracking a sweat. Ive only seen two or three mfgrs use that tube and its physical large so i just installed a pair of 811as and they work fine when set for the proper zsac. I never used the 12b4 myself and only stashed away a few of them.

Octal predecessor of the more famous 6lf6, the 6lw6 is a 40w beam tetrode in t147 size, originally intended as a horizontaldeflection amplifier that clearly surpasses the 6550a and kt88. The setup was still on my bench from the 6av5 and 6lw6 testing, so i rewired the sockets to accept 6cd6s and plugged them in. This happened in 1976 when sweep tube sales were dying so ge took any large volume sales they could find. That is the old kentucky radio tube facility that ge purchased and the code they put on all tubes made there. Tube 7695 or rohre 7695 id6197, vacuum pentode, noval, b9a and poweroutput shown. It uses the 6lw6 tube, which is like both tubes you asked. Seeking specs on 8908 tubes showing 15 of 5 messages. Notice the peak positive pulse plate voltage rating on the m2057. It didnt sound half bad, in fact i think that it sounded better than the 6b4, but not as good as the 300b. Tube datasheets here youll find a modest collection of datasheets for some popular tubes. Tubes in the tube column are directly replaceable with tubes in the replacement column.

And some tubes have somewhat conflicting data from their data sheets for the two. This list is biased by the tubes that i have encountered during the repair of the many tube amps that have come to my repair shop. Nos tubes seem to live longer than many current production tubes due to better vacuum, and most sweep tubes were over designed due to the severe service they were in. The following list shows the tube types i have entered in my database, with exception of the service types e. This means that a single spp board is used with one power transformer and two output transformers to make a stereo hifi amplifier. I change this directory structure often and your links will not work correctly. I read that there are ones that will fit but are not made for it due to various differences. You can find the tube page of a particular tube by clicking the tab tubes.

I discovered the 6lw6 tube back when i worked in tv repair 1970 or 1971. Hi all i am endeavoring to put together a list of sweep tubes. I dont know if they count, but in the attached sylvania datasheet, the 6cm6 and. The original tubes had their filaments connected in parallel, and you have to.

This one has a lot of pages from the european philips tube manual. Unlike em87 that has a rectangular screen, this exhibit has a rounded top to the screen column. The kt88 is a tougher 6l6, something like two in parallel. You will find thousands of tubes or valves with interesting links. The closest match to an existing tube with an octal base is the 6lw6, but the filament voltage is different, the transconductance figures are less, the. The 12b4 was quite popular among tube amplifier builders in the 1990ies but i havent seen it mentioned much lately. Those magnificent television tubes page 20 diyaudio. I actually have the ge data sheet for that tube, but you wont find them cheap or easy. This is an easy to build, simple directcoupled inputdriver circuit that provides the proper drive voltage to the grid of the 211. Free air circulation should be provided, time specified on the individual tube data sheet is sufficient to bring the filament to a satisfactory, tubes containing mercury vapor only may require several minutes filament warming before the tube will, or if they have been subjected to extensive handling or prolonged standing. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. See the general electric data sheet for all specifications. But the 6lw6, 6lf6, or even the 30w 6je6 the mc3500 output tube behave like tougher kt88s. 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.

It is easy for antique collectors, ham radio operators, audio enthusiasts, broadcast enthusiasts and amateur radio hobbyists to buy, sell and trade vacuum tubes, electron tubes, audio tubes, valves, grid caps, sockets and capacitors. It should be much faster than the old server at my house. Assembly manual schematic parts list tubes and applications. I try to concentrate on popular andor readily available tube types. Rca rc10 tubemanual 1933 complements of tim reese and harvarduniversity. Construction refers to both basing size and the envelope hf means heater or filament voltage and current specifications. Tube 6lx6 or rohre 6lx6 id5048, beam power tube, dekar12pincompactron usa 1961 and shown. Thats a direct carry over from the 8908 sweep tube data. 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. I had to change its input and output tuning to match the pair of 6lw6 tubes. Rca tube manual peter hoddow you reach this tube or valve page from a search after clicking the tubes tab or by clicking a tube on a radio model page.

Try searching the tube data sheet locator, the worlds biggest index of tube datasheets other pages online with tube data. They post a link to an article that is dead, so i used the wayback machine to post it in. If everything is ok, the measured voltage of vcc terminals of r2 or r5 are about 65v dc. Most of the datasheets are in pdf format and some are links to other html pages. Your power supply can only generate 270 watts of continuous dc output 540 volts 0. Attention, all firsttime or wanna be builders of single ended directly heated triode amps. This is why the plate voltage rating in an ultralinear connection. Problem is my tube tester paco 650 or t52 manual says how to test 6l6, but not 6lw6. Ge also made tubes for a large number of equipment manufacturers such as heathkit, tram, browning, maco, sonar, and many others. The parameters would make it usable for example in line stages or as output tube in phono preamps or dacs, offering nice low output impedance. I have a bunch of nos dumonts sylvanias in the warehouse, i wont be over there until next weekend. However if you are experienced, and with the proper tools, it could be replaced given socket rewiring and maybe some circuit tweaks with 5687, 12bh7, ecc99 or e182cc.