These newoldstock vacuum tube specifications are provided as informational only, and in no way guarantee the brand or exact functionality of the vacuum tube you receive. Follow the links on the left to find the tubes, valves, sockets, grid caps, and capacitors for your antique radio, ham radio, hifi stereo, or other electronic piece. Similar simiiar to the 256 25l6 except for 12xvolt 12. September 1, 1957 plate i 25l6gt 1 1 25l6gt pentode connection 110 volts 1amperes ro o. This increase gives the tube more headroom and a tighter response on the low end. The jj electronic e34l adds more power to a standard el34 due to its higher grid voltage rating. The wide glass envelope is 27 mm in diameter and, excluding the io base pins, is 68 mm tall. The 25l6 was introduced as a metal tube november 4, 1936, but most examples of this family were glass types 25l6g or 25l6gt. For applications critical as to uniformity of characteristics. Tubes 35l6gt beam pentode description and rating the 35l6gt is.
Vacuum tube 25l6gt 25w6, beam power amplifier, tubular glass. Reconnect the 25l6gt grid to the 6f,sgt plate and the circuit is ready for operation. Etc2, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. I had always wondered why these two types of tubes existed, with such similar characteristics. Data from or other sources as supplied by john atwood.
This data is scanned and may contain errors caused by the ocr software. The 35l6 is a substantially different tube with different operating characteristics and capabilities than those of the 25l650l6 twins. Beam pentode for af power amplifier applications, 25l6gt datasheet, 25l6gt circuit, 25l6gt data sheet. The inputs and outputs are isolated from the ac line by audio transformers, on both the input and output of the. 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. Apparently the 6c5 came first, and the 6j5 is an improved version. The wide frequency response of this tube offers excellent harmonics that work in a variety of genres ranging from the cleanest cleans to rich and aggressive breakup. Numbers shown in light yellow background are used in seriesstring configurations. Typical radio receiver and amplifier circuits 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16.
The western electric 1140a amplifier is a push pull parallel 25l6gt design with out a power transformer. For control of exposure time, switch s, can be used as a coarse con. Etc2 beam power tube,alldatasheet, datasheet, datasheet search site for electronic components and. The tube list at the tube center is very extensive, as is our inventory of vacuum tubes, grid caps, sockets, valves and capacitors. Construction refers to both basing size and the envelope hf means heater or filament voltage and current specifications.
The 25l6 is an octalbased vacuum tube of the beam tetrode type. Numbers shown in light blue background are coldcathode tubes. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. Type, sys, prototypes and possible substitutes from cv spec. From a european sylvania tube application data sheet. Nos tube specification sheet nos tube specification sheet. Vacuum tube 6kv6a, beam power pentode antique electronic. The tube type 6046 is the industrial type of the 25l6gt, used as a relay driver or to run selenoids in key punch machines. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. The 25l6 came out years before the 50l6 and 35l6 and was the prototype for the 50l6, which has the same characteristics and performance as the 25l6, with the exception of the change in heater voltage and current. The 50l6gt is designed for service in the output stage of acdc receivers. Brans vademecum, mk buizen handboek frank philipse pocnet mirror patrik schindler 25l6.
It found common application in acdc radio receivers such as those of the all american five type and was also found in large numbers in early computers, such as the univac i. Vacuum tube, vintage radio and other electronics information. M8210 30frame 525line, 6w6gt 25l6gt 6w6gt tube 25l6 gt rs tube tube 6w6gt uniop. Many industrial, military or otherwise professional tubes were also produced. This tube will work as direct replacement but wont be a perfect match. Adjust the vr1 500ohm so that the the tube filament voltage middle pin of u1 is around 6. And from the data sheet of the 25l6 not related to a 6l6 at all the rms v on the grid needs to be 7. Tube 50l6gt or rohre 50l6gt id3123, beam power tube, octal int.
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