6ax4 tube data sheet

This is a small envelope tube which is still in production by a number of manufacturers. Now this graph from the tube data sheet makes sense they have three lines for 40uf, 16uf and 8uf. The 6x5 a problematic tube canadian vintage radio society. Numbers shown in light yellow background are used in seriesstring configurations. During the end of the tube era it was common practice to stamp tubes with several. You will find thousands of tubes or valves with interesting links. Replace rectifier tube with solid state diodes youtube. Construction refers to both basing size and the envelope hf means heater or filament voltage and current specifications. So the vdc that i am measuring is a function of the caps and the load of that circuit. It is a small, sturdy, glassoctal heater cathode type used as an af power amplifier and modulator and as an af power amplifer and oscillator. Refer to the 6ax4gt description and rating sheet for complete data. I need a basic primer on interpreting vacuum tube datasheets. Help with the math of half wave rectifier tubes telecaster. A flood tube wm not show short whsn the levers shown in pereothesls are moved afcmultaneouaty.

This is done in case of equal tube type numbers for different tubes. I am sure the military would not have accepted such a deviation from the data sheet value. The following list shows the tube types i have entered in my database, with exception of the service types e. During the end of the tube era it was common practice to stamp tubes with several designations of types which are close. But apparently they were a bit sloppy with the commercial tubes. Key data and drawings are shown below, or you can download the 12ax7 datasheet in pdf format. Data from or other sources as supplied by john atwood. Data presented include those characteristics and ratings essential. A quick check of the data sheet shows that the peak inverse voltage for this tube is 1200v and the max current is 500ma, both values provide significant margin.

This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. Etc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. Only a few types are still used today, mainly in highpower, highfrequency applications. Technical datasheet the optoelectronic manufacturing corporation an ultrabright led lighting tube with a diameter matching that of a t5 fluorescent tube. Tube 6ax5 or rohre 6ax5 id18669, fullwave vacuum rectifier, and shown. Full text of heathkit tc 2 tube data see other formats important notes special short test for tubes with internal eonrwceone. Below is a selection of 6ax4 tube boxes of different brands. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. Tube 6x4 or rohre 6x4 id3258, fullwave vacuum rectifier, miniatur7pinbase b7g, usa 1940 and powersupply shown. It is a bit beefier than the 6ax4 at a moderate increase in heater current. Pdf ett1521a 525line, 30frame 6ax4 6ax4 tube 6ax4gtb 6ax4 gtb 6ax4gt tl521 general electric control autotransformer. Identical to the 6ax4 gt except for heater ratings. In addition to diodes, they contain a resistor to mimic the voltage drop in a typical tube, plus linear inrush currentlimiting circuitry to simulate warmup time of a vacuum tube, except it lasts 1 to 2 seconds rather than the 7 to 9 seconds of a typical rectifier tube.

The 6de4 has an almost similar twin in the 6cq4 see data sheet. A centertapped heater permits operation of the tube from either a 6. Refer to the 6ax4 gt description and rating sheet for complete data. Data sheet pp2 tube tester 320042 this is a condensed reprint the chart october 6am4 6am8 6am8 6an4 6an5 6an6 6an6 6an6 6an8 6an8 6aq7 6ar5 6ar6 6ar8 6ar8 6as5 6as6 6as7 6as8 6as8 6at8 6at8 6au4 6au5 6au6 6au7 6au7 6au8 6au8 6av5 6a v6 6av6 6av6 6aw7 6aw7 6aw7 6aw8 6aw8 6ax4 6ax5 6ax5 6ax6 6ax6 6ax7 6ax7 6ax8 6ax8 6az5 6az6 6az6 6az8 6az8 684. The 6ax4gtb is a single heatercathode type diode for service as the damping diode in. The copper plate tube draws current more like a 6ax4. You even can look up radio models with a certain tube line up. The 6ax4s current rating is on the low side compared to some of the other tv dampers. The tube is supplied with a selection of mounting clips and fixings to facilitate use in the widest possible range of applications. If something in between the 6ax4 and the 6au4 is needed, the 6de4 fits the bill. Sep 28, 2016 this was maybe because of patent issues or tube manufacturers wanted to push their own types. Refer to the 6av5ga description and rating sheet for complete data. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes.

Your diminutive tube requires only 300ma, so many more could be powered. Although production of this tube has ceased a long time ago, it is still available in large numbers. If everything is ok, the measured voltage of vcc terminals of r2 or r5 are about 65v dc. Tube 6ax4 or rohre 6ax4 id18670, damper, booster, flyback diode, 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 application. Full text of heathkit tc 2 tube data internet archive. 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. Page 3 6n356702c51 tubes are used for two channel buffer with cathode follower configuration. All information is deemed reliable but not guaranteed. Russian 6p3s, 6p3se 6n3c, 6n3ce general tetrode, used in output stages of low frequency amplifiers. 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.

Double triode, 6h8c datasheet, 6h8c circuit, 6h8c data sheet. B582, b585 b660 b5147 rs239 6ax4gt 6ax4gt tube tube 4400 b5 diode television external parts b585 6ax4 damper rs tube b5147. The 6146w vacuum tube is a ruggedized military version of the 6146 family of tubes. Buy 12ca5 12eh5 vacuum tubes online, in stock and ready to ship. It differs from the 6ax4 gta in having a higher peak inverse plate voltage rating. The tube preamp come with low output resistance and provide high driving capability. Tubes in the tube column are directly replaceable with tubes in the replacement column. High gain, ultralow microphonics, and superb linearity with a dynamic 3d sound. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. Adjust the vr1 500ohm so that the the tube filament voltage middle pin of u1 is around 6. Numbers shown in light blue background are coldcathode tubes. Home the canadian vintage radio society, and its bimonthly publication, canadian vintage radios, is dedicated to the preservation, restoration, collection and enjoyment of antique radios and related items.

We do not know these differences as the 3bs2b tube data is not available. 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. Many industrial, military or otherwise professional tubes were also produced. The 6ax4 was available from almost any tube manufacturer. These characteristics make the tube, to a bogey tube of a specified type as defined by its published data, and should not be exceeded. The 6ax4 gtb is unilaterally interchangeable with the 6ax4 gt and 6ax4 gta. May 23, 20 a centertapped heater permits operation of the tube from either a 6.