It has a low heater current requirement and was designed for use in car radio and other mobile equipment. Except for heater ratings and heater warmup time, ther 12dq6b is identical to the 6dq6b. 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. 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.
The thin glass tube envelope is 20 mm in diameter and, excluding the b9a base pins, is 58 mm tall. Gec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The next few pages contain the data sheets for the 8950, and the 6lb6, and a truly bestial tube, the 6lf6. Identical to the 6dq6a except for heater ratings and addition of a controlled heaterwarmup. As a class a audio amplifier it gives an output of 2. We electron tubes general bulletin index and general information. The el85, which has an anode dissipation of 6 watts, may be used as an af output valve or as an rf amplifier up to 120 mcs mhz. This increase gives the tube more headroom and a tighter response on the low end.
To put item to basket click on the basket picture or price. The jj electronic e34l adds more power to a standard el34 due to its higher grid voltage rating. You might find a 6dq6, but im sure the pinout on the socket is different. Its a common tube to swap in a jim kelley amp, as it handles the higher voltage well, and tames the volume a bit. Tube 6sh7 or rohre 6sh7 id2715, vacuum pentode, octal int. There are less than a dozen modern chinese and russian manufacture tubes in this listing, and they are clearly identified in the descriptions. To use this listing, first locate the tube number you need a stubstitute for in the lefthand column.
The 6bg6 was used in a lot of early postwar tvs as the horizontal output tube. Russian tube books posted a number of russianlanguage tube books and manuals. I slapped this amp together using only parts i had immediately on hand. The 12dq6a vacuum tube is a glass octal type used as a horizontaldeflection amplifier in highefficiency deflection circuits of tv receivers. The 6y6 is a 6v6 type and can be used in its place. P1, p2, p3, p4 partly, p515% nos 100% nos in original box nosw 100% nos wo box wob without box wobu without box, used obu original box, used db diamond bottom gp gold pins. The simplest vacuum tube, the diode, contains only two elements. The el85 should be of great use for equipments requiring moderate power output and where low lt drain is important. Rca homeentertainment and industrial receivingtype tubes and on picture tubes. Technical books full image scans of old technical books related to tube audio, radio, and presilicon electrical engineering and technology. This is done in case of equal tube type numbers for different tubes. I imagine they figured it could have similar characteristics of the 6l6 beam power with similar output power capability, but with a top cap for the plate, since the flyback transformer in tvs tends to generate high voltage spikes in the plate circuit of the tube, and to place the plate along with other pins at the. I had some and used them in my jks when i had them. The transformers and capacitors that i used were salvaged from ancient 1940s pa amplifiers.
The thin glass tube envelope is 17 mm in diameter and, excluding the b7g base pins, is 46 mm tall. Also has replaceable plugin chassis for receiving tubesguaranteed uptodate in. The listing of a certain tube type as a substitute does not necessarily mean the reverse is true. Este canal es mi intento por ofrecerle a quien le interese algunas curiosidades, ide.
As for the 6dq5, it is an old style horizontal sweep tube with istr about 20 watt plate dissipation. It is particularly suitable for mobile transmitters and receivers, where it may be used as a driver, modulator, or audio output valve. Spheres vacuum tube page sphere research corporation. 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. Im determined to buy a couple of these and try them in my rig. It does not have the same wattage ratings and will make the amp clip faster. The 6dq6b is a beampower pentode primarily designed for use as the horizontaldeflection amplifier in television receivers.
Nos tube specification sheet nos tube specification sheet. In electronics, a vacuum tube, electron tube in north america, tube, or thermionic valve or valve in british english is a device controlling electric current through a vacuum in a sealed container. A homebrew transmitter from the 1960s, updated for todays. So be sure to look only in the lefthand column for the tube to be replaced. A homebrew transmitter from the 1960s, updated for todays am a 6dq5 sweep tube modulated by four 1625s december 22, 2006, bob hansen, na7rh here is my opportunity to tell about adventures with the homebrew 6dq5 transmitter and companion 1625. Vacuum tube 12dq6b 12gw6, beam power amplifier antique. The pictures are representative of the general forms of the tube types, and internal construction can vary from brand to brand. The 6me6 vacuum tube is a novar type used as a horizontaldeflection amplifier in color and bw tv receivers. It now looks like the 6146 is the best option for a 6dq6b substitute. Tube type list the following list shows the tube types i have entered in my database, with exception of the service types e. The new old stock tubes we carry are generally various old stock us brands.
Vintage audio info and articles everything but books. Usa manufacturer rca, ge, sylvania, etc limited quantity available. With almost datasheets and the visitor counter indicates over 4000. A collection of electron tube specifications from the western electric library. Tube 6dq6b or rohre 6dq6b id4779, beam power tube, octal int. The tubes were old miscellaneous spares from old tube televisions. Jan 28, 20 the 6bh6 is a high impedance, medium gain signal amplifier. Sep 29, 2008 tube substitutions you can sub tubes for the 7360, as in previous posts, but you may have to rewire the socket.
With an rms plate dissipation of 40 watts vs 33 for the 8950, the have to be more rugged. File created by dieter waechter dieters nixie tube data archive this file is a part of dieters nixie and display tubes data archive if you have more datasheets, articles, books, pictures or other information about nixie tubes or other display devices please let me know. In general you can assume that a valve with a later suffix has higher ratings than an earlier one. Ett1534a itd792b itd793 6dq6b 6dq6 b 6dq6a 6dq6 6dq6 tube tube 6dq6b b6148 6dq6a general electric ett1534a. Then refer to the righthand column for the sub stitute. Model 98 features picture tube test tests over 400 cathode ray picture tubes includ ing 110 deflection typeshas 12 pin picture tube socket.
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