Open for business music is a vital source of comfort, and it can help us get through these difficult and frustrating times. This is the hickok tube tester set up for western electric tubes. Of 6cl6s that are available on the market, this is the best there is. Etc2, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. The 6146 beam power tube and its various descendents 6146a, 6146b was and still is one of the most popular transmitting tubes in amateur radio service.
Type is the 6146b and the secondary printing also says 6146b plus it has the equivalent 8298a as well. The 6550 was invented in around 1955 for hifi circles and quality ones of them were also spendy, but still not as much as a 6146b. I have the complete manual and it has two supplemental tube data listings but i still dont have testing data for all common tubes today i discovered i dont have testing data for a 7h7. Heres a diagram for a 75w pp octaltube amplifier from the old stc standard telephones and cables, sydney tube data manual for a starting place in case you or anyone else is interested. The 6146b is a variant of the popular 6146 hf power beam tetrode. So if the 6146ws you have are later versions then they are probably the same as the b. Important safety information before installing and. The 6146b is a different tube from the 61466146a8298.
Assorted brands new old stock 61468298a beam power tube, 35 watt plate dissipation, rca, sylvania, ge. For mobile use a quick heating version was made where 70% of full power was available in 0. 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. Shuguang has gone through half a dozen or more variants of the 12ax7, alone, and i suspect they have made a few changes in their 6146b designs also. Zook, k9sth probably the most used tube of all times in the final amplifier of boat anchor transmitters is the 6146. Clean pullout, 6146bmptay transmitting tube, matched pair, beam power amplifier. Youll have to look to see if the data you want is in there. I just came across a guitar amplifier using 6146b tubes at. The plate tune trimmer cap is visible in the upper left corner. Mp 2x qe05406146b new 129,99 euro we have 2 set on stock from 2 tube mp 3x qe05406146b new for yaesu ft102 199,095 euro we have 2 set on stock from 3 tubes.
Taylor, 6146bmpusa transmitting tube, matched pair, beam power. An 829b dual beam power pentode cw transmitter don huff, w6jl. The 6146w tube types produced after 1964 were designed to the 6146b tube specifications. 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. Minimum heating time tran sconductance mufactorc grid no. The 6146b 829m is unilaterally interchange able with the 6146, 644, and 8298. With the builtin supply shown, it can be operated at an imput of about 70 watts, or up to 90 watts with a 750volt supply. The dx shop antennas, amplifiers and accessories for the dedicated radio amateur. With the operating bias set as indicated above, and driven by the 6cl6 one tube transmitter, the 6146b amplifier can produce an output of 62 watts on 40m as measured with a bird wattmeter. The simplest vacuum tube, the diode, contains only two elements. I have a couple more like it, which will find their way into various other toys in the future.
These tubes are used but completely checked out at. If youre still in two minds about 6146b tube and are thinking about choosing a similar product, aliexpress is a great place to compare prices and sellers. On numerous occasions i have seen tubes that test bad on a tube tester work fine in radios and tubes that test good that would not work at all. Due to coronavirus covid19 we have limited staff working on location. Click here or on the image above for a larger version. A mutual conductance tube tester will give a little more information than a tester that just tests emission. The brown square to the left of the tube is one of those nice pancake capacitors. The tube data sheets would have you believe the 6146b is a plug compatible tube for the 6146 having essentially the same interelectrode capacities and bias characteristics simply more plate dissipation. I like the tones that ive heard from it, but they were recordings and not in person.
This is due to the different bias requirements of the 6146b, different inter. Complete data for the 807 including that schematic plus a tube rectifier and choke based power supply schematic as well as choke and transformer data is. After the 6146b was introduced in 1964, the 6146ws gradually were migrated to the 6146b design, and later versions of those tubes are fine. My ft102 seems quite happy with either though it requires a bias adjustment and a touchup neutralization. There is another 6146 family tube that is superior for operation at least through 10 meters. Etc2 beam power tube,alldatasheet, datasheet, datasheet search site for electronic components and. The aa8v 6146b amplifier typical operating conditions. With almost datasheets and the visitor counter indicates over 4000. The aa8v 6146b amplifier by greg latta, aa8v amplifier. Buy 6146b 6146b international components vacuum tube servicemaster from distributor santa clara systems. Frankly, these transmitters were much happier with the 6146 6146a tubes. Buy 6146b beam power amplifier, china, matched pair. See special performance data on page 4 for heater oper ation in stationary equipment and in mobile equipment.
This is the single best favor you can do your 32s1 s3 or kwm2 transmitter. It was almost an honor and highly desireable in ham radio circles to get a 6146b for your transmitter than a 6146 or 6146a. The wide glass tube envelope is 38 mm in diameter and excluding the io base pins, the valve is 81 mm. Antique radio forums view topic tv7 bu settings for. A 6146b has a ccs pd rating of 27 watts and an icas rating of 35 watts. The input circuit is a conventional paralleltuned tank with link. This is an absurd mischaracterization of the 6146b.
This exhibit from sylvania also carries the type designation of 8298a. The 6146 and 6146a differ in only the heater construction which provides a. The anode connects to the top cap via a thin shaped sheet of metal. Essential information regarding 6146 tubes by k9sth. There are actually three iterations of the 6146 which are. Downloads, supreme instruments manuals, tube data, and schematics. Substitutes are given as a guide only please refer to original manufacturers data sheets to ensure that a. They dont seem to be a drop in substitution for a more common tube.
I know that there are not many audio amplifiers described with 6146 tubes, but its is no problem to use schematics for 807 instead as they are more or less the same tube eventhough 6146 are more modern. When the 6146b was introduced, rca announced the 8298a commercial equivalent of the 6146b. You can also download the complete 6146 and 6146b data sheets in pdf format. I had that same question today looking for the 6550s in the tv7u test data booklet. I used a trimmer only because it was all i had on hand at the time. Cr1 crt test adaptor for use with models 532 through 6005 series tube tester. Any 6146w tube produced before 1964 should not be used in place of 6146b tube but can replace 6146a tube. El34 pentode el34 6146b el84 tube tube 807 6a3 tube el34 tube. 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. Manuals and documents technical data, operating and service manuals provided by myself and other hams covering various technical subjects, amateur radio receivers, transmitters, transceivers and accessories.
Beam power tube for use under severe shock and vi brat ion 90 watts cw input icas up to 60 mc 60 watts cw input icas at 175 mc tentative data this bulletin also appl ies to rca6159w which is dentical with rca6146w except for its heater rating of 26. Tubes free delivery possible on eligible purchases. However, the best tube checker in the world is the unit itself. As far as a b not working in place of a regular or a version, i have never had a problem with. Doing so will ensure that your machine will perform properly and to best advantage.
This means at the tube maximum ratings, all you can get is around 3. The 6146 is a very popular small transmitting beam tetrode valve normally used in pairs within hf transmitters of 100 w output. Antique radio forums view topic hickok ks15750l1 tube data. The 6146b was designed for mobile transmitters and the heater was designed for a wide range of input voltage and not just the 10% around the nominal 6. In addition to consumer electronics, rca was a major player in the development of electronics for industrial and military applications. Now, there are the tubes that were manufactured for fm commercial service. All tubes receive and pass the rf parts quality control testing, and carry a limited transmitter tube warrany of one year. After the 6146b came into existence, a short time after that all 6146ws were made the same as the 6146b but with the rugged filament. The tube was originally introduced by rca in an ad in the january, 1952 issue of qst magazine. Will handle 3 amps of plate current in short pulses. Due to its superior design, the 6146b qe0540 has high power sensitivity, high perveance, and low driving power requirements. The 807 is a beam tetrode vacuum tube, widely used in audio and radiofrequency power amplifier applications. Tube 6146w or rohre 6146w id4059, transmitting tube, pentode, air cooled, octal int.
Excellent quality 6146b suitable for amateur and commercial radio transmitters. Philips valve data book, philips electrical industries, 6973 clarence street sydney, radio valve application division, 1958. Again most of these are cross branded with all of the tube numbers that are. I dont really understand the point requiring the data, if it is exactly like 6146b, you may look. Anyone using the machine should be thoroughly familiar with its instructions for use and safety features. Their 6146b is actually a pretty decent tube, but their are still vast numbers of nos 6146bs out in the market, and even more used 6146b tubes made in the usa. Heater current reduced by 125ma, improved base design. In fact, most of the rca 6146b tubes were cross branded with the 8298a number in addition to the 6146b. Thanks to frank philipse for supplying the above pdf datasheet. From the early 1950s until at least the 1980s, the 6146 found its way into virtually every manufacturers line of transmitters. Comprehensive supplemental tube test data book for early hickok models including ac51, t53, 510, 510x, i177 and others.
Those companies who were manufacturing 6146 series tubes for the military changed from the plain 6146 the date code which is printed on each tube. Does anyone have a source for obsolete tube data for this tester. Has anyone seen another guitar amp using this power tube. From its introduction in 1952 and continuing until the mid 1980s, the 6146 found its way into virtually every manufacturers line of transmitters. Buy 6146b vacuum tubes online, in stock and ready to ship. This adjustment may have to repeated as the tube ages. Sometimes they will work in place of the 61466146a, but often they will not. Cd player home theater system portable speakers stereo system telephone tv. The radio corporation of america renamed rca corporation in 1969 was best known for its pioneering radio and television development and manufacturing. Tube 6146b or rohre 6146b id4058, beam power tube, octal int.
Well help you to work out whether its worth paying extra for a highend version or whether youre getting just as good a deal by getting the cheaper item. The neutralization circuit employed in the kenwood hybrids was designed around the 6146b, and may not be able to successfully neutralize the older versions that can lead to instability in the finals. The 12volt equivalent of the 6146 is the 6883, the equivalent of the 6146a is the 6883a, and the 6146b is the 6883b. Substitutes are given as a guide only please refer to original manufacturers data sheets to. Beam power tube, 6146b datasheet, 6146b circuit, 6146b data sheet. The 6146b was a precision, high tech and expensive transmitting tube even back in 1970. Hifi 6146b vacuum tube guitar amplifier tube headphone audio equipment accs. General data rca 6146b8298a is a small, sturdy, beam power tube having high efficiency and high power for use in mobile and st a t ionary equipment. Numbers shown in light blue background are coldcathode tubes. The aa8v 6146b amplifier by greg latta, aa8v amplifier schematic diagrams and circuit descriptions click on a section of the schematic below for information on that part of the circuit. This means the maximum carrier out of your amplifier is. Unfortunately sylvania didnt put data sheets on separate pages they run together so its hard to break up the data into individual files and index them, like the hb3 data set is.