6lq6 sweep tubes These are tested guaranteed tubes. The 24s and 31s are a lot cheaper and more available because although they were made in great quantities, few if any sweep tube amps used them originally. It was simply the biggest sweep tube that I had ever seen. Oct 31, 2008 · I think this is the best topic place to post this. There is no electrical difference between 6JE6A, 6JE6B and 6JE6C. Brand New. I have been in the tube radio/tv repair biz for years and have used these as replacements in radios, tv's, linear amplifiers and transmitters without any problems at all. The fin provides improved heat distribution and a greater plate dissipation capability. Pete's going for the BIG "sweep" tubes, that threw the electron beam a foot each way 15,750 times a second, +and+ jacked-up 300V to 30,000V, +and+ heated the 30KV rectifier filament. All tubes are tested for emissions, shorts, and gas. They used a "three-legged" circuit breaker that had one leg on the 'sweep' tube. As mentioned the RF amplifier service of 6LQ6's in class AB is not officially documented. It used four 6LQ6, so-called "sweep tubes," in parallel. But there were designs with two sweep tubes and one flyback transformer Nov 30, 2007 · I was wondering if anyone knew if you can change your 6LQ6 tubes out for these: 6JE6C, 6ME6, 6LZ6, 6JE6A, 6JE6B, 6JE6 6JF6, 6JU6, 6KM6? The 6MJ6/6LQ6 beam power pentode/sweep tube uses a 9QL configured base. Hams with radio roots in CB radio seem to love these amps. 6jf6 rca,sylvania,ge The choice of the power tube was a major contributor to the low cost of the GLA-1000. Need sweep tubes or driver tubes for your Swan, Drake, Galaxy or Yaesu transceivers? Picked one up at hamcation this year for 80. 95. Title: 6LQ6 Author: RCA Subject: FP-2012-01-07 Created Date: 1/8/2012 12:26:13 AM Nov 14, 2006 · The 6MJ6/6LQ6 beam power pentode/sweep tube uses a 9QL configured base. The only difference is the height of the glass envelope. $99. I dunno why. When using sweep tubes, care should be taken to limit carrier level to about 50 watts output per tube (6LQ6, 6LF6, 6JE6, 6HF5, 6JS6C, etc. We currently have mostly Sylvania on hand. I was reading on the eHam site that it is fairly easy to convert these rigs from 6lq6 sweep tube finals to 6146b transmitting tube finals by using new sockets and re-wiring. There is a pretty large evolutionary step between the 6L6 based sweep tubes and the 6BQ6GT and 6BQ6GA's. It was the first European sweep tube especially designed for colour TV's. This listing is for one (1) 6LQ6 Beam Power Sweep 6JE6C vacuum tube in the straight-walled glass tube shape. Captian_radio Nov 13, 2020 · It was simply the biggest sweep tube that I had ever seen. Electrically they are the same except for the higher heater voltage. " The market for these tubes during the heyday of tube-type TV set production was tremendous. I wanted to see the difference Jan 24, 2019 · 7868 was purpose designed to be an audio tube. Besides the 6LQ6 being an old TV sweep tube and not designed to be used in an amplifier. 6LQ6, so you will have to experiment with the input circuit of the tube and the output tank circuit to get full power out, especially on 10 meters. Opens in a new window or tab. What exactly is a sweep tube? Could they be used in a single ended or push pull audio amplifier? If not what would warrant a tube for these applications? Jun 2, 2003 · RCA chose the brute-force approach. I cannot find any data on 6MB6. I get 600 watts easy on ssb and dont even run hot using it all day long. All tubes are May 4, 2012 · If you have an amp that uses these tubes and want to keep it, consider having it converted to use 24LQ6 or 31LQ6 tubes. Jan 6, 2021 · 6LQ6 and 6JE6 and 6ME6 closely related, 6JS6 similar. Beam pentode featuring Novar construction with a special plate fin. It was easier to find octal sockets than the compactron sockets for the commonly used 6JE6/6LQ6. The PL505 operated as HV source. I went on to work in the solid state world, and mostly forgot about tubes. This is a suitable replacement for any 6JE6C / 6LQ6 / 6MJ6 tube type. A suitable power Oct 8, 2011 · NOS 6LQ6 tubes would sell in the US for $35 -$75 USD each. Because of this the 6LQ6 and all horizontal output sweep tubes for that matter were usually the no. A 6KG6 is about 1/2" taller than a 6LQ6 so you first need to see if you have room for a conversion. An SB-200, for example, goes for about the same price, for double the RF output AND uses real RF tubes that will outlast the sweep tubes by thousands of hours of operation. . for collins drake 6je6c/6lq6 rca,ge,sylvania $40 out of stock 6je6c/6lq6 used/tested $25. The 3 "sweep" tubes. 62 delivery. 6kd6, 6lq6 and the 6js6b. This is a heavy-duty version of the 6LQ6 / 6JE6C. Uses 6lq6 sweep tubes which are getting a bit harder to get these days. Stright pins and tight caps. I've heard a lot of comments about "other" amp builders abusing sweep tubes but the Yaseu, a Dentron, and an Amp Supply model ran them at 1200 Vdc OCV! Cost per watt, you're going to be much less expensive with an amp using different tubes. the tube there is plenty of safety margin to prevent tube damage in the event of accidental mistuning. Power tubes NOS and tested used - the best money can buy! (Good Value Pair) 6JE6C=6LQ6 GE like new and GE/Westinghouse NOS 1970's - 1982 (68ma and 72ma) $ 129. one reason for service calls for the average TV set, a decent money maker at markup for a service shop. Really good reviews on places like Eham. But TV's with this tube had a 2nd sweep tube, commonly a PL504 which did the sweep. 3A series heater. It is directly replacable with the following tubes: 6JE6C, 6ME6, 6LZ6, 6JE6A, 6JE6B, 6JE6 6JF6, 6JU6, 6KM6. Amplifying "AM" signals can overheat tubes due to their low power dissipation. ). The TV tubes list does have many of these tubes listed, and also vertical amp tubes and others. Even though the 6KG6A has a nine pin socket, it is wired internally different than a 6LQ6. Still helpful, but my intent was to try and help answer all the questions I get about sweep tube Feb 23, 2009 · The 3 tubes that intrigued me the most were the 3 largest. It has a Novar base, Grey plate, and Dual Halo getter. The The Dentron GLA-1000 series amplifiers have been resurrected by the importation of affordable Russina Sweep tubes. Better construction, thicker glass… These are tested guaranteed tubes. Though a 3-1000Z tube is used, the popular 4-1000A can be substituted as mentioned later. or Best Offer +$4. Many amplifiers were built around the 6JE6A and the 6JE6C is ZENITH Pair of 6JE6C/6LQ6 Ham Transmit TV Sweep Tubes Matched Identically. That's why they don't last long. There was a modification for a Dentron at the Svetlana website at one time that used four 6LQ6's. I wanted this one as it is a highly rated amateur radio sweep tube linear amplifier. The 6LW6 also put out more RF power. ) These sweep tubes, unlike the American ones, are as twice as thick and heavy as the American Sweep Tubes. Both tubes have a maximum plate dissipation of 1000 watts. V-sweep tubes are small and boring. I have a Swan 500C HF ham transciever. From about 1950-1980, SSB amateur radio equipment often used sweep tubes in "SSB" amplifiers. I briefly used this tube again when I played with RF amplifiers in the mid 1970's. I discovered the 6LW6 tube back when I worked in TV repair (1970 or 1971). Free Technical Repair Tip: Tube replacement notes: The 6KG6/EL509 tube still made in Europe & Russia can be used as a heavy duty replacement for a 6LQ6 & many other "sweep" tubes. One of these two pins must be locked-out, otherwise a false short will be detected. e. Some are new, some are used. From a philosophical perspective, the B&K approach is more true to the purpose of the lockout switches — they are meant to lock out internal shorts from being detected (example: pins 2 and 6 inside a 6LQ6 sweep tube are both connected to the control grid. 00 works great tunes everywhere. It's way cheaper to run an amp with 811A's in it. Sweep tubes would still get hot enough to crack the glass and fail, even with this breaker in the TV. So are they any reasons why you couldn't use these tubes in place of 6LQ6 and has anyone tried? Thanks for any comments. Further, these tubes are tested under load in a Linear Amplifier. Labels in stock include RCA, Sylvania, GE. Sponsored. Nov 29, 2009 · Welcome to Arizona Tube Supply where we have hard to find vacuum tubes for your audio gear, guitar amp, antique radios and vacuum tube ham radio equipment (boatanchors). They do have higher input capacitance than other sweep tubes, i. This amplifier is carefully shielded and filtered for the reduction of TV I. 99 SKU: 6LQ6 Category: Sweep Tubes Tags: 6JE6C, 6LQ6, Sweep Tube. These tubes will last longer and perform better. This in turn increases reliability under rated conditions. The Svetlana EL-509/6KG6 tube has been successfully used to convert the Dentron amplifiers from the factory supplied 6LQ6 tubes. E130L / 7534 is not a sweep tuibe, but a wideband amplifier tube. If you're looking for a particular brand, please message right as you order - we pack and ship quickly! Jan 24, 2019 · In the TV set, the Horizontal sweep is a MUCH bigger tube than the Vertical sweep. If that tube overloaded, it would trip out. ham radio - sweep tubes. The 6LQ6 was developed for use in horizontal sweep circuits in TV sets; hence, the name "sweep tube. So far, so good, but there's always a time delay on a breaker. If you could find one buy it. Jan 24, 2019 · Regarding the lists right at the thread start: PL505 had a 40V/0. 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