N6jb6 tube data booklet

Have you priced a matched pair of 6jb6s for your drake. The 6j2p pentodes are miniature devices enclosed in glass bulb and are provided with a sevenpin base, rigit leads and an indirectly heated oxidecoated cathode. Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages. Use keywords to find the product you are looking for. Check out the massive plate in this tube, it wouldnt glow even with 40 watts of dissipation. We fear much the same is true of many familiar british valve types. The 6j6 tube is a dualtriode tube rated for 300v on the plates. Same basing as the 6f6 and a 400 ma heater, versus 700ma for the 6f6.

If you need more than the quantity available, please email us at. This karola is a 5tube acdc radio using all loctal tubes. Interpretation of the post 2000 temperature standstill abstract the period from 2000 to 2016 shows a modest warming trend that the advocates of the anthropogenic global warming theory have labeled as the pause or hiatus. Was the cayin designed with a different tube than the one advertised. If you have you probably understand my interest in a. The result is a highvoltage tube circuit that is more or less selfbalancing for the tube pairs. Scott stereomaster products include tuners, amplifers, speakers. The 6k6 appears at first glance into the sylvania tube manual to simply be a less powerful tube. Rg, i had the dx20 as my first rig, and it used the 6dq6. I live in dread of the day that my t4xbs finals give out. There are no schematics or other information available for karola radios, and very little is known about the brand.

Hhscott reference for fans of vintage vacuum tube scott consumer hiif components from 1946 to 1966. These signals will be translated to lvds and two identical copies of clock or data will be distributed, operating up to 2. These labels were chosen to indicate that the observed temperature standstill period results from an unforced internal. Under 6lq6, they say the 6je6c is electrically equivalent to the 6lq6. High cgp is a definite nono, but all domestic tubes measured were very close, and low, across all brands. An interchangeable north american type is the 6bq5 the retma tube designation name for the el84. Radio corporation of america electron tube division harrison, n. I have a cayin tube amp that uses chinese 6n6 tubes does anyone know of a replacement nos tube that would work as an upgrade. For 6je6, they give no electrical data, just refer to the 6je6a as the replacement. This is historic data that we found on the internet. Although offered in good faith, there are no guarantees with this information. Drop in tube replacement 6n6 v 6cg7 audiogon discussion. The 6j6 is definitely allamerican and the ecc91 is a later copy. Ive seen the ads saying the 6ju6 tube is a substitute for the 6bj6 tube used in the drake transmitter equipment.

You will need to be an experienced test technician to carry out these repairs. They are physically the same, and what little electrical data is given. Of course power output will depend on plate and screen voltage, load impedance, and so on. The model number and year are unknown likely 1946 or later. A word about the use of sylvania tubes in drake equipment. For 6je6b, they refer you to 6lq6 as the replacement. The el84 was developed to eliminate the need for a driver tube in radios, so it has rather more gain than is usual in a power pentode. The el84 is smaller and more sensitive than the octal 6v6 that was widely used around the world until the 1960s. Methodology the details of how i performed my measurements and the raw test data follow. Fortunately this is not a universal truth, when european industry recovered from the late 1940s onwards much original work was done here in europe. We may have more in cases that have not been tested and logged into our inventory. At the time philips had already developed and patented power pentode designs, which were rapidly replacing power triodes due to their greater efficiency. I have owned many different pieces of drake equipment and have never had anything but stellar performance from all american made 6jb6srca, ge and sylvania. By coincidence, im working on a silvertone 4590 which also uses 6n6 tubes.

Tube 6jb6 or rohre 6jb6 id4025, beam power tube, novar, b9e bigger than noval, usa 1959 and poweroutput shown. Its a common tube to swap in a jim kelley amp, as it handles the higher voltage well. Please see the substitutes at the top of the page for more details. It is a myth that you need to use sylvania tubes in drake equipment. The drake t4xb was used as the fixture for testing 19 6jb6 tubes for power output. The beam tetrode design of the 6l6 allowed rca to circumvent philips pentode patent. Pdf 250radio 92cmii635 6jb6 6jb6 tube 6jb6 a tube 6jb6 amplifier beam tube 6jb6 novar 200 tube socket horizontaldeflection. This idea has enough merit to warrant further investigation.