By coincidence, im working on a silvertone 4590 which also uses 6n6 tubes. The 6j6 tube was part of a series of tubes of the same design, but different heater voltages. Rca homeentertainment and industrial receivingtype tubes and on picture tubes. The 6bg6 was used in a lot of early postwar tvs as the horizontal output tube. Any homemade or commercially built cabinet of suitable size more than 14 x 12 x 6inch may be employed. Application in tv scan modules, power amplifiers and generators. It runs an ez81, a couple 12ax7s and a pair of pp 6gk6 power tubes. Rfc3, the plate rf choke, is wound for operation at low impedance over the range from 3.
A pretty nice amp, full of the bluemolded signal caps like old fender blackface amps. Sansui used the pl36 thats also a 25e5 as an output tube in several of their amps. Tube 6bq6 or rohre 6bq6 id18675, beam power tube, and shown. Some additional information on tubes related to the rca type 1. Plugging a tube baseandcrystalsocket adapter into the 5pin socket allows ft243 crystals to be used. Boxes may have signs of wear from being stored all tubes tested before listing and are guaranteed for 30 days yes. The plate cap was not a cap soldered to a thin wire emitting from the top of the tube but an integral molded part of the top of the tube in the form of a ribbon of metal from the plate or anode to the top of the tube and. The 1943, 1949 and 1959 sylvania tube manuals online. Tube 6dq6b or rohre 6dq6b id4779, beam power tube, octal int. If you have you probably understand my interest in a lower cost substitute replacement. Have you priced a matched pair of 6jb6s for your drake. Methodology the details of how i performed my measurements and the raw test data follow. Description the 6j5p 65 hightransconductance pentode has been designed for h.
Amp builders loved em because they could make the magically fashionable 60 watts, as a beam pentode having beamforming plates rather than a conventional wire. I am working on scanning and placing on this page the entire rca hb3 tube manual. Pentode, 6bz6 datasheet, 6bz6 circuit, 6bz6 data sheet. The 7189a has different internal pin connections different than a 6bq5 el84 cv2975 e84l 7189 tube type. Sweep tubes 6jsc6c 6je6c 6lq6 6mj6 40jsc6c for sale. The next few pages contain the data sheets for the 8950, and the 6lb6, and a truly bestial tube, the 6lf6. Im determined to buy a couple of these and try them in my rig. Please see the substitutes at the top of the page for more details.
Im converting an old thomas organ amp into an 18 watter. The market for these tubes during the heyday of tubetype tv. 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. With almost datasheets and the visitor counter indicates over 4000. Shadow grid beam pentode beam hexode on datasheet, vhf amplifier. The drake t4xb was used as the fixture for testing 19 6jb6 tubes for power output. Try to find 3 or 4 new tubes of the same type and match them up in the circuit. High cgp is a definite nono, but all domestic tubes measured were very close, and low, across all brands. The anodes are u channel sections either side of the central cathode. Here are data sheets from three different mfrs of the 6j6 tube family pdf files. Our preferred method of payment is via wire transfer of funds. The sansui receiver not to be confused with the a the ea receiver and also another amp used this as an output tube. The construction has a common flattened tube cathode, with the control grids either side.
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. Due to coronavirus covid19 we have limited staff working on location. According to the 1946 sylvania tube manual, the 6n6 is a dual triode with direct coupling from one section to the other, and is the octal equivalent of the 6b5. Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages. It was a 6mj6 tube that was substantially heavier all the way around. As of 3505, i have finished scanning the general section, receiving tubes part 1, receiving tubes part 2, miscellaneous, specialpurpose receivingtype tubes, thyratron, ignitron, and glowdischarge tubes, and most of the transmitting tubes, as well as all.
Unlike the 19j6 or 5j6 tube, however, numerous manufacturers produced the 6j6 tube in great numbers. Aug 16, 20 the 76 and 6p5 are the same tubes with different bases 5 pin and octal respectively. Ive seen the ads saying the 6ju6 tube is a substitute for the 6bj6 tube used in the drake transmitter equipment. Numbering of contacts in 6p41s is identical with numbering in 7868 required adjustment of the bias voltage for 6p41s.
The 6j5p pentodes are miniature devices enclosed in glass bulb and are provided with a sevenpin base, rigit leads and an indirectly heated oxidecoated cathode. Gec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Numbers shown in light blue background are coldcathode tubes. Triode u a 450 v u g2 450 v w a 30 w pentode u a 500 v u g2 450 v w a 30 w grid no 1 circuit resistence fixed bias 0,1 m. It does not have the same wattage ratings and will make the amp clip faster. Tube 6jd6 tube sharp cut off pentode 1800rfparts 18007372787 17607440700 usa orders. The thin glass tube envelope is 18 mm diameter and 44 mm high excluding the b7g base pins. Its a common tube to swap in a jim kelley amp, as it handles the higher voltage well, and tames the volume a bit. Vacuum tubes, sockets, capacitors, nixie and electron tube accessories. For more information on 6cg7 6fq7 vacuum tubes including pinouts, ratings, application and possible substitutions visit 6cg7 in duncan amps. The 6lq6 tube was originally developed for use in horizontal sweep circuits in tv sets. Gec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated.
Tentative data volts volts volts volts volts ohms rca6be6 is a miniature multielectrode vacuum the singleended type designed to perform simul the functions of a mixer first detector tube of an oscillator tube in superheterodyne circuits. Description the 6j2p 62 highfrequency shortcharacteristic pentode has been designed for h. It is directly replacable with the following tubes. These are not actually designed as audio valves but rather to superceed the 6cm5 in 23inch black and white tv line output stages which explains the really berzerk several kilovolt peak rating of the anode. Make offer 6dq6b vacuum tube rca and motorola tested good. Identical to the 6bq6 ga except for heater ratings and addition of a controlled heaterwarmup characteristic. With an rms plate dissipation of 40 watts vs 33 for the 8950, the have to be more rugged. Singl tube pushpull u a 250 v 270 v u g2 250 v 270 v u g1 14 v 17,5 v i a 72 ma 4 ma i g2 5 ma 11 ma r a 22,5 k. 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. Data for soviet tubes can be found the same way as the other tubes. Antique radio forums view topic 6n6 replacement tube 6k6. The glass envelope was 4 times thicker for starters. Naval training school booklet outlining proceedures.
I had some and used them in my jks when i had them. Check out the massive plate in this tube, it wouldnt glow even with 40 watts of dissipation. Tube 6j6 or rohre 6j6 id2693, double triode, miniatur7pinbase b7g, usa 1940 and vhf shown. Refer to the 6bq6 ga description and rating sheet for complete data. The 6y6 is a 6v6 type and can be used in its place. I have an older ameritron sweeptube amplifier that uses 4 6lq6 that only does 400 watts which is what the owners manual said it would do but again this is also give or take depending on the band your operating on. Buy 6jg6 vacuum tubes online, in stock and ready to ship. Test results using the 6ju6 tube as a substitute for.
The 6me6 vacuum tube is a novar type used as a horizontaldeflection amplifier in color and bw tv receivers. I wouldnt expect to get a real idea of the quality of a tube type from two random used tubes. Btw, the 6mj6 is a heavier duty replacement for the 6lq6. Il s 31lq6 beam power tube novar type the 3llq6i s the same as the 6lq6 except for. The biggest advantage that this tube has is that it is still cheap to purchase.
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