I can understand where the average tube roller wouldnt have a clue about that, though. The electro harmonix 6ca7 is not and i repeat not a power pentode like the original 6ca7s were, in fact they are beam tetrode as stated on the electro harmonix website. Valves and electron tubes, indexed 67page tube manual big, fullcolor, 9mb pdf file. Before the advent of semiconductor devices, thousands of tube types were used in consumer and industrial electronics. The 6u7g was made in huge quantities during world war ii 19391945 for use. The basic research i have done between the 2 tubes using tube data sheets and they seem to indicate very similar characteristics. Tube 6u7 or rohre 6u7 id2852, vacuum pentode, octal int. A friend of mine would like to re tube her gibson falcon. Can the 7af7 be rolled in for a 6sn7 in any pre amp using the 6sn7 i currently use a blue circle bc. 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. Complete tube data is in every single box, like big transmitting us wwii tubes. Recent listings manufacturer directory get instant. This data booklet has been compiled for use in maintenance work by the radio trade. From a pricing vantage point other than the one time purchase of the adapters there is a big difference in price for the tubes.
I have more than 100 pieces, most of them were made in 60s and 70s, this batch is from 1962. In fulfilling its stated purpose reduced hum and noise, it was in direct competition with the 7025. A few specialquality tubes did not have a standard equivalent, e. Both 6p7s and 6bg6 tubes has the same pinout and nearly the same characteristics. The 6n24p double triode is designed for amplification of highfrequency voltage in cascade circuits of radio equipment of wide use. So now i understand why the 6eu7 doesnt see much use, but still, can anyone come up with other equipment that does use it.
This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. I was wondering if there is another tube that can be substituted for the 6eu7 that is less expensive with out having to do any. I am working on scanning and placing on this page the entire rca hb3 tube manual. The obvious differences are the pinouts loctal vs octal. Electronic valve philips, pentode, type 6u7g, 19461960. If you benefit and learn from the fdp and enjoy our site, please help support us and become a contributing member or make a donation today. January 1939 radiocraft table of contents wax nostalgic about and learn from the history of early electronics. These specifications are provided asis, with no warranty of any kind. Downloads, supreme instruments manuals, tube data, and. Shes short on cash and they seem to be a bit on the pricey side. The fdp counts on you to help keep the site going with an annual contribution. Typical radio receiver and amplifier circuits 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16. My bias started drifting alot on one side, i switched them around and the drift moved over so i new it was a tube, which i learned here. God bless america and our men and women in uniform illegitimi non carborundum.
The ratings are the same as the older 6r7 with a top cap. Medium 7pin other characteristics of this type are the same as for type 6n7. The 6u7g was made in huge quantities during world war ii 19391945 for use in. Purchasers beginning on their tube rolling odysseys beware misleading first impressions. Discussion in amps and cabs started by straticus, feb 18, 2009. This tube is not a direct 6bg6 clone, it is an octal modification of g807 tube, which one was soviet clone of famous 807.
And unlike the 6eu7, the 7025 was a direct substitute for the 12ax7 in all cases. A cip record for this book is available from the british library. Etc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. The 6n9s double triodes are enclosed in glass bulb and are provided with an octal base and an indirectly heated oxidecoated cathode. Our preferred method of payment is via wire transfer of funds. Supreme instruments manuals, tube data, and schematics all supreme instruments corp.
The 6p7s output beam power tetrode is designed for operation in line scanning output stages of tv receivers. Colonial model 652 5tube broadcast shortwave superhet radio service data sheet march 1935 radiocraft. The 6n9s double triode is designed for amplification of lowfrequency voltage. At the end of the examination, fasten all your work securely together. The s indicates that it is a single ended valve ie no top cap. After a dozen onoff cycles and about 20 hours playing music while doing other things, your old scribe sat down to listen and establish whether some critical listening could begin, knowing this is at least hours short of the recommendation. 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. The number of marks is given in brackets at the end of each question or part question.
Click to see all 6sn7 6sn7gt 12sn7 12sn7gt in stock. If the page is blank click here rca 6fq7 6cg7 datasheet. Miniwatt was the brand used by philips on their valves. I have more than 100 pieces, most of them were made in 60s and 70s, this batch is from 1962 complete tube data is in every single box, like big transmitting us wwii tubes. Tube 6u7g or rohre 6u7g id2721, vacuum pentode, octal int. The american government specification vt233 is a double diode triode sharing a common cathode and the commercial type designation is 6sr7. Amplifier pentodes such as this would be agc controlled gain stages in superhet receivers.
I was wondering if there is another tube that can be substituted for the 6eu7 that is less expensive with out having to do any mods to the amp. A rca53 class b twin amplifier the 53 is a heatercathode type of tube. But the issue is tube venders are saying it is a direct substitute for an el34 in all situations. Valve data book 1951 franks electron tube data sheets. In this section every valve included in this manual is listed in alphanumerical. A flat sheet beam is electrostatically deflected across the anode which is. Remote cutoff pentode designed for use as an rf or if amplifier in radio receivers. Double triode, 6h8c datasheet, 6h8c circuit, 6h8c data sheet. Oct 24, 2011 6cs7 mediummu twin triode tube vt6cs7 6cs7 twin triode tube, new old stock, boxed. My tubes didnt fry, but one thing ive learned here so far is to watch for and prevent poofs. So with my constant bias checking i feel confident enough to give them another shot. 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. For additional data and curves, see types 6ttj and 6a6, and the resistancecoupled amplifier chart.932 1388 793 1484 1024 670 1305 780 1294 1044 1161 619 477 1232 1162 310 261 469 885 234 227 1084 149 555 339 675 83 215 29 592 296 1151 646 1336 1328 954 1074 203 506 1444 17 917