The 6cw4 nuvistor from rca is a triode for use at vhf and built into a small metal case. Tube 6dz7 or rohre 6dz7 id4799, double pentode, octal int. This great amplifier is a classa, pushpull amp using a pair of 6b4g directlyheated triodes as the output stage. The base is ceramic sealed to the metal case and five fine pins, on a 12 pin grid, form the connections and the electrode supports internally. The nuvistor is a thimblesized vacuum tube enclosed in miniature metal rather than glass that promised highreliability, lownoise, and lowpower operation. With almost datasheets and the visitor counter indicates over 4000. Hhscott vacuum tubes 6cw4 6ds4 nuvistor applications. The information provided is and remains the sole property of kennedy tube audio a. Hammond single ended tube output transformers 1627. It is especially useful as a local oscillator in high frequency and very high frequency receiver circuits. If the page is blank click here sylvania 12dw7 datasheet.
Read all applicable instructions before attempting to use the tool sf99 servo bore repair system. Slots and openings on the cabinet top, back, and bottom are provided for ventilation. Full operating details are to be found in the data sheet, but in essence the operation. Our preferred method of payment is via wire transfer of funds. Tubes cant be substituted since they have different bases but are electrically similar. Tube 6bw4 or rohre 6bw4 id3754, fullwave vacuum rectifier, noval, b9a and powersupply shown. Tube 6dw4 or rohre 6dw4 id4789, damper, booster, flyback diode, novar, b9e bigger than noval, usa 1959 and shown. 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. V202 is located in the rf subassembly, where it is used as the 1st mixer. I have been using this amplifier as the main amplifier. Plate loading choke can be anything from 10h to 50h, with enough curent capability for the tube being used. Description all tubes new, military equipment and have otk mark. If you make this connection you will have a 700 volt potential difference on those two pins, depending on the set of course.
If any electricity gets across that little gap between those two pins you can kiss the tube, the socket and possibly your power transformer. To put item to basket click on the basket picture or price. 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. Jumper pins 2 and 7 of rt510 with a piece of wire, replace v505 the bfo oscillator tube and v701 the pto oscillator tube with 12ba6 tubes. A kennedy audio labs, and is provided with the understanding that this information is for personal use only. To ensure safe and reliable operation of this unit, and to protect it from overheating, do not block or cover these. Usa brands such as sylvania, ge, tungsol, national union, etc. The 6dw4 is an efficiency diode for american 525 line television receivers. Possession of this information in no way constitutes a license to use said. Data for soviet tubes can be found the same way as the other tubes. The 6c4 will work as a replacement, but sometimes not quite as well as the 6c4wa. Numbers shown in light blue background are coldcathode tubes.
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. Ideal security means meeting your specific security demands effectively and. Best to ask when you need a tube electrically similar. I think its a beautiful sound straightforward like triode. Over designed for single ended tube output circuits triode, tetrode or pentode tubes. All of which it needed to have any hope of competing in the brave new solidstate world emerging when rca introduced it in the 1959. Download duncans utilities and tube database software.
I am working on scanning and placing on this page the entire rca hb3 tube manual. Use keywords to find the product you are looking for. Like mentioned 6j5, 12 6sn7 and 12 12au7 will all work in most circuits designed for 6c4 but this wont be found in books. The tube is manufactured by the oktjbr, vinnitsa, ukraine. The 6c4w tube will not work as a replacement for the 6c4wa in the r390a. View and download kenwood kdw4ttsl owners manual online. Just make sure you do a very very very good job of soldering on pins 4 and 5.
For all technical parameters please see the general electric data sheet. The 6c4 is a miniature, mediummu triode suitable for use in a wide variety of general purpose applications. Antique radio forums view topic 5y4g is there a substitute. The 1959 book lost some older tube data, and some of the good info in the appendix, but gained a bunch of picture tube crt data, modern tv tubes, as well as. For general purpose or replacement use in single ended tube output circuits see our 125se series enclosed shielded, 4 slot, above chassis type x mounting, both end bells include knockouts for optional above chassis wiring. The information contained on this website is for information only. Ge essential characteristics, the whole 228 page book in an indexed pdf file big, 11mb. One caveat, these trannies do not like to have any dc voltage on teh primary winding, it is good for capacitor coupled parafeed only. Triode nuvistor tube data provided by duncan amplification.
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