The holland made versions are similar in size to the tall boy usa types. These usually have highmounted cylindrical plates, and brown micanol bases. Best sounding 6sl7 short glass version tubes advice need. Higher mu makes this tube desirable for use in voltage amplification stages of audiophile tubes. As to the sound of properly designed and implemented parallel tube circuits, please refer to volume 12, number 5, 2000 glass audio article.
Most we have are branded either brimar or military braniding with the cv1985 part number. To create pdf files, you just have to print your documents to the dopdf free pdf converter. 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. I havent listened to chinese tubes so i cant express an opinion there. They are poor at driving anything resembling an awkward load. H via canada postyou will find all of the information for this tube in this link there are two tubes. A highmu twin triode used in resistance coupled circuits, such as voltage amplifiers or phase splitters. Sovtek 6sl7gt datasheet pdf download adobe acrobat pdf reader. But i can assure you that the tube he has pictured sounds almost nothing like a sylvania vt229. The amp will not be ruined with the 6sn7, as it has hardier specs than the 6sl7, and 6sn7s are sometimes identified as substitutes for the 6sl7. Register to access all of the benefits reserved to registered users or click on login if you are already registered. Ecc35 tube used tested mullard sweet 6sl7 for sale.
I have around 2 to 3 thousand tubes, one box of nothing but 6sl7s, one of 6sn7s, a box half full of the 6su7 and power tubes and all other types. The evolution of a constant glow in high fidelity hifi tunes. Ibm engineer designs and handbuilds affordable tube audio. These are sweet and rare versions of the 6sl7, and are plug and play compatible with any 6sl7 or 5691 type tube. In the case of a 6sl76sc7 the first number on the tube 6 designates a 6v heater. Tv picture tube adapter for model 666666k tube testers. Brimar uk made 6sl7gt are probably the best sounding 6sl7 you can find. If you can conquer imbalance, aka current hogging, the sound should be much better. Open a document with microsoft word, wordpad, notepad or any other software, choose print and select dopdf.
This unusual rca 6sl7gt tube has a short bottle with gray plates plates and a bottom getter. Hi rachel, i just thought i would drop you a note having put the 6sl7z tubes into my monobloc amps. Vt229 and 6sl7wgt variants are military spec versions. Tavish designs vintage 6sl7 phono preamplifier brings out the best in the sound of the audiophiliacs lps. You can rectify the 6 volts ac and make it 6 volts dc and avoid the 60 hz hum generated by running these tubes from a 6 volt ac power source. Which of these two options for the budget minded are the best in terms of sound and reliabilty. Grid stopper resistors of 100 ohms at each grid would also be a good idea. If that is the case then put in just the power tubes and remeasure. Then just try different 6sl7 tubes until you get a good match. In latin alphabet basic counterparts equivalents some european and american analogues double diodes. High r p low gm types, like the 6sl7, 12ax7, and 6sc7 are wimps.
This tube was first produced by rca which called the 5691 one of its special red tubes due to the red colored low. Operating the 2 6sl7 sections in parallel halves r p and doubles gm. I love the rich tone of the octal tubes like the 6sl7 over that of the 9pin tubes as the 12ax7. Ibm engineer designs and handbuilds affordable tube audio gear. Ecc35cv5696sl7gt mullard 1950s 1960s this 6sl7gt sounds superior to any us made 6sl7gt. If you pull all the tubes and remeasure voltage and it is still low then it is probably that filter cap. Tube testing equipment why we dont sell certain brands filter by all 12at7 ecc81 6201 cv4024 12au7 ecc82 cv4003 5814 12ax7 ecc83 cv4004 5751 6922 6dj8 7308 pcc88 6sl7 5691 cv1985 6n9 6sn7 5692 cv1988 6n8 hide price. Originally released in 1939 it was officially registered in 1941 by rca and sylvania as the glasscased 6sn7gt, originally listed on page 235 of rcas 1940 rc14 receiving tube manual, in the recently added section, as.
This new production tungsol 6sl7 tube is manufactured at their xpopul factory also known as reflektor in saratov, russia. The 6sl7 was never as popular as the 6sn7due to the 6sn7s widespread use in television chassis designso this tube does not turn up as often whenever vintage tubes are being sold. I have a tube integrated amp that uses two 6sn7s and two 6sl7s followed by four kt88s. Find a pair of tungsol nos rp vt2296sl7s if you want the best sounding 6sl7. The heater is what makes the tube glow and it heats the cathode of the tube up hot enough to release electrons. If i get run over they will probable get chucked into the landfill. It will ask you where to save the pdf file and when finished, the pdf file will be automatically opened in your default pdf viewer. Posted by danlaudionut a on november 4, 2008 at 10. Despite the fact that my love stays with dhts, ive designed and built this amp to fill a gap that i thought it was worth the effort.
Registered users can share their experience with this product. The amp was designed with the 6sl7 in mind the amp factor of 70, so i do not why you would want to substitute a 6sn7 for a 6sl7. Screen dissipation maxw these specifications are provided asis, with no warranty. Preamp tubes 6sl7gtvt229ecc35cv1985cv569sub for 6n9p brimar 6sl7gt cv1985 uk made. I am not sure if this should be ok but i rather change them back to normal 6sn7. It is, in the proper circuit, a wonderful sounding tube, and audiophiles would do well to try the nos vintage 6sl7 tubes before buying anything currently made. New sensor is an american corporation and since taking ownership of this factory has been steadily improving the quality of current production tubes. Ya, my b15n has 6sl7s and i love it, yet my svt and v4b have 12ax7s and i love them, too. Although theyve been going up in the last couple of years. The sovtek 6sl7gt is a good 6sl7 tube for those folks on a tight budget. I have never heard bass like that from any amp, never mind a valve amp.
1216 905 283 303 833 132 1324 16 1487 519 609 1096 1164 83 891 467 471 1536 644 711 1050 280 1182 1051 1128 1422 15 431 870 843 404 1020 1102 716 70 1477