As to the sound, i only have experience with the 6sl7, but its a warm sound with nice low mids. Ibm engineer designs and handbuilds affordable tube audio gear. To convert from a 6sc7 to 6sl7 assuming the former was using both plates, move the wire from pin 3 to pin 1, and add a jumper between 3 and 6. In the case of a 6sl7 6sc7 the first number on the tube 6 designates a 6v heater.
Sovtek 6sl7gt datasheet pdf download adobe acrobat pdf reader. 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. Best sounding 6sl7 short glass version tubes advice need it. The great thing about the 6sl7 is that nos tubes are readily available at affordable prices. The holland made versions are similar in size to the tall boy usa types. Power tube selection charts for highpower audioamplifiers eimac,rcapage 1.
The brimar sounds awesome the best driver tube ive heard in this amp. Hi rachel, i just thought i would drop you a note having put the 6sl7 z tubes into my monobloc amps. Feb 24, 2016 ibm engineer designs and handbuilds affordable tube audio gear. The 6sl7 is a great smallsignal valve, useful in situations where the designer does not wish to miss a single electron on the grid. Nov 15, 2010 i have a tube integrated amp that uses two 6sn7s and two 6sl7 s followed by four kt88s. Which of these two options for the budget minded are the best in terms of sound and reliabilty. The pdf wholesale catalogue is the main way we do business. Vintage 6sl7 tubes hand picked for audio applications. Ibm engineer designs and handbuilds affordable tube audio. Hence the 6sl7 is a popular choice in the first amplification stages of highend phonopreamplifiers.
The heater is what makes the tube glow and it heats the cathode of the tube up hot enough to release electrons. Hi rachel, i just thought i would drop you a note having put the 6sl7z tubes into my monobloc amps. These are vintage tubes mostly from the usa with a few european types. Except for heater ratings, same characteristics as types. The 6sl7 goes highgain very well, and it does especially well with plate load resistors as high as 470k. The entire 1945 taylor tube catalog in pdf format note, 1. Here you will find our collection of ampeg schematics. Any exceptions will be noted on that tube s warranty tab. These usually have highmounted cylindrical plates, and brown micanol bases. Although theyve been going up in the last couple of years. Some say the vt229 are slightly more focused then the 6sl7 but at over three times the price i hope thats true and not myth. However, the bigger electrodes of octal valves often make them more prone to microphony, making vibration. Warranty information and return policy warranty period.
You can pretty much treat it like a 12ax7, but to get closer to the same biasingbehavior increase the cathode resistor value by roughly 20%. The tungsol 6sl7 name and trademark have been acquired by the new sensor corporation. I have around 2 to 3 thousand tubes, one box of nothing but 6sl7 s, one of 6sn7s, a box half full of the 6su7 and power tubes and all other types. Most recently we added measurements on the new jj 12ay7 and 6sl7 last update 27 april 2017. I have never heard bass like that from any amp, never mind a valve amp. For those of you who still have old computers running windows xp 32bit or any other windows 32bit os, i have setup the download availability of my old old standards. A highmu twin triode used in resistance coupled circuits, such as voltage amplifiers or phase splitters. Apr 09, 2009 for taming a bright system the rca 6sl7 are recommended. These nos rca red base 5691 either jan or commercial version are an excellent drop in replacement for any 6sl7 tube type. For taming a bright system the rca 6sl7 are recommended. I am not sure if this should be ok but i rather change them back to normal 6sn7. All our tubes are guaranteed for 3 months from the date of purchase. This tube was first produced by rca which called the 5691 one of its special red tubes due to the red colored low. Gec twin triode,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
Vt229 and 6sl7wgt variants are military spec versions. This one has a lot of pages from the european philips tube manual. Note that all philips subsidary companies mullard, valvo, etc and allfactories that made tubes under philips license used these codes ei, toshiba,siemens, etc so its not limited to european. Various brands available but all are made by rca with red base. Hickok documentation, manuals, schematics, and catalogs. Register to access all of the benefits reserved to registered users or click on login if you are already registered.
The premium qualities of the 5692 include a longlife cathode rated at 10,000 hours along with extra support rods and mica spacers to eliminate microphonics. This new production tungsol 6sl7 tube is manufactured at their xpopul factory also known as reflektor in saratov, russia. If i get run over they will probable get chucked into the landfill. There is a label below each tube socket that indicates a standard tube for the amplifier. Weve also added measurements on the toshiba 2sk209 lownoise audio jfet, as an interesting comparison to the tubes. Jj electronic vacuum tubes, capacitors, amplifiers. View and download musical fidelity kw550 instructions for use manual online. The 6sn7gtb is a mediummu twin triode suitable for use in a wide variety of generalpurpose. 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. Tv picture tube adapter for model 666666k tube testers.
These specifications are provided asis, with no warranty of any kind. These are sweet and rare versions of the 6sl7, and are plug and play compatible with any 6sl7 or 5691 type tube. Tube 6sl7 or rohre 6sl7 id2112, double triode, octal int. The driver stage employs a type 6sn7 tube with the two.
Tavish designs vintage 6sl7 phono preamplifier brings out the best in the sound of the audiophiliacs lps. Screen dissipation maxw these specifications are provided asis, with no warranty. Vplate250v, vgrid4, iplate3ma, gm1750, rplate25kohms. Higher mu makes this tube desirable for use in voltage amplification stages of audiophile tubes. Thanks for the excellent service i will recommend you to others looking for tubes. Registered users can share their experience with this product. The type 5691 tube is a premium version of the type 6sl7. Eimac power grid tubes quick reference catalog 175 pdf.
Download a pdf file of all 211 pages at once by clicking here. The uks leading electronic valve and tube wholesaler and retailer. All of these pdf files are available for free download. Cv1988 6sn7gt ecc32 not a direct equivalent as heater current is different and bulb is larger. I found out that the preamp tube 6sn7 was replace by 6sl7 by a previous owner. Musical fidelity kw550 instructions for use manual pdf download. Staying with new production option of the sovtek 6sl7gt and the newer tungsol 6sl7gt.
Worlds best 5691 6sl7 nos rca red base dual triode perfect matched pair 1956 dgetters blackplates with reinforcement bars and beautifully red marbleized bases 10,000 hour low noise substitute for a 6sl7gt 5691 rca holygrail red base black plates 2a3 amps jule amps brenda k. The sovtek 6sl7gt is a good 6sl7 tube for those folks on a tight budget. Vt229 rca black base, black round plates, graphite coating if your system sounds a little too analytical, harsh or electronic this may be your favorite tube. Use of these parameters shall be entirely at the users own risk. Just click on any of the above images to download a pdf of the user guides. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. Tungsol 6sl7gt datasheet pdf download adobe acrobat pdf reader. I love the rich tone of the octal tubes like the 6sl7 over that of the 9pin tubes as the 12ax7.
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