Tungsol 6sn7gt black tplate mouse ears mica tube maze. Later versions of this tube have squared ears, and even later versions, the ears disappeared. How good are nos tung sol 6sn7 tubes late 50s, 60s. Get the datasheet here, and more details on the 6sn7 can be found here. If that is the spec they go by then those are the correct numbers. Gec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors.
If you can affort and find, try nos tung sol 6su7, which is 100% replacement of 6sl7. I have seen cases where amplifiers by design had well over 400 volts on 5881 tubes back then. Ecc35, this is also listed in the avo valve tester manual as a 6sn7 equivalent. Super linearity, low noise, and full performance ratings make this one of the best 6sn7 tubes ever made. The tung sol 6sn7 name and trademark have been acquired by the new sensor corporation. I based that purchase on postings indicating the 6sn7 version was good. Ive been seeing new 6sn7 tubes listed from jj, eh, northern electric, tung sol. Warranty information and return policy warranty period. As always lets have a look at the plate curves as shown in the data sheet and compare them to traced curves from real life tube samples.
All of these are better than any new production 6sn7 s. The 6sn7 is basically two 6j5 triodes in one envelope. Vacuum tubes radio tubes 6as7g datasheet, 6as7g pdf, 6as7g data sheet, 6as7g manual, 6as7g pdf, 6as7g, datenblatt, electronics 6as7g. This new production tungsol 6sl7 tube is manufactured at their xpopul factory also known as reflektor in saratov, russia. All these links open in a new browser window so that you can return quickly to this page without having to reload. Tung sol 6v6gts are the holy grail for players who crave the sound of a fender princeton, deluxe or champ, or those who revere the tone of the earliest ampeg jet and rocket. Block diagram, pinout and 6as7g circuit application inside. The tung sol 6sl7 name and trademark have been acquired by the new sensor corporation. Here is the set of plate curves as shown in the tung sol data sheet. New sensor bought rights to tung sol and mullard brand names a few years ago to add credibility to their russian made tubes. When its run in circuits designed for 6550kt88kt90 tubes, the tungsol kt120 resists being overdriven and reliably delivers peak power. Date codes for tung sol tubes 2channel home audio the.
These tubes sound great, they stay quiet and have been solid and reliable. Eimac power grid tubes quick reference catalog 175 pdf. The price is a give away, but please search for 7n7 in the general price list. Requests for further technical data on any tung sol tubes should be addressed to. Tung sol 6sn7gtb datasheet pdf download adobe acrobat pdf reader. With a plate dissipation of 60 watts, the tungsol kt120 is the most powerful tube in the 6550kt88kt90 family. The tung sol 6sn7gtb preamp tube have super linearity, low noise, and full performance ratings make this one of the best 6sn7 tubes ever made. Ive found some nos tung sol 6sn7 tubes that may be from the late 50s or maybe the 60s. This in no way affects the sound or service life of the tube. Recent listings manufacturer directory get instant.
This is the early version of this tube, from the 1940s, some with an internal rf shield sprayed on the inside of the glass. Twin triode, 12ax7 datasheet, 12ax7 circuit, 12ax7 data sheet. The tung sol 6sl7gtb is probably the best current production 6sl7 available. Details and compression with good tone tung sol 6sn7gtb. Get the best deals on vintage nos tubes when you shop the largest online selection at. I have several older tung sol tubes and it was driving me crazy that no one seemed to know what the lettered date codes signified. It embodies a complete mechanical redesign which results in greater resistance to shock and vibration. Shop for the tung sol 6l6gc str matched power tubes in medium duet and receive free shipping and guaranteed lowest price. Tungsol 6sn7gtb reissue, made by new sensor in russia. Genuine tung sol are superior, provided they are not defective or worn out. Tung sol 6l6gc str matched quad valve tube guitar amps.
Im looking for some wisdom from on high as it were. The 5881 is the electrical equivalent to types 6l6 and 6l6g except that the plate and screen dissipation ratings have been increased approximately 20 percent. Order tungsol 6sn7gtb vacuum tubes online, in stock and ready to ship. But the choice is whether or not to trust that the new senser tungsol 5881s can do the same. For 6sn7 i highly recommend nos mullard ecc33, brown base, short bottle, but thats only if your amp can take that tube, ask almarro guys directly. Tungsol reissue 6sn7 vs eh 6sn7 differences audiogon. You can also take advantage of our system matching expertise with a free system consultation. It has all the sparkle and depth you want without the high price of nos. Imagine a couple are relabeled from the same factory. Each half of the 6sn7 is electrically equal to the 6j5 triode. Can anyone recommend newer versions,that sound really well,and have low noise. With 6sn7 nos, we need to look at the original data here. Lowest noise and microphony with the tightest triode balance we have.
Some might say the boutique tube market is dinking a bit too much with the specs and nomenclature. Below is some quick notes on my experiences with 5 different 6sn7 or equivalent, tubes. Vacuum tube 5881, tungsol reissue antique electronic. Block diagram, pinout and 12ax7a circuit application inside. The tung sol 12ax7ecc83 is the gold standard of preamp tubes favored by guitar tone junkies, and one of the most important links in your tonal chain. The str means special tube request and are built to the specifications of those amp manufacturers which they requested in the 1960s. Be sure to insist on genuine tungsol vacuum tubes the next time you retube youll be getting the absolute best possible tubes for any demanding. Requests for further technical data on any tungsol tubes should be addressed to. Got a pair of each of those so called reissues and compared them with my old noisy almost dead tung sol 6sn7gtand 6sl7gt.
The tung sol 12ax7 pair are vibration tested at the factory to ensure low microphonics. Valvo 6sl7 which hirsch really liked in his ear hp4 tube rolling thread more tung sol 6sl7 round. If the page is blank click here sylvania 6sn7 datasheet. Not going to do all that again so will keep this shorter. We burnin, test, and match all of our tungsol tubes.
This new production tungsol tube is manufactured at their xpopul factory also known as reflektor in saratov, russia. They also vary somewhat depending upon when produced. The tung sol 6l6gc str matched quad is a clone of the legendary philips 6l6gcstr and they deliver the ultimate in musical tone and smooth overdrive. The new tung sol 6sn7gt is a favorite among classic hifi enthusiasts. The deluxe reverb has its screen voltage a 410v which is far from the datasheet value of a vintage 6v6gta which i think recommends a max of 315v screen. Nuvistors were the latest tube development at just about the same time as the introduction of the first integrated semiconductor circuits. Sep 28, 2014 i have several older tung sol tubes and it was driving me crazy that no one seemed to know what the lettered date codes signified. Tungsol 6sn7gtb tubes by steven d questions about tubes and gear that glows. May 21, 20 well, i had this post nearly licked, and it disappeared. Most of the datasheets are in pdf format and some are links to other html pages.
Here are some wonderful 1940s premium tung sol real thing. I now have owned an audio icon ps3 phono pre that utilizes 4 x 6dj8ecc88 tubes, and 1 x. Its kind of a round about way to identify good sounding tubes. Tungsol 6sn7 melbourne australia tube audio melbourne. Tung sol 6sl7gt datasheet pdf download adobe acrobat pdf reader. Most of these datasheets are in english except where noted otherwise.
We design and manufacture our tubes, engineered for demanding high fidelity, reliability and overall warmth. Tung sol 12ax7 pair for value and a superb musical preamp. According to the new sensor website, the kt120 in pp configuration, with its 60w plate dissipation rating, can produce 150w or more. I just got a pair of tung sol 6sl7s with round plates and they sound great. Tungsol 6l6gc str matched power tubes medium duet guitar. Excellent driver tube in highend audio applications. Unless the circuit is designed to make use of the higher limits of later 6sn7 versions.
Like the famed tung sol 6sn7 oval plate, this tube is very sweet sounding and increasingly hard to find. Save big on real tung sol made round plates because these have other brand labels, no label, repaired center studs or hairline cracks in the base. This tung sol 6sn7gt is called mouse ears because of the unique round mica spacers. The plates are usually gray and flat like the ge plates which look like large 12ax7 plates. The wide glass tube envelope is 28 mm in diameter and excluding the io base pin length, stands 65 mm high. However, the plates remained the same, ribbed and gray. Vacuum tube 5881, tungsol reissue antique electronic supply. You can drop the voltage rather easily by using a different rectifier tube like maybe a 5v4 or 5y3. Connect with our audio gurus at 8003289973 or 2158624870 or send email or use contact form. 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. Discussion in audio hardware started by steve hoffman, jan 14, 2006. Tung sol 6sn7gtb reissue, made by new sensor in russia. New sensor purchased the the tung sol name and trademark, and have begun making new production tubes, using the tung sol brand.
Super linearity, low noise, and full performance ratings. Sometimes having fun is more important than doing workspeaking of which, time to get back to that. The new tungsol 6sn7gt is a favorite among classic hifi enthusiasts. Imho, if you are using new production 6sn7 s in any critical spots in your audio gear, you really dont know how good your system can sound until you try the vintage 6sn7 s, i. Superb bass a bit heavy for my taste and caries over to midbass and transparency, and did i mention the air. A pair of these tubes in pushpull configuration can deliver power levels of 150 watts or more. New sensor purchased the the tungsol name and trademark, and have begun making new production tubes, using the tungsol brand.
The nuvistor was developed by rca and it was first introduced in 1959. Forward midtones, tight, punchy bass makes sound signature very pleasant, laid back sound. I have used and loved the tung sol and kenrad 6sn7 octals and was very happy. The 6sn7gt is a british made glass tubular version of this much loved double triode valve from the 1940s. The northern electric tubes are, i think, tj full music rebrands, though they may be selected to a higher standard than normal factory.
The current holy grail of 6sn7 nos tubes, this is the tube everyone is talking about, and fast becoming extinct. Dec 18, 2008 rockadanny, the tubes in the link you provided are sovtek, rebranded as tung sol. The new ones are at least 38 taller, the shape, length of the plates, and rods dont even remotely resemble the old ones. Such a computer room was heated by thousands of tubes.
Tung sol s cannot take either that voltage or that current at that voltage. Tungsol reissue 6sn7 vs eh 6sn7 differences i ordered a matched pair of the new tungsol 6sn7gtb tubes being made in russia for my supratek chenin preamp and have been listening to them versus the stock 6sn7eh tubes. I called a tung sol technician at the tung sol headquarters, and apparently tung sol was bought out in 1967, and then changed hands a few more times since then. Here youll find a modest collection of datasheets for some popular tubes. Nov 20, 2007 i just currently finished a tube preamp using a 6sn7 dualtriode,ive heard of really good nos tubes to use,like the rca red base,mullards,and other various tubes,but these are usually expensive. Tung sol 6sn7gtb preamp tube amptubes for all your tube.
The temperature inside such tube computers was very high, and even the ambient temperature was a lot higher than for a household radio or tv. A little too analytical and it sounds better mixed with some of the more musical very good driver tube and likes to be mixed with rca bottom getter 6sn7. Tube depot carries a selection of 6sn7 pre amp vacuum tubes. Sep 01, 2012 tung sol 6sn7gt black tplate mouse ears mica. Cv1988 6sn7gt ecc32 not a direct equivalent as heater current is different and. Electrically and physically the 6sn7gtb is a replacement for the 6sn7gta. Vacuum tube 6sn7gtb, tung sol reissue tung sol 6sn7gtb dual. Vacuum tube 6sn7gtb, tung sol reissue antique electronic. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes.
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