Winged c kt88 datasheet pdf

The beam tetrode design of the 6l6 allowed rca to circumvent philips pentode patent. Audio asylum questions about tubes and gear that glows. These are produced in the close st petersburg, russia factory. The product is applicable for checking such diseases as epilepsy, int. Sed winged c audio tubes are made by sed spb, a division of j. The kt88 has an absolute maximum anode dissipation rating of 42w and is.

I have the sed winged c kt88s and although a good sounding tube i prefer ok my favorite the original tung sol 6550 solid. After about an hour have to say these are the equal in the mids of the 6550c at twice the price. At the time philips had already developed and patented power pentode designs, which were rapidly replacing power triodes due to their greater efficiency. These kt88 specifications are provided asis, with no warranty of any. Just the c logo, new sensor did not get under their control. It is intended for audio frequency power amplification service. Mullard el34 a modern recreation of the classic mullard. Ran for about 5min, set the bias, ran another 30min and reset and have been listening since. Quads of 8417 hot cheap 6550 driving single jbl e not clipping much sounded very, very nice. Winged c original russian military specification svetlana winged c 5u4g. We actually like this tube better than the chinese and russian kt88s. Wiredstate audio community view topic tonys lowdown.

Winged c 6hc 6as7g datasheet pdf download adobe acrobat pdf reader. This tube is a true workhorse and a great value, and shipped as original 6550 tube in many amps from the factory. So far the jj kt77, the winged c el34 and the tungsol kt120, in a primaluna amp which came with branded kt88s. An audio frequency generator was used to sweep from 10hz to 20khz with the input voltage measured at the 6l6gc control grid and the output voltage measured at the output transformer secondary winding while connected to an 8 ohm load. Svetlana technical data kt88 high performance audio. Vacuum tube kt88, genalex gold lion antique electronic supply. The kt88 tk is a beampower tetrode that shares similar applications as the 61. Gemtune gs02m hifi integrated tube amplifier w vu level. The amplifier has very few matched pair sed 6550c kt88 winged c. Buy genalex gold lion kt88 vacuum tubes online, in stock and ready to ship. It is also a shame that for musical control, detail and dynamics nothing was really that close.

They are over rated, over weight, over priced and over here. E was the svetlana 6550cwinged c in bass guitar applications the sound just cuts, with a stingray the sound was full of life with no hardness. It was designed for use as a phase inverter meaning the two sides of the tube were intended to be closely matched. Pricing above includes matching in any quantity you need at no extra charge. The jj electronic 6l6gc is the classic pentode built with the rugged construction that only jj could deliver. Svetlana kt88 high performance audio beam power tetrode the svetlana kt88 is a glass envelope beam power tetrode. With an anode to anode load of 4,000 ohms and 550 volts on the anode a pair run in ultra linear ab1 will deliver 100 watts at 3. Warranty information and return policy warranty period. The kt88 is one of the few classic audio output valves. Tried some winged c kt88 tubes but didnt like them as much.

Oddwatt audio 5751 srpp kt88 pushpull monoblock tube. Svetlana winged c kt88 no longer available jj kt88. The 12ax7 did sound decent enough, but did not sound as refined as the 5751. One of the more interesting tubes are tad 6l6gcstr rca and tad 6l6gcstr clear top. The 50hz measurement was used for lows, 700hz for mids and 6khz for highs. Horber steige 25, d72172 sulz muehlheim, germany outside.

The svetlana kt88 is manufactured in the svetlana factory in st. Sovtek 6550we is a straight bottle 6550 modeled after the original ge 6550a. And have not used any of the current production version except the electroharmonix kt88, jj and had very bad luck with the c s. Jj electronic vacuum tubes, capacitors, amplifiers. Two valves in class ab1 give a continuous output of up to 100w. The figures given are for single ended use, but the valve is almost invariably used in push pull pairs. As long as you dont go over the max current draw for your plate voltage you want to bias to no higher than 70% of the valves max rated plate dissipation on a class ab amp, max rated for a 6550 according to a winged c 6550 datasheet is 36 watts, 70% of this would be 25 watts, you can play with the bias setting and bias it colder than max all. Also search for vacuum tube valley and download the issues in pdf. The c has a nice balanced tone without getting brittle in the highs, a good offering.

Weve been playing these in everything from the primaluna amps to the manley classic 250s, and they sound great. The highs are clear and responsive with warm mids and tight solid lows. 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. C kt88 has become more expensive and harder to find. This had been the best sounding new production 6550 until the release of the jj 6550. Output pendode el34 is an octal power tube with a maximum plate power of 25w.

So the c logo is the proof for genuine tubes from st. This makes ruby 6l6gcmstr one of the most rigorously tested 6l6gc anywhere. Vacuum tube kt88, jj electronics antique electronic supply. Jj electronic former tesla genalex gold lion tungsol electroharmonix elrog full music psvane sovtek shuguang svetlana sed winged c hammond mundorf. With a gold plated molybdenum alloy grid and carbon coated screen grid, the svetlana sv6550c is the finest power tube of its t ype being manufactured today. Nice warmth, plenty of detail, but will retain a little more top end extension than the sed winged c. The new kt88 features greatly enhanced sonic performance.

On the output stage i was able to try a quad set of winged c sed 6550c tubes which also sounded very good. Buy winged c 6hc 6as7g vacuum tubes online, in stock and ready to ship. Electron devices svetlana 8200 south memorial parkway huntsville, al 35802 usa. To my ears nothing comes close to the treasures in terms of failures the only one was a jj kt77 which failed after a month of use red plated. This bias manual is a good start, but the values are too generic to use for the kt88 as the bias. So first i must get the comparison with the original svetlana el34 out of the way, it sounds nothing like it.

Gold lion kt88 made in england draft of new spec sheet 4302002 beam tetrode 63v indirectly heated the kt88 has an absolute maximum anode dissipation rating of 42w and is designed for use in the output stage of an a. Most sought after nos 5u4g 178,50 150,00 51 5u4g gz31. The valves that we stock under the svetlanawinged c are the original items made. C 497 bottom view octal base connections 5 7 1 8 2 3 4 g2 g1 k h p nc g3 98mm 1mm 32mm. Increased peak cathode emission from new cathode materials. The telefunken elektroakustik kt88 tk is a newly manufactured and cryogenically treated version of the legendary kt88.

High plate dissipation rating, close manufacturing specification tolerances and thorough processing provides improved reliability and superior sonic performance. The kt88 is a commercial version of the cv5220 and is similar to the 6550. In audio amps, jj 6550 performs similar to jj kt88, with excellent three dimensional soundstage that jj kt88 is known for. The chassis is a hammond aluminum 12 x 10 x 2 cut to 10 x 8.

Petersburg, russia, and is designed to be a direct replacement for any kt88, kt90, kt99 or 6550. This is svetlana reflector made item which although is called el34 svetlana is a totally different valve to the original svetlana winged c. The 6550 did not have as solid of a bottom end as the gold lion kt88, but i did find that prefer them with guitar rich music. Mu voltage gain, gm transconductance and rp plate resistance are the three electrical characteristics that make up the overall electrical characteristics for a vacuum tube.

The 5751 of the past was intended for rugged use in place of a 12ax7. Electron devices svetlana typical operation af power amplifier, class. These are new old stock svetlana kt88 winged c s vintage 2001, and have excellent tonality and longevity, with a full bodied sound, and great dynamics. Show i am considering using these kt88s to replace winged c 6550 tubes in my vtl mb450 power. Agree that if you are going to beat snot out of a pair of big tubes, a single ev12l could be stressed. The winged c tubes seem to be a great match to the sli 80. The driver tubes make a huge difference and the psvane uk6sn7 tube is amazing in this amp. I am using bulk foil resistors for my grid stoppers 14. The mid range warm and detail especially on vocals was stunning.