Using only a pair of kt88 i have got 25w in triode connection and 3540w using the ultra linear configuration. Pdf introduction to design with electron tubes researchgate. Svetlana technical data kt88 high performance audio. Please email to us if you want to have a quotation of the available parts. Ella push pull el34kt88 amplifier schematic diy hifi supply. Two valves in class ab1 give a continuous output of up to 100w. The pcb also includes a tubebased power supply, using 5u4 or whatever tube you like, and snapmount capacitors on. Very powerful and great for bass, guitar and hifi amplifiers. Stereo class a singleended audio amp handcrafted b073zxz3z5 reisong a10 el34 hifi audio stereo tube amplifier singleend class. It is dedicated to be used in audio frequency range which requires the output power 100w.
Kt88 datasheetpdf list of unclassifed manufacturers. Shuguang beijing vacuum tube datasheet analog metric limited. Kt88 datasheet pdf 5 page list of unclassifed manufacturers. Kt808a datasheet, equivalent, cross reference search. Power supply schematic kt88 pushpull tube amp amplifier. Jean hiraga 12ax7 ecc83 singleended kt88 tube amplifier schematic jean hiragas singleended kt88 tube amplifier schematic with 12ax7 ecc83 tube input stage. It is a blog created to share various information with you in more complete and detailed contents. Very powerful, with strong bass and very bright highs. Kt808a transistor datasheet pdf, kt808a equivalent. The last valves mov produced after a run of 28 years 1956 1984 were branded gold lion and here this russian tube made by genalec carries the same branding, but this valve has been made for the modern audio market.
Contec kt881016 digital 16channel eeg machine and mapping. In september of 1950 tungsol introduced the 5881, an uprated and industrial version of the 6l6ga with a 23. Kt88 datasheet, kt88 datasheets, kt88 pdf, kt88 circuit. To get the best sonic result there are no electrolytic capacitors on the signal path and in the anodic power supply. Jean hiraga 12ax7 ecc83 singleended kt88 tube amplifier. Genalex gold lion kt88 has been recreated down to the finest detail with gold plated grid wire, carbonized screen grids, and a trialloy clad plate structure for exceptional performance and sound quality. The photos below are of bernardos diy singleended kt88 tube amplifier following mikael abdellahs schematic.
When all said and done i dont think i would spend the extra money on a set of genalex or gecs, they are so expensive that i. Also the most common electrical circuits are given for kt88 and 6550. Use of these parameters shall be entirely at the users own risk. Tube compliment in the photos is a sovtek 6n1p in the. Warranty information and return policy warranty period. Jun 08, 2015 home schematics ella push pull el34kt88 amplifier schematic. The kt88 is a commercial version of the cv5220 and is similar to the 6550. The figures given are for single ended use, but the valve is almost invariably used in push pull pairs. Power supply schematic kt88 pushpull tube amp amplifier, tube. 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. A favorite among hifi audiophiles, provides excellent value for the price.
Kt88 datasheet pdf list of unclassifed manufacturers. Specifically designed for audio amplification, the kt88 has similar ratings to the american 6550 which was designed for use as a servo. Kt88 beam pentode components datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic. Pushpull kt88 class a amp with universal driver pcb. The pcb also includes a tubebased power supply, using 5u4 or whatever tube you like, and snapmount capacitors on the pcb. The new kt88 features greatly enhanced sonic performance.
Gemtune gs02 kt88 vacummtube amplifier with kt882, 6n8p2. Block diagram, pinout and kt120 circuit application inside. This amp was designed mostly to work with kt88, 6l6, or el34 tubes in either triode or ultralinear mode. Buy genalex gold lion kt88 vacuum tubes online, in stock and ready to ship. Tkkt88 offered from pcb electronics supply chain shipps same day. From the 1970s kt66s lacked the internal carbon dust coating of the glass bulb. Jean hiragas singleended kt88 tube amplifier schematic with 12ax7 ecc83 tube input stage. This rugged tube also found a home in the 59 fender bassman and servo amplifiers used in. Posted on june 8, 2015 june 8, 2015 ella push pull el34kt88 amplifier schematic.
It is one of the largest tubes in its class and can handle significantly higher plate voltages than similar tubes, up to 800 volts. Most of the parts are in stock except transformers. Substitutes are given as a guide only please refer to original manufacturers data sheets to ensure that a substitute. Feb 18, 2017 power supply schematic kt88 pushpull tube amp. This power could be considered low for a pair of kt88 but i want low feedback, low distortion and good damping factor. Tube compliment in the photos is a sovtek 6n1p in the driver position and a pair of matched electroharmonix kt88eh in the output positions. Genalex gold lion kt88 datasheet pdf download adobe acrobat pdf reader. This is a new project for a kt88 amplifier designed for a output toroidal cathode feedback cfb transformer.
Andrew was looking for someone to build him a stereo tube valve power amplifier of 200 watts. Increased peak cathode emission from new cathode materials. The kt88 is one of the few classic audio output valves. Octal u f 6,3 v i f c a1,6 a typical characteristic. Jj kt88 datasheet pdf download adobe acrobat pdf reader. Direct heating cathode, medium power consumption triode is used for class a amplification. Jean hiraga 12ax7 ecc83 singleended kt88 tube amplifier schematic. This rugged tube also found a home in the 59 fender bassman and servo amplifiers used in b52 bombers. The kt88 is a beam tetrode k inkless t etrode hence kt vacuum tube for audio amplification. The purpose of this kt88 kt66 6550 kt90 kt120 page is to give an overview about what kt66, kt88. The kt88tk is a beampower tetrode that shares similar applications as the 6l6 and el34, and is one of the largest tubes in its class. Oct 14, 2016 the kt88 is one of the few classic audio output valves. The kt66 is a very well known audio output beam tetrode valve. Kt88 beam power tetrode t he svetlana kt88 is a beam power tetrode having a large standard octal base and glass envelope.
Ecc85 datasheet pdf, ecc85 data sheet, ecc85, ecc85. I designed a driver pcb using two 6sn7s that can drive just most tubes, triode or pentode. The m0 valve company limited kt88 grenalex beam tetrode brief data the kt88 has an. I want to share this experience and information with each other to create a blog that helps each other. Kt88 is a beam output pentode with an octal base and power of 42w. El34 pdf, el34 description, el34 datasheets, el34 view. Kt88 datasheet, kt88 pdf, kt88 data sheet, kt88 manual, kt88 pdf, kt88, datenblatt, electronics kt88, alldatasheet, free, datasheet, datasheets, data sheet, datas. The kt88 is used in a number of projects that i have built. The kt88 has an absolute maximum anode dissipation rating of 42w and is.
Feb 18, 2017 power supply schematic kt88 pushpull tube amp stay safe and healthy. Its exclusive screengrid radiator fins reduce a major source of. El34 datasheet, el34 datasheets, el34 pdf, el34 circuit. Kt88 pdf, kt88 description, kt88 datasheets, kt88 view. Please see the substitutes at the top of the page for more details. The electroharmonix kt88 has excellent tonality, with a full bodied sound, and great dynamics. It delivers a little less power than the kt88 but with a fatter tone. Overall i have had very good luck with the jj tubes, and will continue to use them. This item gemtune gs02 kt88 vacummtube amplifier with kt882, 6n8p2, 5z3p1 nobsound 6p1 6. Kt88 datasheet pdf, kt88 beam pentode, kt88 pinout, equivalent, replacement, kt88 schematic, manual, kt88 data, datasheet, circuit, parts. Kt88 gec 6550 kt88 6550 tube tubes kt88 cv5220 gec kt88 valve 6550 kt88 data tube 6550 text. Im trying to update as much information as possible, even if i can not find perfect information. Sep 05, 2018 kt88 datasheet pdf, kt88 beam pentode, kt88 pinout, equivalent, replacement, kt88 schematic, manual, kt88 data, datasheet, circuit, parts. Kt88 beam pentode 6v 3v indirectily heated components datasheet pdf data sheet free from datasheet data sheet search for.
Any exceptions will be noted on that tubes warranty tab. Petersburg, russia, and is designed to be a direct replacement for any kt88, kt90, kt99 or 6550. Svetlana technical data kt88 high performance audio beam. With a goldplated molybdenum alloy grid and carbon coated screen grid, the svetlana kt88 is the finest power tube of its type be ing manufactured today. A good few months ago back in 2010 i received an outoftheblue phone call which is quite often the case regarding enquiries like this from a really nice gentleman named andrew. Our exhibit is a postwwii device, probably dating from the 1960s. Please practice handwashing and social distancing, and check out our resources for adapting to these times. 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. This is a functioning 8 watt per channel valve amplifier that i built. The kt88 fits a standard eightpin octal socket and has similar pinout and applications as the 6l6 and el34. Kt88 vacuum tube made by genalex gold lion tetrode. With a number of different kt88 tube amplifiers we have had good results using new production jj kt88 blue glass and genalex gold lion kt88 tubes. Kt90 and types and brands exist, and what you can do with the this tube.
All our tubes are guaranteed for 3 months from the date of purchase. With various kt88 amplifiers we have had good results using the new production jj kt88 blue glass and genalex gold lion kt88 tubes. Etc beam pentode 6v 3v indirectily heated,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. These specifications are provided asis, with no warranty of any kind. Specifically designed for audio amplification, the kt88 has similar ratings to the american 6550 which was designed for use as a servo amplifier.