Kt801a datasheet, equivalent, cross reference search. Kt90 was developed by elektronska industrija nis ei. Tubedepot carries a selection of 6550 kt88 kt90 power vacuum tubes. Nos ei yugoslavia kt90 gray plate top oo get type ii.
Svetlana technical data kt88 high performance audio. This kt90 tube is an excellent quality tube and a solid performer in both hifi and guitar amps. Anode dissipation rate is 50w, which provides for pushpull. Kt838a transistor datasheet pdf, kt838a equivalent. Eh kt90, vacuum tubes, elect harmonix kt90 pwr vactube.
Kt90, kt120 and kt150 are higherpowered direct replacement of kt88. In this section you can download the datasheet of the products pdf format. Well, i was quite surprised when i listened to the rca tubes and compared to the eh tubes. Kt88eh kt88 electroharmonix, valve audio tubes wagner. Most of the datasheets are in pdf format and some are links to other html pages. Great sounding tube, which is considered to be one of the very best of all kt90 tubes and could be used in the majority of 6550 and kt88 tube amps. For a collection of datasheets, follow the link to at the top menu. Spec said will be get 10w rms with 6l6 but actually never get 10w rms. The purpose of this kt88 kt66 6550 kt90 kt120 page is to give an overview. Kt90 is designed by blagomir bukumira,a leading engineer at ei features. Kt88 beam power tetrode t he svetlana kt88 is a beam power tetrode having a large standard octal base and glass envelope. The results with this valve was excellent both in performance and electrically. Latest version with support rods to reduce microphonics.
You just need to confirm with rogue the correct bias for other tubes. Specifically designed for audio amplification, the kt88 has similar ratings to the american 6550 which was designed for use as a servo amplifier. Kt90 is a beampower pentode primarly designed for use in audio frequency power amplifier applications. Electroharmonix kt90 the electro harmonix kt90 eh tube is a dropin for any kt88 or 6550 tube. Kt90, kt88 the electo harmonix kt90 is probably the best kt90 ever built. Ehkt90, vacuum tubes, elect harmonix kt90 pwr vactube. Kt90 page 1 of 5 the kt90 is a beampower pentode primarily designed for use in audio frequency power amplifier applications. A new geometry is utilised to reduce odd order harmonics for a sweet top end while the peak power is extended to improve low frequency response. Sonically they are true to the electo harmonix brand. It is one of the largest tubes in its class and can handle significantly higher plate voltages than similar tubes, up to 800 volts. The sovtek kt90 is compatible and goes full on for the audio market. Im thankful eh began production, it is a worthwhile endeavor.
Kt90eh kt90 electroharmonix matched pair, valve audio. Kt90 is designed by blagomir bukumira,a leading engineer at ei. Kt90eh kt90 electroharmonix matched pair, valve audio tubes. Electro harmonix is a reasonable tube for a reasonable price. The kt90 is recommended as a replacement for 6550, 6550a and kt88. Close manufacturing specification tolerances and improved processing provide enhanced reliability. Electroharmonix kt90 the electro harmonix kt90eh tube is a dropin for any kt88 or 6550 tube. The kt120 is probably the best all around tube out of all of them but the others have their merits. Anode dissipation rate is 50w, which provides for pushpull amplifiers utilization up to 110w output per pair, with 550v on the anode. Kt801a transistor datasheet pdf, kt801a equivalent. Ehkt88, vacuum tubes, electroharmonix kt88 eh pwr tube. According to the manufacturer the gold lion kt88 is an attempt to recreate the original genalex, which was introduced in 1957.
The purpose of this kt88 kt66 6550 kt90 kt120 page is to give an overview about what kt66, kt88. I can personally vouch for the ruggedness of the ei kt90 tubes. Ehkt90 offered from pcb electronics supply chain shipps same day. The electroharmonix 6v6 is warm sounding, with a sweet sustain and crunchy overdrive, making it a very musical tube. Ehkt88 offered from pcb electronics supply chain shipps same day.
Eh kt90 offered from pcb electronics supply chain shipps same day. It may therefore be used as a substitute, given appropriate rebiasing when. Sep 05, 20 great sounding tube, which is considered to be one of the very best of all kt90 tubes and could be used in the majority of 6550 and kt88 tube amps. Vacuum tube kt90, electroharmonix antique electronic supply. Also the most common electrical circuits are given for kt88 and 6550. I factory and was basically a modified 6kg6 sweep tube.
Vacuum tube kt90, electroharmonix electroharmonix kt90 power tube. Its exclusive screengrid radiator fins reduce a major source of. While we do combine shipments on other platforms, we cannot and will not combine shipping on reverb. I too, am curious as to what the impressions of the eh kt90 are. The electro harmonix kt90eh tube is a suitable replacement for any kt88 or 6550 tube. Up to 160w per pair may be achieved with anode voltage of 750v and screen grid. Axiomtek, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The kt90, or in full, kinkless tetrode 90, is a beam power tetrode and features the same octal socket as its smaller variant, the kt88.
Ei vs electroharmonix kt90 audiogon discussion forum. Warranty information and return policy warranty period. The bass is solid and defined, mids are balanced, and the highs are smooth and clear. Recent listings manufacturer directory get instant insight into any electronic component. The new kt88 features greatly enhanced sonic performance. The electroharmonix kt88 has excellent tonality, with a full bodied sound, and great dynamics. Each wound string is precision wrapped with round nickelplated steel onto a high carbon, hexagonshaped steel core. Terrible data sheet quality for ra curves for kt120. The electro harmonix 6ca7 is built to withstand todays highgain amps while still retaining the detailed tone and component integrity of the original. Svetlana technical data kt88 high performance audio beam. 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. Block diagram, pinout and kt120 circuit application inside.
A favorite among hifi audiophiles, provides excellent value for the price. Key benefits power output vastly increased anode and screen grid maximum voltages low distorsion extended tube life general characteristics kt90 is a beampower pentode primarly designed for use in audio frequency power amplifier applications. At the bottom of this page youll find some links to other tube datasheet sites in. P06p03g, p06p03lcg pchannel logic level enhancement mode fet, p06p03g pdf download niko semiconductor, p06p03g datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete, circuits. 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. I versions are not compatible electrically with the 6550kt88 types. Eh kt88, vacuum tubes, electroharmonix kt88 eh pwr tube. Order electroharmonix kt90eh vacuum tubes online, in stock and ready to ship. It has extended specifications for improved performance and longevity over a standard kt88. All cryoset certified power tubes have been doubled matched, both before and after cryo treatment using the maxi matcher to verify. The kt90 is a vacuum tube used in audio applications. Kt886550 compatible single ended amplifier 5th jan 2014 using fladance mp player 8w rms. Ht75xx1 100ma low power ldo selection table part no.
The perfect choice when the authentic sound is needed. This is a matched quad that have been cryogenically treated. Kt805 datasheet, kt805 pdf, kt805 data sheet, kt805 manual, kt805 pdf, kt805, datenblatt, electronics kt805, alldatasheet, free, datasheet, datasheets, data sheet. Quick find use keywords to find the product you are looking for. Ehkt88 tubedepot vacuum tubes pcb electronics supply chain. Electroharmonix 6ca7eh datasheet pdf download adobe acrobat pdf reader. A new glass formula body ensures long life and improved reliability. Our new ehx strings electroharmonix electric guitar strings are customdesigned to our specifications and made in the usa by a premiere string manufacturer. Typically, it is used in hifi or electric guitar amplifier applications. The electro harmonix kt90 eh tube is a suitable replacement for any kt88 or 6550 tube.
Flexible, low cost and high performance, kt903 datasheet, kt903 circuit, kt903 data sheet. The electroharmonix is oem in most current guitar amplifiers. Ehkt90 tubedepot vacuum tubes pcb electronics supply chain. The electo harmonix kt90 is probably the best kt90 ever built. Increased peak cathode emission from new cathode materials. Scroll down to see sets of 2 pair, 4 quad, and 6 sextet. In most cases you can use these tubes in place of kt88, but its best to check with your amp manufacturer first. Recent listings manufacturer directory get instant. The kt90 is a replacement for 6550s and kt88s and will put out a little more power. Superbly transparent and dynamic taking about dynamic, the tube has a phenomenal punch that is very similar to mullard el34 with metal base. The kt88 fits a standard eightpin octal socket and has similar pinout and applications as the 6l6 and el34. The plain strings are made from the same high carbon steel as the hex cores.
I had them in my jadis for 5 years, one shorted no damage to the amp, and the others still measure a little better than pass. Because of our tradition of supplying the highest quality tubes, we are proud that our ouput is the very best in the world for upgrade and replacement. The electro harmonix kt90eh tube is a direct replacement for any kt88 or 6550 tube. Kt90 datasheet, kt90 pdf, kt90 data sheet, kt90 manual, kt90 pdf, kt90, datenblatt, electronics kt90, alldatasheet, free, datasheet, datasheets, data sheet, datas. Electroharmonix owns 100% of the largest remaining vacuum factory in the world. I have used the eh 6ca7 tubes in this amp before so i am very familiar with the sonic character of the tube. Eh kt88 offered from pcb electronics supply chain shipps same day. Kt838a datasheet, equivalent, cross reference search. There were a few versions of this tube created before whats available now. Kt90 and types and brands exist, and what you can do with the this tube. Designed to the exacting specifications of the philips 6ca7 tube, this classic tetrode returns to life in a big bottle design. Discussion in audio hardware started by ghost rider, sep 11, 2016.
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