Also ive given them about 28 to 30 hours of play time to age and get settled into my amp head. The new glass formula body ensures long life and improved reliability. I would have to say that the electro harmonix 6ca7 eh has more tonal range, and is a nice middle ground between an el34 and a 6550, in terms of the clarity, and range of the 6550s and a nice early. Ei vs electroharmonix kt90 audiogon discussion forum. Get a low price and free shipping on thousands of items. Electro harmonix sound effects are world renown for the soulful warmth of their analog sound and their line of eh premium tubes continues in this tradition of classic tone.
The model of the 12ax7 is a popular tube these days because it is cheap and gets the job done pretty well. The electro harmonix 6ca7 is built to withstand todays highgain amps while still retaining the detailed tone and component integrity of the original. Electroharmonix 6550 matched power tubes medium sextet. Also recommended output tube replacement for peavey classic 30 and fender blues junior. Electroharmonix is rocking the vacuum tube community with the superior quality of the eh series tubes. Warranty information and return policy warranty period. View and download electroharmonix 22500 quick start manual online. Electroharmonix 22500 quick start manual pdf download. Electro harmonix was the first company to introduce, manufacture, and market affordable stateofthe art stompboxes and remains a pioneer and leading manufacturer of guitar effects pedals. Originally designed by mullard in 1954, they wanted to show how good the el84 tube was for audio amplification.
Every tube lover has their favorites, but the electroharmonix kt90 vacuum tube just may be the best kt90 type ever made given its superb linearity, massive power handling, and high reliability. The sound and the gain are really good because this lamp is pretty neutral in terms of the sound spectrum, and its dynamics is known to be relatively good. Electroharmonix el84 matched power tubes hard duet guitar. Very transparent sound with dynamic presentation and very solid bass. Get the guaranteed best price on power tubes like the electroharmonix 6550 matched power tubes at musicians friend. The electro harmonix kt90eh tube is a suitable replacement for any kt88 or 6550 tube. Electroharmonix kt90 is a superrugged substitution for kt886550. These are electroharmonix el84eh power tubes in platinum matched sets. The 6ca7eh a direct replacement, with military reliability, for any el34. Svetlana technical data kt88 high performance audio.
Next time you need to retube, insist on tubes from electroharmonix. I also like the chinese kt88 for their sound but quality has been spotty to say the least. The electro harmonix 12ax7 is a standard tube that can be used for a variety of applications, but i use these for my guitar amplifier. For the kt88eh a new geometry is utilized to reduce odd order harmonics for a sweet top end while the peak power is extended to improve low frequency response. Looking for help to choose kt88 tube steve hoffman music. If you want great sounding tubes at a very reasonable price, then electro harmonix. The electro harmonix kt90eh tube is a dropin for any kt88 or 6550 tube. Svetlana technical data kt88 high performance audio beam. Electro harmonix is one of the topselling brands of tubes and the el84 range is no different. The electroharmonix is oem in most current guitar amplifiers. Also features mica spacers with metal springs to eliminate tube rattle and microphonics. Electroharmonix owns 100% of the largest remaining vacuum factory in the world.
I would have to say that the electro harmonix 6ca7eh has more tonal range, and is a nice middle ground between an el34 and a 6550, in terms of the clarity, and range of the 6550s and a nice early. All new sensor vacuum tubes electro harmonix, eh gold, genalex, mullard, sovtek, svetlana and tungsol meet all applicable rohs material restrictions and are reach compliant. Electroharmonix kt90 the electro harmonix kt90 eh tube is a dropin for any kt88 or 6550 tube. This is a matched quad that have been cryogenically treated. Electro harmonix kt88 eh vacuum tube quartet platinum matched electro harmonix is rocking the vacuum tube community with the superior quality of the eh series tubes. The electroharmonix 6l6eh power tube is modeled after the vintage rca 6l6gc blackplate. Electroharmonix kt90 the electro harmonix kt90eh tube is a dropin for any kt88 or 6550 tube. Electro harmonix is rocking the vacuum tube community with the superior quality of the eh series tubes. The purpose of this kt88 kt66 6550 kt90 kt120 page is to give an overview about what kt66, kt88.
Every tube lover has their favorites, but the electro harmonix kt90 vacuum tube just may be the best kt90 type ever made given its superb linearity, massive power handling, and high reliability. A new glass formula body ensures long life and improved reliability. Todays electro harmonix tubes are constructed to the highest standards for reliability and sound quality. Failure to do so will delay processing of your order. Increased peak cathode emission from new cathode materials. Also the most common electrical circuits are given for kt88 and 6550. 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. Electroharmonix was the first company to introduce, manufacture, and market affordable stateofthe art stompboxes and remains a pioneer and leading manufacturer of guitar effects pedals. Electroharmonix 6l6 matched power tubes guitar center.
Electro harmonix, sovtek, gold lion, mullard, and tungsol are all good choices. The electro harmonix kt90 eh tube is a suitable replacement for any kt88 or 6550 tube. Excellent for hifi audio with superb power handling. The kt90 is currently manufactured by electroharmonix, who claim that. Electro harmonix kt90 vacuum tube features superb linearity, massive power handling, and ultrahigh reliabilit. Order electroharmonix kt90eh vacuum tubes online, in stock and ready to ship.
Electroharmonix el84 matched power tubes hard duet. Electroharmonix sound effects are world renown for the soulful warmth of their analog sound and their line of eh premium tubes continues in this tradition of classic tone. In september of 1950 tungsol introduced the 5881, an uprated and industrial version of the 6l6ga with a 23. Sonically they are true to the electo harmonix brand.
This rugged tube also found a home in the 59 fender bassman and servo amplifiers used in b52 bombers. The new kt88 features greatly enhanced sonic performance. All cryoset certified power tubes have been doubled matched, both before and after cryo treatment using the maxi matcher to verify. This rugged tube also found a home in the 59 fender bassman and servo amplifiers used in. Most of the datasheets are in pdf format and some are links to other html pages. Electroharmonix kt90 tube matched pr shop music direct. Kt88eh kt88 electroharmonix, valve audio tubes wagner. There were a few versions of this tube created before whats available now. Many oems use relabeled electroharmonix vacuum tubes in their amplifiers. The kt90 is a beampower pentode primarily designed for use in audio frequency power amplifier applications.
Electroharmonix kt90 vacuum tube features superb linearity, massive power handling, and ultrahigh reliabilit. This auction is for a matched quad 4 tubes of new vacuum tubes in their original retail box. Kt90 is a beam power tetrode and can be used in place of both. Electro harmonix will repair or replace, at its discretion, a product that fails to operate due to defects in materials or workmanship for a period of one year from date of purchase. And it also explains how the kt90 bears very little resemblence to the el509. Brand new for 2004, electro harmonix kt90 is a superrugged substitution for kt886550. The kt90 is a replacement for 6550s and kt88s and will put out a little more power.
Im thankful eh began production, it is a worthwhile endeavor. Jul 03, 2012 electroharmonix, being the new production tube, suffers from the same issues as its line of the preamp tubes, but since old stock is very scares and very expensive, new production for the majority of people is the only way to go. 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. Electro harmonix owns 100% of the largest remaining vacuum factory in the world.
This kt90 tube is an excellent quality tube and a solid performer in both hifi and guitar amps. From speakers to batteries to transformers and many other components. Electro harmonix kt88 vacuum tube high power kinklesstetrode for use in amplifiers such as the marshall major. The electo harmonix kt90 is probably the best kt90 ever built. Electroharmonix 6ca7eh datasheet pdf download adobe acrobat pdf reader. Vacuum tube kt88, electroharmonix antique electronic supply. Also, i tried some burned in jj kt88s, which seemed to restore the dynamics, slam, extension, and power of the kt90, combined with the sweetness of the el34. Two valves in class ab1 give a continuous output of up to 100w. If you want great sounding tubes at a very reasonable price, then electroharmonix. The kt88 power tube form electro harmonix is a sensational example of the care they take when making tubes. Someone suggested the eh 6550s and said they are the best 6550s. The el84 is the most common low power pentode tube, popularized in early vox ac30 amps. Each wound string is precision wrapped with round nickelplated steel onto a high carbon, hexagonshaped steel core. Consistent with the notice requirements of reach art.
Electro harmonix kt90 the electro harmonix kt90 eh tube is a dropin for any kt88 or 6550 tube. Electroharmonix kt88 eh vacuum tube quartet platinum matched. The electro harmonix is oem in most current guitar amplifiers. Electro harmonix kt90 is a superrugged substitution for kt886550. 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. But, if you are considering the ei, believe me, it is one heck of a tube. Electro harmonix is one of the largest tube manufacturers in the world. Used once or twice for a few hours, but no longer needed. Brand new for 2004, electroharmonix kt90 is a superrugged substitution for kt886550. They are all basically eh and sovtek designs but the ones sporting the famous uk and us brand names are indeed more robust. The electroharmonix 6v6 is warm sounding, with a sweet sustain and crunchy overdrive, making it a very musical tube. Many oems use relabeled electro harmonix vacuum tubes in their amplifiers. These are electro harmonix el84eh power tubes in platinum matched sets. Electroharmonix is one of the largest tube manufacturers in the world.
The electro harmonix el84 power pentode is the perfect replacement for the vox ac30 output tubes also recommended output tube replacement for peavey classic 30 and fender blues junior. Can be used in place of 6550 for a more round bass signature. Electro harmonix kt88 now has a higher output to give improved authentic musical low and highfrequency response. The plain strings are made from the same high carbon steel as the hex cores. A favorite among hifi audiophiles, provides excellent value for the price. Every tube we sell is tested by our tested and guaranteed sm tag program for defects and measured individually to meet or exceed its original factory specifications before it is carefully. If you want great matched tubes at a reasonable price, then our tubes and tube accessories should be on your list. You can use acrobat for viewing and printing pdf files. Electroharmonix tubes are all new designs and are of excellent quality. So they have a bit of a bite on the higher end of the sound spectrum. The electro harmonix el84 power pentode is the perfect replacement for the vox ac30 output tubes. Latest version with support rods to reduce microphonics. The perfect choice when the authentic sound is needed.
Electroharmonix kt88 eh vacuum tube quartet platinum matched electroharmonix is rocking the vacuum tube community with the superior quality of the eh series tubes. The electro harmonix 6v6 is warm sounding, with a sweet sustain and crunchy overdrive, making it a very musical tube. Free electro harmonix diagrams, schematics, service. Our new ehx strings electroharmonix electric guitar strings are customdesigned to our specifications and made in the usa by a premiere string manufacturer. 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. The bass is solid and defined, mids are balanced, and the highs are smooth and clear. This tube is a high power kinklesstetrode for use in amplifiers such as the marshall major.
Read all the posts and how this tube was developed in conjuction with manley labs. The electroharmonix kt88 has excellent tonality, with a full bodied sound, and great dynamics. This tube is a favourite of audiophiles and can be used in place of 6550 for a more round bass signature. I had to change my eq settings slightly to get the tone i wanted. Electro harmonix diagrams, schematics and service manuals download for free. Page 6 fcc compliance this equipment has been tested and found to comply with the limits for a class b note. I can personally vouch for the ruggedness of the ei kt90 tubes. Electroharmonix, being the new production tube, suffers from the same issues as its line of the preamp tubes, but since old stock is very scares and very expensive, new production for the majority of people is the only way to go. Electro harmonix tubes are all new designs and are of excellent quality. Features large plate dimensions and improved grid structure for increased power handling capabilities. Looking for help to choose kt88 tube steve hoffman music forums. Electroharmonix will repair or replace, at its discretion, a product that fails to operate due to defects in materials or workmanship for a period of one year from date of purchase.
Electroharmonix kt88 vacuum tube high power kinklesstetrode for use in amplifiers such as the marshall major. I too, am curious as to what the impressions of the eh kt90 are. Next time you need to retube, insist on tubes from electro harmonix. Because of our tradition of supplying the highest quality tubes, we are. Todays electroharmonix tubes are constructed to the highest standards for reliability and sound quality. The kt90 is a vacuum tube used in audio applications. Close manufacturing specification tolerances and improved processing provide. Kt90 and types and brands exist, and what you can do with the this tube.
542 872 581 221 337 1262 665 1042 908 865 981 563 257 1596 1160 1306 892 1408 1197 192 1241 440 640 875 544 1078 144 995 1558 1106 134 60 590 1366 957 272 1224 664 1459 631 205 753 157 1087 1419