Electro-Harmonix KT88 EH Quartet Platinum Matched

Electro-Harmonix KT88 EH Vacuum Tube Quartet Platinum Matched

Brand:| Model: KT88 EH Quartet
Overview
Electro-Harmonix's KT88 EH -- the "Ultimate KT88".
Part # 
072-809
Weight: 0.8 lbs.  
IN STOCK
Order Soon - Only 1 Left In StockMore Due In December 5, 2014
List Price$243.84
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$157.18
Buy 6-up$145.31
Part # 072-809
Qty:  EA
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Product Details

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. 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. Electro-Harmonix's KT88 EH -- the "Ultimate KT88". Matching power tubes for equal current draw is important for maximum performance. Electro-Harmonix's platinum matching process consists of a 24 hour tube burn-in period followed by a bias (plate) current measurement in milliamps to ensure accurate matching.


PRODUCT SPECIFICATIONS
  • Tube TypePower Tubes
  • MatchingMatched Quartet
Electro-Harmonix KT88 EH Vacuum Tube Quartet Platinum Matched
  • BrandElectro-Harmonix
  • ModelKT88 EH Quartet
  • Part Number072-809
  • UPC844632064135
  • Product CategoryVacuum Tubes
  • Unit of MeasureEA
  • Product Rating
    (3 Reviews)
  • Weight0.8 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Electro-Harmonix KT88 EH Vacuum Tube Quartet Platinum Matched
Electro-Harmonix KT88 EH Vacuum Tube Quartet Platinum Matched is rated 5.0 out of 5 by 3.
Rated 5 out of 5 by from So far, so goodI finally needed to replace the 6550's in my rebuilt Dynaco MK III power amps. The Sovtek 6550 WA's I put in in 1995 were wearing out. I had a quartet of Svetlana 6550 B tubes, the ones with "pill" getters and clear glass (no getterflash), but they were not built to take the voltages in a Dynaco MK III and there was a slight glow on the plates, even at low bias settings. Rather than burn them up, I bought a matched quartet of these Electro-Harmonix KT88's. So far, so good. They are holding the bias setting very well and are showing no signs of stress. I'll post a followup after they see some more use.
Date published: 2014-11-21
Rated 5 out of 5 by from Superb sounding audio tube.I replaced the stock 6550 tubes in my Jolida JD502BRC with a quartet of the EH KT88's. They produce a very refined sound with excellent stereo image, depth, air and layered detail. Very highly recommended for audio amps.
Date published: 2011-02-09
Rated 5 out of 5 by from Best Value for a KT-88!I use this tube in a home-brew hi fi amp for several months, and I could honestly say this is the best KT-88 I've heard, especially when I consider the price. It has the deepest, most powerful bass, as well as the widest bandwidth, and there's nothing lacking in other areas well. The mids are highly detailed, maybe a tad scooped, with soft, creamy highs. No glaring or harshness whatsoever. I've used other tubes in this amp, including 6L6s, EL34s, KT-77s and other KT-88s, but I always came back to these. If you have an amp (guitar or hi fi) that is lacking in bass, these will fatten it up beautifully!
Date published: 2007-10-20

Product Q&A

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Electro-Harmonix KT88 EH Vacuum Tube Quartet Platinum Matched

I'm looking at the Electro-Harmonix KT88 EH Vacuum Tube Quartet Platinum Matched. Does quartet mean there are 4 tubes for $156.87. Sorry if this is a dumb question, I'm a first time buyer of tubes.

Asked by: Mistagreg
Yes a quartet is 4 tubes for that price.
Answered by: MattP
Date published: 2014-03-07

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