Tube reviews of 12AX7,EL34,6L6,KT66,6V6,and EL84 audio tubes. results for this questionWhat is JJ KT66?What is JJ KT66?There are several current production KT66 on the market today.GENALEX GOLD LION KT66 Matched Pair - Beautifully constructed,with the gorgeous looks of the original GEC KT66.Excellent in audio applications,really shines in guitar amps.This is our favorite KT66.JJ KT66 - Heavy duty KT66 in KT88 form.KT66 Tube Guide - Tubes for Amps results for this questionWhat is a KT66 guitar amp?What is a KT66 guitar amp?In a guitar amp,KT66 gives more aggressive voicing as demonstrated by Marshall JTM45 Bluesbreaker.There are several current production KT66 on the market today.GENALEX GOLD LION KT66 Matched Pair - Beautifully constructed,with the gorgeous looks of the original GEC KT66.Excellent in audio applications,really shines in guitar amps.KT66 Tube Guide - Tubes for Amps
KT66 Tube History.British GEC/MOV developed the KT66 tube for the European audio market.KT66 tube became very popular in European radios and audio equipment..Internally,the KT66 tube is an improved and redesigned 6L6 tube..The KT66 tube has a shorter and fatter plate assembly and has a larger cathode than 6L6 tube.The KT66 tube is more linear and has less of the kink in its transfer 6550,KT88 - Power Tubes DougstubesKT88's generate a lot power,handling significantly more plate voltage than other power tubes.As a result,KT88's and 6550's are produce cleaner tones and have low distortion,making it popular amongst bass amplifiers and high end audio applications.
Review by Tim Smith.Shortly after my EL34 tube review on Wall of Sound,Jon Esau of thetubestore asked if I might be interested in reviewing a bunch of 6L6s.It happens to be one of my two favorite tubes,right up there tied with the majestic 845 that I use in my Line Magnetic amplifier.Audiophile Review - 6L6 Type Vacuum Tube Shootout ·I own an Inspire Fire Bottle SE Stereo Tube Amplifier HO single-ended-pentode amp (originally equipped with KT88,6CG7,5U4).Ive not tried KT77.(As youll see below,KT77 are one of the few supported output tubes I havent tried tube rolling is a sickness) However,I have tried EL34,in addition to Gold Lion KT66.Audiophile Review - EL34 Family Tube Comparison Jan 01,2016·When Jon Esau of thetubestore offered a set of five EL34-type tubes for review (JJ KT77; JJ EL34 II; Svetlana EL34; Genalex Gold Lion KT77 and Mullard EL34) I jumped at the opportunity.We agreed that Id throw a few of my own tubes,including the Tung-Sol EL34B and Shuguang 6CA7-Zs I purchased from thetubestore over the years
Jun 11,2018·I don't have the ears of some folks who describe tube tone like fine wine,but I can say that it sounds good to my ears.The Tung Sol KT66 is rated for 30 watts plate dissipation and so is more than the old production KT66s.I have also heard that the Shuguangs are closest to the old KT66.I don't know how that was determined.EL34-family Tube Comparison! - Audio and Music ReviewsWhen Jon Esau of thetubestore offered a set of five EL34-type tubes for review (JJ KT77; JJ EL34 II; Svetlana EL34; Genalex Gold Lion KT77 and Mullard EL34) I jumped at the opportunity.We agreed that Id throw a few of my own tubes,including the Tung-Sol EL34B and Shuguang 6CA7-Zs I purchased from thetubestore over the years JJ KT66 Audio Tubes - thetubestoreThis KT66 tube is rated to handle 550V of plate voltage and screen voltage.From our review .the glass bottle on my sample was very thick and well formed.The tone is very balanced and centered around some thick warm midrange tones.It handles high and lower voltages on the plates equally with no problems biasing.
Jul 25,2015·thetubestore - Genalex - Gold Lion KT66 Audio Tubes The KT66 is a 25 watt tube as where your 6L6 GE is a 30 watt tube so you'd have to adjust your bias setting accordingly between KT66 and 6L6 tube sets.Yes,there is a variance between some matched tube sets,sometimes around .05 percent.You are swapping a 25 watt tube for a 30 watt KT66 OR 6550 tube substitution for 6L6GC ??!! Telecaster Oct 14,2008·My JTM45 came with Groove Tubes KT66s (made by Shuguang),and although they are supposed to be nice tubes,they weren't well matched.I bought a set of the new Gold Lion KT66s from Lord Valve here in Denver that are matched much closer,and as a result they run much cleaner.Great tubes.Here's a link to thetubestore's KT-66 review:KT66 OR 6550 tube substitution for 6L6GC ??!! Telecaster Oct 14,2008·My JTM45 came with Groove Tubes KT66s (made by Shuguang),and although they are supposed to be nice tubes,they weren't well matched.I bought a set of the new Gold Lion KT66s from Lord Valve here in Denver that are matched much closer,and as a result they run much cleaner.Great tubes.Here's a link to thetubestore's KT-66 review:
Sovtek KT66 (discontinued) - Everything you read in the review of the Sovtek 6L6WXT+ holds true for this tube.A larger than average curved glass envelope and metal base ring make this a different package than the familiar 6L6.Biasing and current draw are not issues,just the same as any 6L6GC.KT66 or KT88 Tubes for Jazz?May 01,2013·The KT66 is simply a replacement tube for the 6L6.Being an audiophile,there's that word again,the audiophile community uses the KT88 aka,6550's,in half the tube based amplifier's on the market.That tube is known for its smoothness and maximum power.The great thing about KT88's is because of its popularity and widespread use there's KT66 vs.6L6 The Gear PageAug 09,2013·The KT66 type of octal power tubes were developed in Britain in response to the 6L6 type tube.6550 tubes were a beefy US power tube developed in response to the huge British KT88 tube As you saw in my other posts,I've recently replaced my RCA blackplate 6L6GC's with a pair of JJ KT66's.
·I own an Inspire Fire Bottle SE Stereo Tube Amplifier HO single-ended-pentode amp (originally equipped with KT88,6CG7,5U4).Ive not tried KT77.(As youll see below,KT77 are one of the few supported output tubes I havent tried tube rolling is a sickness) However,I have tried EL34,in addition to Gold Lion KT66.Review - Mullard 6L6GC Tube thetubestore BlogSep 25,2015·Review Preferred Series 7025 / 12AX7 Tube March 18,2016 Get The Stink Out Removing Odor From Your Instrument March 11,2016 Review JJ ECC83-MG / 12AX7 March 10,2016Review - Tung-Sol 6L6G Tube thetubestore BlogSep 29,2015·If tubes were sold by the pound these would be very valuable tubes.I tend to classify the Tung-Sol 6L6G as a specialty tube.This is not a normal 6L6 tube in todays market.This tube is aimed squarely at the vintage market or amplifiers where looks are as important as sound.
The Chinese (Sino) made Shuguang KT66 tube is very similar to the one used in the Marshall reissue JTM 45.These tubes need to be biased hot to sound their best.You can learn more about them in our KT66 tube review.It is acceptable to use in many 6L6 tube amps,but not all.Some results are removed in response to a notice of local law requirement.For more information,please see here.Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextWhats a good KT66? Page 2 The Gear PageFeb 06,2009·I also have a matched pair of New Sensor Gold Lion KT66's in my THD Flexi 50 head and they sound very good.I buy my tubes from thetubestore.very competitave prices,and they are patient and helpful.
Thetubestore provided not just the tubes for this review,but an extended loan of the Elekit TU-8300R,the infamous red amp that won my heart over the summer.And since I wasnt sure how long I could keep the Elekit,the very kind folks at Finale Audio kindlyTubes Asylum Jim Mcshane Tung Sol KT66 Question byTopic - Jim Mcshane Tung Sol KT66 Question - Zedguy 11:28:56 03/29/09 ( 4) RE Jim Mcshane Tung Sol KT66 Question - Jim McShane 12:05:59 03/29/09 ( 3) Did thetubestore review get it wrong?User rating 4.6/5Price $45.95Review - Tung-Sol 6L6G Tube thetubestore BlogSep 29,2015·The base of the tube has a tapered bottom like a KT66.This means that the Fender style bear trap retainers wont grab the base.These guys will fall out if mounted inverted without proper retainers because they are very heavy.
From our reviews At low to moderate volumes you get a big open sound across the guitar spectrum.Very articulate with little compression,excellent touch response and dynamics. The Gold Lion KT66 tube is a reissue tube that is made in Russia.From the manufacturer,Exact copy ofVacuum Tube Shootout 6DJ8 types (part 2) Wall ofSpeaking of 1989,the 6H23p-EB tube pictured on Thetubestores web site is date-coded as being manufactured in November 1989 the month and year the Berlin wall came down! Just seeing the boxes they came in,with the Cyrillic text and Made in USSR,made me want to get out my DVD of Roger Waters The Wall Live in Berlin.
Jun 25,2011·I've been using one of the new JJ KT66's I purchased through EuroTubes.I've only had one in single-ended Carr Mercury,but it's been a while now and they sound great.However,I got quite a bit of bias drift off the JJ for about the first 5 - 7 hours,after which the stubby KT66 seemed toWho makes the best KT66 power tubes? The Gear PageJun 25,2011·Real KT-66 do not have a metal base.This tube looks like a combination of a KT-88 inners,and the outer design of a 6550.-- DR.Z Interesting discussion on these new Tung-Sol KT66s follows that warning,in this thread on Dr Z's discussion board.kt66 in jtm45 reissue MarshallForumAug 09,2014·Electrically the KT66 is similar to a 6L6 and most of the KT66 tubes currently on the market are in reality differently labelled 6L6 tubes.The real kt66 is somewhat more rugged than a 6L6.Also keep in mind that your amp will need to be rebiased to be able to work well with the KT66.Soundwise I doubt you will hear a difference.
thetubestore Vacuum tubes,amplifier tubes,radio tubes,electron tubes or whatever you want call them,we love tubes!thetubestore - Retail Company - Hamilton,Ontario thetubestore - 120 Lancing Dr.Unit 8,Hamilton,Ontario L8W3A1 - Rated 4.8 based on 46 Reviews Just received my tubes for my 6505 112 combo.I