Groove tubes kt66-c ??????

Fever Dog · Post by **Fever Dog** » Sun Jun 24, 2012 3:17 am

Anyone used these? I need a new pair of power tubes for a jtm45. I need some help.

axeman · Post by **axeman** » Sun Jun 24, 2012 1:00 pm

Use the Gold Lion reissue KT66, they are very nice sounding. The GT KT66-C are China tubes very stiff sounding.

Fever Dog · Post by **Fever Dog** » Sun Jun 24, 2012 7:14 pm

How about the shuguang treasure kt66-z?

axeman · Post by **axeman** » Sun Jun 24, 2012 7:34 pm

I haven't used them. but I would like to. I was going to buy a quad last week, but the price changed my mind.

Fever Dog · Post by **Fever Dog** » Mon Jun 25, 2012 12:48 am

I'll probablly get a set of gold lions. Thanks man.

OnTheFritz · Post by **OnTheFritz** » Mon Jun 25, 2012 2:10 am

Fever Dog wrote:I'll probablly get a set of gold lions. Thanks man.

I've never tried the Gold lions specifically because they claim to be a recreation of the Genelex, yet the flashing and getters are in no way like the originals. They look *nothing* like the originals. They may sound good, but the promotion is BS.

Fever Dog · Post by **Fever Dog** » Mon Jun 25, 2012 2:11 pm

Yea totally agree. They look nothing like the originals. I don't really mind that if they sound good though. What tubes work for you?

DaveMcLain · Post by **DaveMcLain** » Fri Jun 29, 2012 1:21 pm

The flashing of the getters makes a difference in the sound? Nonsense.

AustinTx · Post by **AustinTx** » Fri Jun 29, 2012 9:20 pm

axeman wrote:Use the Gold Lion reissue KT66, they are very nice sounding. The GT KT66-C are China tubes very stiff sounding.

Amen to that Axeman...I am into my 3rd quad of Gold Lions, all have worked well, even up to 525V.
JJ crashed and burned 2 quads in a month, C's didn't even survive a day, leaked and burned a hole clean thru the glass, switched to Gold Lion and haven't looked back. Nothing sounds like real GEC, but the tone of the Gold Lion is quite good for a new output tube.

JimiJames · Post by **JimiJames** » Sat Jun 30, 2012 2:03 pm

DaveMcLain wrote:The flashing of the getters makes a difference in the sound? Nonsense.

Isn't that in the last stage of manufacturing where it is used to remove impurities ?

Fever Dog · Post by **Fever Dog** » Sat Jun 30, 2012 5:02 pm

I just recieved a pair of gold lions. What do you guys bias these to? I live in an apartment so I can't really use my ears.

AustinTx · Post by **AustinTx** » Thu Jul 05, 2012 2:01 pm

I have had good results 65% to 70%, if you are above 480v or hitting hard with
pedals, lean towards the 65%, even at 60%ish they don't seem to be icepicky.
Nothing beats a GEC...but the RI GL is a very good new production output tube.

Melodyman · Post by **Melodyman** » Fri Jul 27, 2012 2:38 pm

Just to chime in here..
Was using the Gold Lion KT66 reissues in the JTM 45.. Recently came into a brand new matched pair of GEC's KT66's and the difference is really something.. The GEC's have more lows and a softer high with the mids leaning more towards the low side.. The GL's are much cleaner/brittle sounding and dont sing like the GEC's do.. Also, the GEC's feel different under the fingers.. more responsive somehow..
They are not similar at all ..

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Groove tubes kt66-c ??????

Groove tubes kt66-c ??????

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