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In Reply to: No problems here posted by nightdoggy on March 20, 2007 at 04:47:53:
I'm biamping using EL-34 monoblocks on my bass and a stereo EL-34 amp for my mids and treble. Where do you think the KT-77's would make the best impact--on the bass or treble?Currently, I'm using EH's on the bass and SED's on the mids/top.
Thanks,
steve
Follow Ups:
I do not have a lot of experience with the KT-77, but I did notice they seem to have all of the EL-34 midrange qualities but noticeably tighter bass.
Both of the tubes you are using are also excellent. I've used the EH and like it. It's very quiet. The Svetlana has tested better and can handle higher plate voltages than the EH. This from a manufacturer I talked to who tested both. I was a little surprised at that.
Steve
You would have to try it both ways but the SED are also a very good tube and the old mullard xf2s take a back seat to the SEDs IMHO and they also take a back seat to the JJ KT77 most definitely.The XF1s mullards and the amperex hollands are the only tubes that can keep up with the kt77s I feel and they certainly dont better them in many ways if any. Get a quad and try them and I know you will be impressed.
... and yes, the KT77s are definitely overachievers for the price. But equal to Mullards (XF2s AND XF1s). No way on earth, at least not in my SET monoblocks where they serve as driver tubes for 845s.
Dave
Give the kt77s time..Here is what a lot of people do and myself included,we judge from initial impressions..Now your using them as drivers and obviously thats a different senario than as output for the impeadance factor if anything..Notice I did say in some ways they can better them.I know they best the xf2s in the output stage in many amps and the SED in my opinion also bests the xf2 but then again thats in my amps on my martin logans.
I bought two of them, not four. I figure they have to be broken in, since all my EL-34-using buddies tried them after I did. Some wound up buying pairs of their own. But the fact is that no one is still using them, while we all recognize that they really offer a lot of bang for the buck (hmmm, somehow that doesn't sound right). A very respectable tube.I've never heard SEDs that were even remotely close to Mullards and, yes, I bought some of them too.
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