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For 6AS7G tube rollers here .....
Jan 25, 2016 at 8:01 AM Post #3,241 of 9,574
now most things have their pros and cons and in headfi there are compromises in getting closest to what you look for in sound. having said that.....
 
the gec 6as7g tubes are back in the wa2 tonight. it's like the adults have entered the room again. the clarity and detail.
 
amongst other things, listening to the paris, texas soundtrack (ry cooder) these tubes just make me stand up and take notice
 
Jan 25, 2016 at 10:07 AM Post #3,242 of 9,574
alvin sawdust said:
  Decided to take a GEC 6AS7G out of my Apex Teton and pop in a Mullard 6080 and it really is very good. Not sure if the GEC is on it's last legs but there is more weight to the Mullard that is very welcome. Have been thinking about getting a replacement GEC but may have to rethink as the Mullard is around a 5th or a 1/4 of the cost.
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Interesting re the Mullard...more weight? How about the clarity and detail mentioned by thecrow, below? Same wonderful air and openness, plus balance/control/cohesion?...And that "je ne sais quoi" magic that just hits you straight off?
 
Don't suppose you've tried the GEC 6080 at all?
 
thecrow said:
  now most things have their pros and cons and in headfi there are compromises in getting closest to what you look for in sound. having said that.....
 
the gec 6as7g tubes are back in the wa2 tonight. it's like the adults have entered the room again. the clarity and detail.
 
amongst other things, listening to the paris, texas soundtrack (ry cooder) these tubes just make me stand up and take notice
Click to expand...

 
Hope you don't mind my highlighting your words, but this is precisely what has got me totally addicted to these in my Feliks-Audio Elise, regardless of the drivers used. One can list all sorts of 'audiophile' terms to describe their sound - and virtues - but it is this more 'emotional?' response that I personally believe is what really defines these wonderful tubes...IMHO, of course!...
 
Jan 25, 2016 at 3:30 PM Post #3,243 of 9,574
Funny you should ask about the GEC 6080, hopefully that will be my next port of call.
 
I'm pretty sure my GEC 6AS7G has it's best days behind. Even so there is a wider soundstage and slighly more air with the GEC 6AS7G. The Mullard is definitely a great tube for the money though. I find with the Teton it is the driver tube (6SN7) that makes the biggest changes to the sound.
Will have to see if I can source a new GEC 6AS7G without having my pants pulled down.
 
Jan 25, 2016 at 4:05 PM Post #3,244 of 9,574
alvin sawdust said:
  Funny you should ask about the GEC 6080, hopefully that will be my next port of call.
 
I'm pretty sure my GEC 6AS7G has it's best days behind. Even so there is a wider soundstage and slighly more air with the GEC 6AS7G. The Mullard is definitely a great tube for the money though. I find with the Teton it is the driver tube (6SN7) that makes the biggest changes to the sound.
Will have to see if I can source a new GEC 6AS7G without having my pants pulled down.
Click to expand...

 
Yo, alvin...it appears many rate the GEC 6080 above the Mullard - but as usual, preference has its part to play...and, of course, the driver(s) used.
But I sure wish you luck with the replacement GEC 6AS7G...perhaps one day, you might be as lucky as I was, spotting an Osram curved-bottom base A1834 listed as a Haltron 6AS7G on ebay - fortunately, not too many noticed its pedigree from the photo, lol!
wink.gif
bigsmile_face.gif
. (Sorry to rub it in, but couldn't believe my luck when £70 won it!...). So regular, careful scouring can sometimes uncover a gold nugget...keep looking!!...and GOOD LUCK!...
 
Jan 25, 2016 at 10:15 PM Post #3,246 of 9,574
maheeinfy said:
TV7 test result -  64/66, 68/68   Minimum 36/36
 
Does this indicate that tubes are matched?
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I'm no veteran with tubes but if they were the tubes I was seeking and were at a good/attractive price I'd be happy with those.
 
Jan 25, 2016 at 10:25 PM Post #3,247 of 9,574
maheeinfy said:
  TV7 test result -  64/66, 68/68   Minimum 36/36
 
Does this indicate that tubes are matched?
Click to expand...

They test very good and i would say they are matched usually it is whithin 10% 
 
Jan 26, 2016 at 8:57 AM Post #3,248 of 9,574
hypnos1 said:
  Interesting re the Mullard...more weight? How about the clarity and detail mentioned by thecrow, below? Same wonderful air and openness, plus balance/control/cohesion?...And that "je ne sais quoi" magic that just hits you straight off?
 
Don't suppose you've tried the GEC 6080 at all?
 
 
Hope you don't mind my highlighting your words, but this is precisely what has got me totally addicted to these in my Feliks-Audio Elise, regardless of the drivers used. One can list all sorts of 'audiophile' terms to describe their sound - and virtues - but it is this more 'emotional?' response that I personally believe is what really defines these wonderful tubes...IMHO, of course!...
Click to expand...

tonight i've kept the gec 6as7g's in but replaced the amperex 6922 pq's with bugle boys and i'm loving the (relative) detail again and a little of the sharpness of the hd800's taken off.
 
the bugle boys do take a bit of detail and air away but make the sound more FRIENDLY (laid back) to a broader range of music
 
Jan 26, 2016 at 11:26 AM Post #3,249 of 9,574
Now then. Something that I forgot about is that I replaced the power lead on my amp with a Lessloss Sig. and after a few days cooking it has added a real magic to the sound with additional weight. I have popped the GEC 6AS7G back in and it sounds damn fine and it is absolutely dead quiet now thanks to the Lessloss. Sounds like there is still life left in the GEC after all. Compared to the Mullard it has a ethereal quality whereas the Mullard is more direct and centre focused, if that makes sense. I could happily live with the Mullard if I hadn't heard the GEC. Still going to get a new GEC 6AS7G and the 6080 variant.
 
Jan 26, 2016 at 5:20 PM Post #3,253 of 9,574
I have the same Mullard 6080s that you show, black plate halo getter'  I put them in and they have stayed there as my preferred power tube. Are they better than a WE 421A well, yes in my gear with the tubes I could get, most in mediocre or worse condition.  If I ever got some 421As  in true NOS condition perhaps my view could very change.
As a rule many pieces of hi fi gear will speak of short pathways and minimal board components and junctions.  All of these adapters ignore these guidelines by making the circuit longer and having junctions.   I do own a Garage 1217 6SN7 adapter but, that is all for the moment .  I will stick to my traditional perspective on the matter for now.
Finally where does one (me) find GEC 6AS7G or their equivalent.
 
Jan 26, 2016 at 6:04 PM Post #3,254 of 9,574
mechans1 said:
I have the same Mullard 6080s that you show, black plate halo getter'  I put them in and they have stayed there as my preferred power tube. Are they better than a WE 421A well, yes in my gear with the tubes I could get, most in mediocre or worse condition.  If I ever got some 421As  in true NOS condition perhaps my view could very change.
As a rule many pieces of hi fi gear will speak of short pathways and minimal board components and junctions.  All of these adapters ignore these guidelines by making the circuit longer and having junctions.   I do own a Garage 1217 6SN7 adapter but, that is all for the moment .  I will stick to my traditional perspective on the matter for now.
Finally where does one (me) find GEC 6AS7G or their equivalent.
Click to expand...
Valvetubes.com had a pair available the other week.
I was quoted £350 for the pair
 
Jan 26, 2016 at 9:28 PM Post #3,255 of 9,574
Well I just had to try a pair of TS 5998's which offer tons of gain for my amp I was surprised at first I've never had a tube offer that much gain. These tubes go very deep in bass and has a full-bodied texture with a wide soundstage that is really clean, it's almost like they have a magical combination of control, harmonic richness and transparency. The TS 5998's are king or at least near the top for me, these tubes make a huge difference. They just sound so "right" I'll add some pics later they sound soo good right now I don't want to remove them from my amp..enjoy the music
 
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