Eee3 the stock 6H30 tubes in my now sold ARC VS-115 amp which I wanted to like and gave a fair amount of time to break in but never could quite like. I think the designers are stuck with this tube and are doing the best they can with a tube that's sonic characteristics aren't close to the 6922, 7308, 6DJ8,12AX7 and 12AU7 etc. They can't design for these tubes because there aren't enough around and so far the Russians and the Chinese haven't been able to produce tubes with comparable sonics. My experiment cost me a fair amount of money and my intention here is to back Aggielaw's impression of the sonics of the CD 2 , not to change his mind but to support his experience by making him aware that " its not him" others hear similar things!
Benefit of Tube Dampers/Coolers on 6H30?
A quick search of the forums led me to the belief that the effectiveness of tube dampers and coolers is dependent on the tubes used.
I'm auditiioning an Ayon CD-2, and want to really hear what it's capable of before deciding to keep it (which I'm leaning toward anyway).
I'm curious about how beneficial dampers and coolers are on 6H30 tubes. And if they are helpful, which to use? I saw Mrtennis recommended the EAT coolers/dampers (http://www.elusivedisc.com/prodinfo.asp?number=MHEATDAMP)in another thread, and he stated they tamed some of the mid/treble glare in his unit, which is exactly the issue I have with the performance of the CD-2 right now. OTOH, it seems Herbie's halos (http://herbiesaudiolab.home.att.net/)are the most popular choice, although I sense the EATs are fairly new.
Then there are these, with a choice of brass or copper: http://www.audiotubes.com/damper.htm
These, which look very much like the EATs, but cheaper: http://www.partsconnexion.com/Advertising/audiogon/pearl.html
These for the *really* brave: http://www.realhamradio.com/liquid-cooling.htm
And I recently saw some coolers/dampers somewhere that looked like the EAT and pcX, but longer, covering almost the entire tube, although I can't find them now.
I'm a bit lost. Are any of these products superior to the others? Do any of them change the sound in different ways than the others? Would it be beneficial to combine products, such as Herbie's and the EAT on the tubes?
Are the 6H30 tubes so good they don't suffer from microphonics and other common tube characteristics such that the use of any of these devices would render little if any beneift?
Thanks to all for your thoughts.
HC
I'm auditiioning an Ayon CD-2, and want to really hear what it's capable of before deciding to keep it (which I'm leaning toward anyway).
I'm curious about how beneficial dampers and coolers are on 6H30 tubes. And if they are helpful, which to use? I saw Mrtennis recommended the EAT coolers/dampers (http://www.elusivedisc.com/prodinfo.asp?number=MHEATDAMP)in another thread, and he stated they tamed some of the mid/treble glare in his unit, which is exactly the issue I have with the performance of the CD-2 right now. OTOH, it seems Herbie's halos (http://herbiesaudiolab.home.att.net/)are the most popular choice, although I sense the EATs are fairly new.
Then there are these, with a choice of brass or copper: http://www.audiotubes.com/damper.htm
These, which look very much like the EATs, but cheaper: http://www.partsconnexion.com/Advertising/audiogon/pearl.html
These for the *really* brave: http://www.realhamradio.com/liquid-cooling.htm
And I recently saw some coolers/dampers somewhere that looked like the EAT and pcX, but longer, covering almost the entire tube, although I can't find them now.
I'm a bit lost. Are any of these products superior to the others? Do any of them change the sound in different ways than the others? Would it be beneficial to combine products, such as Herbie's and the EAT on the tubes?
Are the 6H30 tubes so good they don't suffer from microphonics and other common tube characteristics such that the use of any of these devices would render little if any beneift?
Thanks to all for your thoughts.
HC
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- 24 posts total
- 24 posts total