on a china amp: simply execellent tube!
An externally hosted image should be here but it was not working when we last tested it.
piero7 said:on a china amp: simply execellent tube!
An externally hosted image should be here but it was not working when we last tested it.
OK, I'll bite...
For how long did you test it, and what did you test for?
What did you like about it?
What did you not like about it, if anything?
piero7 said:Mounted on Audioromy 828. I have just rewired the filament e nothing else.
In the next days more infos...
It is very uncommon use of the tube: deep feedback by voltage. Should not be any significant difference.
The E813CC is slightly more microphonic compared with the Mullard ,Some of the improvement in speed and quality can be put down to the very low inter electrode capacitance, typically half that of the Mullard, but I don't believe this to be the whole story. The unique construction and planar technology has a positive effect on the way the valve handles the job of amplifying the signal.
full story http://www.proteusaudiodevelopment.com/techtube.aspx?AspxAutoDetectCookieSupport=1
full story http://www.proteusaudiodevelopment.com/techtube.aspx?AspxAutoDetectCookieSupport=1
nicoch46 said:The E813CC is slightly more microphonic compared with the Mullard ,Some of the improvement in speed and quality can be put down to the very low inter electrode capacitance, typically half that of the Mullard, but I don't believe this to be the whole story. The unique construction and planar technology has a positive effect on the way the valve handles the job of amplifying the signal.
full story http://www.proteusaudiodevelopment.com/techtube.aspx?AspxAutoDetectCookieSupport=1
In this application microphonicity near to zero.
Wavebourn said:Still no technical comparison, just "Two times better speed and transparency of the sound". How do they measure speed and transparency of the sound? I want to smoke the same...
With one of the best instruments on the market: a pair of ears
12xx7 tubes
Looks promising for the 12XX7 users, Nice to have some new mfg's on the open market, I for one won't start complaining new tubes builders are coming to market with goods to share, and very nicely said "Human Ears" the most sensitive test device there is.
who the hell in there right mind would cry about new tubes to play with I'm sending away for some right now............. ty for the info, mark
Looks promising for the 12XX7 users, Nice to have some new mfg's on the open market, I for one won't start complaining new tubes builders are coming to market with goods to share, and very nicely said "Human Ears" the most sensitive test device there is.
who the hell in there right mind would cry about new tubes to play with I'm sending away for some right now............. ty for the info, mark
piero7 said:
With one of the best instruments on the market: a pair of ears
Nice ears. With scales drawn, in transparency and meters/second of speed.
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