Super SupremE is going back to Eric today to have 45 tubes become a reality. Strangely I prefer 2A3 over 300b (slightly) in SupremE. It's just more lively. That doesn't make 300b sleepy. This is just as a comparison to my ears, HD800 and Yggdrasil. ymmv.
It needs to be said: SuperSilver UltimatE is sexy. Compliments my desktop so nicely, here adorned with RFT EZ81, Marconi Canada 6V6G, Mullard 12AU7 and Mazda (UK) 6P25. Incredibly, it sounds even better than it looks, with Meze Elites on the ears now.
It needs to be said: SuperSilver UltimatE is sexy. Compliments my desktop so nicely, here adorned with RFT EZ81, Marconi Canada 6V6G, Mullard 12AU7 and Mazda (UK) 6P25. Incredibly, it sounds even better than it looks, with Meze Elites on the ears now.
EL11 sound like a cross between 6V6 and 2A3 to me. It has pentode and triode beauty in it's sound. Crisp is the word that comes to mind. Delicate and piano key strikes are clear. Drums and percussion instruments have clear tones and ambience and vocals have the 'you are there' quality that good single ended amps are famous for.
I've run a couple of different EL11 on UltimatE and all sound good. This is a pair that is labelled Telefunken EL11 on it. Others are labelled Siemens EL11 and another pair Philips Miniwatt EL11 of a different shape. I'm down to 5 good pairs of EL11 now. Mainly reserved for Odyssey.
Sorry I was overcome by what I heard and couldn't stop listening.
Eric has implemented 45 tubes in SupremE successfully. I thought that 2A3 is good but I have to say I like 45 more ! If I was comparing honey, 45 would be premium grade. Extra sweetness without overdoing it. Now we are talking. 45 rivals the best of the power tubes in UltimatE and I would say it is even better. Now you have a freshly tuned piano by the master tuner. A Mark Knopfler guitar tuned and played by Mark himself. Feel the hairs on your arms stands as you listen to 'Brother in arms'.
The 45 tubes supplied by @nmat79 is Philips Miniwatt 45, a nice gem.
I haven't done a thorough comparison between 300b, 2A3 and 45 tubes in SupremE but the amp is a success from the several hours I have put in. All the features of my Super Ultimate is there and I haven't tested preamp out with 300b tubes and I think that will be phenomenal. I have listened with Grado GH1 on the 45 tubes and it's total silence.
Eric did some hum noise measurements and the results... in Eric's own words.
It may be good news on the humming measure result. !!!! I measure the residue humming levels on speaker output ( 0 volume ) as below :
Standard KT150 (for speakers) should be around 1.8mV AC, Standard 300B amp for speakers may be higher. Destiny for headphone may be below 1.8 mV AC,
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