Eric McChanson Headphone Amp??
Jun 5, 2023 at 9:46 AM Post #1,786 of 9,894
Aren't you running out of rack space?
I did long ago. Might learn a lesson from you and start selling some of my "entry level" amps? :thinking:
probably should start by offloading Cavalli Liquid Platinum and Gilmore Lite mk2... Both are great, but get zero head-time for a while now!

Edit: or maybe learn from @jonathan c and keep some in the closet, and rotate once in a while, instead of keeping everything plugged and ready!
 
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Jun 5, 2023 at 10:18 AM Post #1,787 of 9,894
What fuse does the UltimatE actually have installed in terms of value?
Thanks for the clarification about the 6j5 tube.
I assume that it will not work with the adapter and 2x6J5 tubes in the UltimatE because otherwise it would draw 12.6 volts in total, which would be too much I guess as a driver tube.

As an output tube I'm not sure if it would work.

As far as amps are concerned, I'm currently limiting myself to 2 with the UltimatE, but I can't say yet that there will be more.
It is possible that another one could come from Eric.
In terms of space, I'll have to think about something.
 
Jun 5, 2023 at 2:41 PM Post #1,788 of 9,894
Expecting child parents prepare the ‘crib room’; expecting tube h/p/a owners prepare the ….
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😊🤣☑️
 
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Jun 5, 2023 at 3:33 PM Post #1,789 of 9,894
Does your lady boss at home know what you're doing, lool.
The tubes will certainly hang above the children's bed later and glow so beautifully orange to help the future child to fall asleep,hahaha.

Hopefully the future child will be called UltimatE,hehe.

You bought beautiful tubes, I'm also keen on the Sylvania.
I bought a couple of Raytheons at a great price and in great condition.
 
Jun 5, 2023 at 3:34 PM Post #1,790 of 9,894
16 hours into burn in of Ultimate. I'm using Telefunken ECC801S and Radiotron 6F6G with a new RCA 6BW4 rectifier for burn in. Burn in is just listening to music.

Have swap back to using Susvara. Ultimate drives Susvara very well for my purpose and I love vocals with this combination. Ultimate feels smooth and polished but vibrant and alive. One of the most energetic tube amp I've come across.

Even with just 16 hours under it's belt, Ultimate is very listenable. No rough edges. Just a capable amp that has control of any of my headphones.
 
Jun 5, 2023 at 3:49 PM Post #1,791 of 9,894
I assume that it will not work with the adapter and 2x6J5 tubes in the UltimatE because otherwise it would draw 12.6 volts in total, which would be too much I guess as a driver tube.

As an output tube I'm not sure if it would work.

I'm getting confirmation on using 2 x 6J5 with an adapter in Ultimate's 6sn7 socket. I believe it can. Just waiting on Eric to confirm.

You definitely cannot use 6J5 as output as I explain earlier.
 
Jun 5, 2023 at 4:00 PM Post #1,793 of 9,894
Yeah okay.
Thank you for asking eric,🙏🙏🙏🙏
But I also think that 12.6 V with 0.6-0.8 amps could be critical as a driver.
Since 6sn7 needs an average of 6.3v and between 0.3-0.4 amps.


Makes it go quite comfortably with 16h burn in.
I've read that the Mundorfs are already at full power from 20h onwards.
They get a little better when they have more hours on them.
But I still have to play in all my tubes with the amplifier,🫣.

I have seen a Telefunken 803S but at a very high price.500-600 Au $.
I might also be able to get my hands on a few Kt66 Gec, I'm currently clarifying this.
That would be really great if it works out.
 
Jun 5, 2023 at 4:14 PM Post #1,794 of 9,894
I have seen a Telefunken 803S but at a very high price.500-600 Au $.
I might also be able to get my hands on a few Kt66 Gec, I'm currently clarifying this.
That would be really great if it works out.

Telefunken 803s has a killer price. https://www.rfparts.com/tubes/tubes-audio/tubes-audio-12ax7/ecc803s.html

If you plan on investing on NOS power tubes, then just get one pair of each. It's going to hurt the pocket but it's a great experience sampling them all. The Pentode and Beam Tetrode are a great family of power tubes.

Otherwise just stay with 6*6 family or the equivalent EL84.
 
Jun 5, 2023 at 4:17 PM Post #1,795 of 9,894
If there is 6.3v supplied adding a double valve socket does not affect the voltage, there is still only 6.3 volts available but the current load will increase.
 
Jun 5, 2023 at 4:28 PM Post #1,796 of 9,894
16 hours into burn in of Ultimate. I'm using Telefunken ECC801S and Radiotron 6F6G with a new RCA 6BW4 rectifier for burn in. Burn in is just listening to music.

Have swap back to using Susvara. Ultimate drives Susvara very well for my purpose and I love vocals with this combination. Ultimate feels smooth and polished but vibrant and alive. One of the most energetic tube amp I've come across.

Even with just 16 hours under it's belt, Ultimate is very listenable. No rough edges. Just a capable amp that has control of any of my headphones.
The TF ECC801S is a wonderful tube! I am excited that UltimatE can (will !) use 12AT7 / ECC81 tubes … 🤪.
 
Jun 5, 2023 at 4:30 PM Post #1,797 of 9,894
Jun 5, 2023 at 4:33 PM Post #1,798 of 9,894
The TF ECC801S is a wonderful tube! I am excited that UltimatE can (will !) use 12AT7 / ECC81 tubes … 🤪.

I am excited for the 12AT7 /ECC81 tubes too because I can use those tubes in Ultimate that I bought for Odyssey.

I need to compare 12AT7 (60 mu) with 6SL7 (70 mu) in Ultimate. I have love both in Odyssey.
 
Jun 5, 2023 at 4:33 PM Post #1,799 of 9,894
Telefunken 803s has a killer price. https://www.rfparts.com/tubes/tubes-audio/tubes-audio-12ax7/ecc803s.html

If you plan on investing on NOS power tubes, then just get one pair of each. It's going to hurt the pocket but it's a great experience sampling them all. The Pentode and Beam Tetrode are a great family of power tubes.

Otherwise just stay with 6*6 family or the equivalent EL84.
I looked again and it's a tele ECC801S.
The one you have, but 300€ is also a lot for such a small mini tube.
The one you posted is extremely expensive.
My wife will definitely kill me😁😁😁.

If you really want to buy fuses, then Refine Audio.
It doesn't add anything, it just makes certain things better.
I have them in 3 systems and I'm happy with them.
But currently hard to get for whatever reason.
It doesn't cost much, less than the SR purpel.
 
Jun 5, 2023 at 4:35 PM Post #1,800 of 9,894
Does your lady boss at home know what you're doing, lool.**
The tubes will certainly hang above the children's bed later and glow so beautifully orange to help the future child*** to fall asleep,hahaha.
** yes, besides these tubes are very reasonably priced. ☑️
*** our youngest graduated a bit ago from college … ☑️
 

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