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New Sophia Electric Aqua 274B tube (Read 865 times)
busterfree
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New Sophia Electric Aqua 274B tube
08/30/17 at 01:03:58
 
Has any one tried the new Sophia Electric Aqua 274B tube in their Decware gear?

From their website, “Sophia Electric came out with a newly designed Aqua 274B rectifier tube to raise the limitation from 8uf to 47uf. This Aqua 274B can directly replace 5U4G in most amplifiers with great sonic improvement.”

It is still an expensive tube to try at $199, but I am curious to hear any feedback. I read the review below. My interest is peaked but not enough to spend $ yet.

https://positive-feedback.com/audio-discourse/sexy-blue-tubes-the-sophia-electri...

Anyone try their KT88 or EL34-ST in a Rachel?
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SonicSeeker
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Re: New Sophia Electric Aqua 274B tube
Reply #1 - 08/30/17 at 02:11:31
 
I have always been intrigued by these tubes.
But like many I wont be able to justify the price at least not in the near future but I will probably try them eventually.
I had also asked quite some time ago if anyone had tried them in there Decware gear.
I hope someone here will try them and give us there opinion.
I sure wish I had his toys to listen with.
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« Last Edit: 08/30/17 at 02:17:19 by SonicSeeker »  

Torii Jr
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busterfree
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Re: New Sophia Electric Aqua 274B tube
Reply #2 - 08/30/17 at 23:53:04
 
The Sophia Electric Aqua 274B seems to be a brand new tube design and not the same as their other 274Bs for what's it worth.

I often wondered about their other 274Bs and the Emission Labs 274B, but I did not try because of high cost and shortened tube life in Decware gear.
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Steve Deckert
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Re: New Sophia Electric Aqua 274B tube
Reply #3 - 08/31/17 at 03:07:03
 

Sophia Electric Aqua 274B is compatible with all Decware gear.  

It was designed like the 274B we use by Valve Art  which is to say it will handle a 47uf capacitor.

The original vintage 274s were restricted to between 4 and 8 uf.
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donovan
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Re: New Sophia Electric Aqua 274B tube
Reply #4 - 09/01/17 at 04:52:42
 
Handsome enough, that's for sure, but too rich for my blood.
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« Last Edit: 09/01/17 at 04:59:03 by donovan »  
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busterfree
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Re: New Sophia Electric Aqua 274B tube
Reply #5 - 11/04/17 at 18:19:30
 
I am giving the Sophia Electric Aqua 274B tube a try.

I was concerned about ordering because Sophia Electric site did not have a traditional webstore or shopping cart. I am not a fan of phone orders. No worries. It was a smooth PayPal transaction after my initial email.

I am keeping my receipt, but I fully expect to get a year out of this tube (if not several). I was happy with how the system sounded with the Valve Art 274B that ships with the SE84UFO. I am still happy with my system’s sound after installing the Aqua. I think I have about 100 hours on this tube so far....I think the bass is a little better with this new tube.

A $200 rectifier is certainly not needed to get good sound. I sold some gear and used the proceeds to try a tube I was curious about. A win win.
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busterfree
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Re: New Sophia Electric Aqua 274B tube
Reply #6 - 11/04/17 at 18:21:47
 
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busterfree
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Re: New Sophia Electric Aqua 274B tube
Reply #7 - 11/04/17 at 18:22:51
 
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SonicSeeker
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Re: New Sophia Electric Aqua 274B tube
Reply #8 - 11/04/17 at 20:48:21
 
Beautiful looking tube.
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JOMAN
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Re: New Sophia Electric Aqua 274B tube
Reply #9 - 11/09/17 at 10:41:05
 
Curiosity has got the better of me again and I just ordered the Aqua 274B.  Managed to get one for $140.00.  Once I try this tube my rectifier “journey” will end.  I was tempted to try the Mullard U52 but figured that money was better spent on a Z-Rock2.

So far of all the rectifiers I have tried in my system the Mullard GZ32/CV593, AWV 5AS4 and one of the Type 80’s (nice tube) will remain, the others will go and some already have.
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