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Hello from Spain, I have a Cary Audio integrated SLI 80 signature from 2004. I have used two 6922 JAN NOS USA (excellent and balanced tube) and now I have Amperex NOS Philips E88CC in preamplifier section (another sonic and different texture...liquid and defined mids, more tridimiensional sound stage and extended highs, but less bass…), with two 6sn7 wgta USA and two RCA 5u4gb in rectification sections. Recently I made an order of two Sophia Electric Princess 274B rigid plate and two Sophia Electric 6SN7 tubes and the change was....simply wonderfullllllllllll!!! The general stage grows more and more in all directions....the roundness, smoothness, 3d, extended bass in the music texture is really amazing!!! There is not any sign of harshness anyway... Every note sounds like pure silk. My congratulations by your great work and I cheer you up to continue in that way. David from Spain |
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Dear Sophia Electric, I received your Princess 274b tube this morning and I took it out of the box and put it in my 300B single ended amplifier. It was just like having a new AMP. I was sitting in my sofa for one hour listening to Charlie Haden and I was not able to move. The sound was so soft warm and sexy with lots of dynamics headroom bass and Highs with a lot of details. And this evening I have put on Shirley Horn on the program and again so warm soft and sexy with so many details that I have never heard before. I have been using TJ full music 274b for 5 months now and I thought it was the same TUBE? The Princess looks like the TJ 274b tube but the sound is 10 times better!!!!! With the Princess 274b tube and two TJ 300b tubes I already have, they sound incredible good. So now I know what I want for Christmas evening 2 Princess 300B and then it will be like having Christmas all the year long. Thanks a lot. Christian Danhoj |
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Hi Richard, Thank you so much for recommending the 300B Carbon Plate and Princess Rigid 274B tubes. These tubes make Western Electric 300B’s and my old rectifier tube in my Emotive Audio preamp sound dull and slow. Your new tubes have brought life and dynamics to my system. They sound natural and full range without any brightness or distortion. They took about 50 to 100 hours to break in but the wait was well worth it. Thanks again. If you come up with any future improvements to these tubes, be sure to notify me and I will not hesitate to buy them. Charlie Anderson Hudson, NH |
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Your Sophia Electric mesh plate 274B is the best rectifier tube I have ever heard including the actual Western Electric 274B. This is quite an accomplishment and you should feel very good about this. I let my Canadian distributor hear it in his Sira and he refused to let me have it back. So, now I have only the one left and it must go to a customer soon. So, I will be ordering more. I will also recommend them to anyone who buys one of our preamps. Fred Volz Emotive Audio |
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The tube made a dramatic difference in my system. The sound stage is more open and much deeper. There seems to be more detail in the music, as if there are more layers to the sound. Transients are much faster and crisper. It is diffidently worth every cent. My system: Pre-amp: Wavelenght Sine 2 with Mulard 6900 tubes Amp: Wavelenght Duetto II Transport: Krell CD-DSP II DAC: Perpetual Technologies, with time alignment engine Speakers: Reference 3a Royal Master Controls Sub: REL Strata III Line Conditioner: PS300 with PS Lab power cable Power Cable: Granite Audio All gold interconnect and silver speaker cable Mr. Gabbard, Tennessee |