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Alex Halberstadt's Stereophile Review
Alex Halberstadt's Stereophile Review: "It was with Sophia Electric's coke-bottle-blue–glass KT88s that the amp began cooking with gas: scale becam... -
Sophia Electric Blue Glass 5U4G in Decware 300B Amplifier
I adore the blue glass 5U4G—zero issues with my Decware 300B. The amp delivers a stunning, fast, and strong sound with the 5U4G, steadier and dense... -
Sophia Electric EL34-ST Tubes in Primaluna Evo 200 Integrated Amplifier
Sophia Electric EL34-ST: The Anti-Nos Tube. It’s been over a month since I installed the Sophia Electric EL34-ST tubes in my Primaluna Evo 200. Aft... -
User Feedback on Sophia Electric Baby II Amplifier
The Baby II amplifier arrived safely. It sounds great right out of the box with my Klipsch RP-600M speakers, which have a sensitivity rating of 96 ... -
User Feedback on the Sophia Electric Blue Glass 6SN7 tubes in the Woo Audio WA22
The Sophia Electric blue glass 6SN7 tubes are far superior to the ones I thought I had as an upgrade (RCA JAN CRC 55691)—simply unmatched. Your tub... -
Sophia Electric KT88 Tubes in Luxman Amplifier
Hi Sue and the wider team at Sophia Electric! I have been in the audio hobby for more than a decade now. Although there are heaps of fantastic pro... -
User Feedback: Prodigy Amplifier Used as Headphone Amplifier
Just wanted to let you guys know the Prodigy works fantastic as a headphone amp. Much better than several headphone amps I have used in the last ye... -
Sophia Electric Blue Glass 6SN7, 6SL7, EL34 and KT88 are in stock
Sophia Electric Blue Glass 6SN7, 6SL7, EL34 and KT88 are in stock -
User Experience on Sophia Electric Classic II 300B Tubes Signature Edition
Hello Sue and Richard, The tubes arrived this morning. I installed them and gave them five minutes to warm up in my DAC… and then of course I could... -
Blue Glass 2A3, 300B 2.5V, 300B, EL34, KT88, 6SN7 and 6SL7
Newly released: KT66, Blue Glass 2A3 and Blue Glass 300B 2.5V. Blue Glass 5U4G, EL34 and KT88 are available in limited quantity. Blue Glass 6SN7 an... -
User Experience
Hello Sue: I am writing this memo to both compliment and thank you and Sophia Electric for the service I have received relative to my electroni... -
User Experience on Aqua II 274B
Hello Folks, Just a quick note to say that this new tube is absolutely sensational. I was happy with the first Aqua, but version two is substantia...
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