About the brand

Sophia Electric, is a US-based company located in Vienna, Virginia, which designs and builds, a full line of handcrafted high-performance vacuum tubes. The company is motivated by a desire to recreate the sweet sound of Western Electric tubes. The engineers and owners of Sophia Electric are collectors of vintage radio, audio tubes and tube amplifiers. The whole team behind these amazing tubes come from solid electrical, mechanical and audio design backgrounds and they really deliver on the promise of unbelievable sound from new tubes. TRY THEM you will be amazed!


Detailed information on individual models and technical data are best found directly with the manufacturer. We invite you to connect with them here. We urge you to request specific demonstration or discussion with CDF directly for all of your questions.


  • 300B:
  • Carbon Princess™ - 300B
  • S.E.T. Princess™ - 300B Mesh plate
  • 300B globe Mesh plate
  • New classic - 300B
  • Royal Princess - 300B
  • 2A3:
  • Carbon Princess™ 300B 2.5V
  • S.E.T. Princess™ 300B 2.5V Princess 2A3 mesh tube
  • Princess 2A3 mesh plate tube
  • 2A3 mesh plate tube
  • New KT88 tubes
  • New EL34 tubes
  • 845 / 211 MK3 tubes:
  • New 845 MK3
  • New 211 MK3
  • 6SN7 GTA
  • 6SL7
  • 12AX7
  • 12AU7

Customer Reviews

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Royal

Royal 300B Vacuum Tube

By Jeff Day

“The musical realism of the Royal Princess (300B) was breathtaking, with rich and detailed timbral textures, deeply infused tonal colors, and an overall sense of drama with the music playing that just left me on the edge of my seat, listening into the music with anticipation for what was to come next.”

Exceptional Customer Service

Hi Graeme , I wanted to thank you for the exceptional quality customer service as well as the hospitality of your store. I find that whether you buy a 20$ adapter, a pair of headphones for 400$ or a set of speakers for 20000$ every customer are treated equally and…

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Courteous and thoughtful

I want to drop you a quick thank-you note for being so courteous and thoughtful late Friday night. I sincerely was not expecting your hospitality, especially so close to your closing. I am impressed that you started up the VTLs for me even though there really wasn’t any time to…

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Repeat customer

Dear Graeme, I just wanted to thank you for the wonderful experience at CDFaudio. You definately have a repeat customer here! I went back home to listen to the same piece I heard on the Shindo setup and I get it! What I previously thought was warm and inviting was…

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Professionalism and devotion

Good morning Graeme, I've received speakers thursday night at 7:00 P.M. as promised. After dedicated manutention and very great care of the environment , map the room and placed very professionally the two speakers. It was a joy to watch the work like an artist who his creating a new…

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Overall Great Service

I want to thank all of you for your courteous, caring and overall great service. Have been listening to the new amps and they sound wonderful. They seem to be working perfectly. I am also quite impressed with the Luxman Dac. I'm looking forward to getting all my cd's downloaded to…

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