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TUBES

300B Sophia Royal Princess tube

Copy of Sophia 300B Royal Princess tube
Copy of Sophia 300B Royal Princess tube

300B Sophia Royal Princess tube

from 1,200.00
  • Special order, ships within 1 week
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Product information

Sophia Electric applied all expertise learned from the past to this new flagship Royal Princess 300B tube (white base) has the best virtues of both Princess mesh plate and Princess carbon plate 300B tubes and sound light-years ahead of any 300B tubes made in the history including both Sophia Electric Princess Carbon Plate 300B and Princess Mesh plate 300B tubes that won worldwide praises.

Sophia Electric S.E.T. Princess 300B mesh plate tube is the upper-class model of the current 300B line (globe shape is still in production). This new tube is using the same 300B plate (as the globe 300B) with stronger plate structure learned from making the original princess tubes. It is a true 300B tube. It will work with all 300B amplifiers (Western Electric 300B direct replacement).

The glass enclosure was from the Princess 206 tube for its unmatched sonic beauty. The shape of glass enclosure does make a major difference. Just thinking of violin's shape, if it gets changed to a triangle, the sound character of the violin will change for sure.

Sophia Electric engineers have conducted many hours of audition and comparison. In the end the current shape of Princess tube glass enclosure is the most preferred choice sonically. It has more volume and more curved than the old ST. It is not the old ST came back rather it is a carefully crafted, researched new 300B model. The result is a 300B mesh plate tube with super clarity, low distortion and out of this world midrange fullness and liquidity. High frequency extension and sweetness is the first thing you would hear.

This is a true 300B tube that is 100% interchangeable with the popular Sophia Electric globe shaped 300B mesh plate tubes and Western Electric 300B tubes, as well as current production Chinese/Russian 300B tubes (with WE 300B standard).

Woo Audio is an authorized reseller.

Overview



  • Sophia Electric Royal Princess 300B tube (white base), matched pair or matched quad
  • Wood storage box

In the box


  • WA5 - pair
  • WA5-LE - pair
  • WA234MONO - pair
  • 3ES - quad

Compatibility