Sophia Electric Coke-bottle KT88-ST Tubes (long life version) Options:Grade A (Top 10%) One tube with one year warranty All specifications subject to change

All specifications subject to change as SW1X's ongoing research and development continues

or those who have always appreciated the musical character of the original Omega series

genuine unit with full warranty support

Optimized audio-focused operating system

Fostex's proprietary bio-cellulose compound material that delivers rich low frequencies

Sophia Electric Coke-bottle KT88-ST Tubes (long life version) Options:Grade A (Top 10%) One tube with one year warranty All specifications subject to changeSophia Electric Coke bottle KT88 ST Tubes (long life version) This patented Sophia Electric coke bottle KT88 ST (long life version) tube has the most refined sounding with best high frequency extension, a cure for the dark sounding KT88 amplifiers. Jeff Day's Positive Feedback Online Review: "The Sophia Electric EL34 ST vacuum tubes remind me of a cross between 45 and 2A3 triodes in terms of voicing, with a smooth, more brightly lit, nuanced,