Premium power beam tetrode continuing in the Tung-Sol legacy. The ultimate in musical tone and smooth overdrive, STR delivers the sound that established Tung-Sol as the benchmark of quality.
• Faithful re-issue of the original Tung-Sol STR, built to the same “Special Tube Request” specs of amp manufacturers of the 60s
• Rugged and reliable for use in the most demanding guitar amplifier circuits
• 5881/KT66 equivalent
Strongly committed to quality manufacturing, Tung-Sol tubes have always been known for their reliability and great tone. Today's new production Tung-Sol tubes are constructed with the same commitment to quality and reliability. Tung-Sol tubes reflect the best in vintage Tung-Sol construction with unsurpassed tone and reliability.