Tung-Sol 6550 Matching Quad

Premium high-power Octal Beam Tetrode, among the finest in current production. Copy of the original Type 3 triple getter version popular in the 1960's. Powerful, balanced and detailed soundstage.

• Gold-plated grid & carbonized screen help prevent grid emission and bias runaway
• Increased Plate voltage and dissipation enhances performance and reliability
• More dynamic and 3-dimensional than any other 6550 type
• KT88 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.