6F6

Octal 8-pin power amplifier pentode highly valued for its exceptionally low distortion, reliable operation, and warm tonal character in consumer audio gear. Equivalents: 6F6G, 6F6GT, VT-66, CV1910. Real-Life Examples: Philco 38-116 multi-band console radio, early Gibson EH-100 guitar amplifiers, Hammond organ tone cabinets.