GEC Audio Tube Data
2nd edition
This special reprint brings together information from several sources. It also contains data on the KT66, KT77, and KT88 tubes along with suggested amplifier designs and a section of preamplifier designs.
2nd edition
This special reprint brings together information from several sources. It also contains data on the KT66, KT77, and KT88 tubes along with suggested amplifier designs and a section of preamplifier designs.