GEC Genalex KT88 Vintage Amplifier Vacuum Tube Made in UK TEST Marginal O.9782
Manufacture Date 1972, Week 48 — GEC Genalex factory. Tube Type Beam Power Tetrode. Model KT88. Results: 40 (MARGINAL / LOW). Common Use Power Amplifier. ALL TUBE AUDIO. Tube Specifications. This tube tests below minimum Good, it still may operate fine depending on its use.
