6C8G TUNG-SOL Valve Tube, JAN-CTL-6C8G NOS, AVO tested very good
Mazda ECC83 Valve – NOS Boxed – Vintage Audio / Guitar Amp Tube
GEC KT66 Vacuum Tube Valve Tested Strong 5 mA/V Audio Vintage
Pair 6SL7GT VT-229 Valve, Tube, possibly Ken-Rad , AVO tested very good
RCA 6SL7GT VT-229 Valve, Tube, AVO tested good
DL93 3A4 CV807 MULLARD UK NOS VALVE TUBE
Ferranti 6SL7GT VT-229 Valve, Tube, AVO tested very good
Mullard Mitcham M8137 CV4004 Box Anode USED Tube J Amplitrex Tested GM% 106
1960s 6080WB Bendix JAN CEA Tube - Graphite Plates - TV7 Tested Over NOS
1960s 6080WB Bendix JAN CEA Tube - Graphite Plates - TV7 Tested Superb!
Mullard Mitcham M8137 CV4004 Box Anode R8A5 USED Tube H Amplitrex Tested GM% 112
Mullard Mitcham M8137 CV4004 Box Anode USED Tube L Amplitrex Tested GM% 81 & 93
