IEC Mullard KT88 Tube = 6550 TESTED STRONG

📦 Shop vacuum tube with free shipping and free return. This is the vacuum tube, it's convenient to clean with a wet sponge and a cotton cloth after

New Mullard KT88 Vacuum Tube Russia Tube Replace 6550 6550C UK-KT88 KT150 KT120 KT88 Electron Tube Factory Test And Match

Watford Valves :: Testing

Mullard IEC Mullard KT 88 KT88 6550 tested strong pair rare rare

Power Tubes

Audio Tubes

IEC Mullard KT88 Tubes - Vintage Matched Pair

PAIR KT88 Mullard Tubes NOS VINTAGE McIntosh Amp tube!!

Test in new tube level. Very difficult to find now.

GEC (MULLARD) KT88 in matched pair.

New Plate Current Tested Mullard Reissue KT88 / 6550 Vacuum Tube Directly from the manufacturer: This is an exact copy of the KT88 valves that were

New Mullard KT88 / 6550 Vacuum Tube