1 x 12AX7WA/7025 Preamp Valve / Tube by Sovtek
Sovtek 12AX7WB Preamp Tube - AmpTubes for all your tube needs
Sovtek 12AX7LPS Preamp Tube - AmpTubes for all your tube needs
Sovtek Russian Made Tube KT88 – Fleet Pro Sound
SOVTEK KT88, matched pair - Retroamplis
Replacement Sovtek Valve Kit for Hughes and Kettner Tubemeister 18
MULLARD KT88 MATCHED QUAD VACUUM TUBES TESTED!
Genalex / Gold Lion KT88
Bogner Telos Tube Set - AmpTubes for all your tube needs
Svetlana Tube Set For Bogner Shiva Amps with KT88 12AX7 | Reverb
KR Audio KT88 - Quartet (4 matched tubes)
Sovtek EL84 Power Valve - Replacement for guitar amplifiers
Matched pair of KT88 power valves
Sovtek EL84 / 6BQ5 Power Tube - AmpTubes for all your tube needs.
KT88-STR REDBASE TAD Premium Matched
KT88 Power Valve by JJ Electronics
TAD KT88-STR BLACKPLATE, Premium Matched
Sovtek KT88 tubes, NOS. Matched quad. $200 MSRP – Kahl Audio
Sovtek 6550WE
TAD KT88-STR KT88 REDBASE MATCHED PAIR VACUUM TUBES TESTED
Shuguang Black Treasure KT88-Z (gold grid)
Psvane KT88-T-MII/2 Matched Pair
KR Audio KT88 - Quartet (4 matched tubes)
ELECTRO-HARMONIX EH KT88 KT88EH MATCHED QUAD VACUUM TUBES TESTED!
GENALEX GOLD LION KT88 MATCHED OCTET VACUUM TUBES TESTED!
