12AT7 Electro Harmonix![]() | 12AT7 JJ (formerly Tesla) | 12AT7WC Philips Jan Mil spec tube![]() |
12AY7 EH![]() | 12BA6 N.O. S. Various Brands![]() | 12BH7 Yugo |
12DW7/7247 by Electro Harmonix$44.95 | 5AR4/GZ34 Chinese copy of Mullard | 5U4GB Electro Harmonix |
5Y3GT Sovtek Rectifier tube | 6AN8 N.O.S. | 6AQ5 NOS US made various brands$21.95 |