1x 5Star CopperNeck PanGetter GoldGrid OEBox 6201 GE USA WarmTone 12AT7WA ECC801
12at7 ecc81 ecc801s e81cc 12at7wa B739 B309 6211 cv4024 cv455 a2900 6060 6201 5965 12ay7 12av7. a favorite sonically, the floating pan getter 6201 is a premium 12at7 by ge usa, w/ rugged industrial grade low noise internals.