1x NOS EiYugo GrooveTube 7025 12AX7WA /Top ECC83/12AX7 /ClassicTelefunkenTooling
This top shelf 12ax7wa equivalent includes the oe box, visible ei etch code, top shelf rugged 12ax7 ecc83 upgrade. illuminate your stereo/preamp w/ a pristine silkscreen long plate 7025 by ei yugo, legendary groove tube screened.