Reference Cardioid Retube Kit Version B

This retube kit is for Manley REFCARD's with 7P, T, or X in their serial number (REFCARDT###+  or REFCARDX###+  or REFCARD7P###+). We are currently supplying (1x) Mic Grade 7025EH instead of 12AX7 or 12AT7. Be aware that some tube brands are subject to change over time and may not match the pictures shown.