Reference Cardioid Retube Kit Version B Capacitors THT and (4x) 5687 or 7044

and (4x) 5687 or 7044 tubes for driver output

aka 12AU7 or 5814 or ECC82

Used in the Manley Neo-Classic 300B Preamplifier RC

) Because the entire working "guts" of the microphone may be removed for service in one piece from the housing

the unbalanced RCA's can alternatively be used in this special topology with equally impressive results

Reference Cardioid Retube Kit Version B Capacitors THT and (4x) 5687 or 7044This 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.