Massive Passive Retube Kit Version B
This kit is only for Manley MASSIVE PASSIVE's with the serial number falling in between MSMPX1000 - MSMPX3060. Includes (2x) 5751 or 12AX7 tubes for input, and (4x) 6414 or 12BH7 tubes for driver output. Be aware that some tube brands are subject to change over time and may not match the pictures shown.