Reference Cardioid Retube Kit Version A Mastering Vari Mu Use it to compare several

Use it to compare several sources or to add additional inputs into a system

Designed for the real music lover - not the switch tweaker - the CHINOOK’s elegant design and efficient construction keep the price affordable AND devotedly handcrafted in the USA at Manley Labs

Includes (2x) 5814 or 12AU7 tubes for input

Mid Frequency

Tubes - I'm Biased

Reference Cardioid Retube Kit Version A Mastering Vari Mu Use it to compare severalThis kit is only for Manley REFCARD's with the serial number REFCARD001 and up (No T or X included). Includes (1x) Mic Grade EH 6072A 12AY7 tube. Be aware that some tube brands are subject to change over time and may not match the pictures shown.