NOS Matched Pair of Mullard CV4014 / 6064 / EF91 / 6AM6 / M8083 Vacuum Tubes

One NOS matched pair of Mullard CV4014 tubes. These are the real deal military labeled CV4014s. Great for little headphone amplifiers like the Little Dot. These are higher class but otherwise equal to 6064 / M8083 / EF91 / 6AM6. There is a variety of printed brads, some are branded Mullard, Brimar or Kodac. All have "R" Mullard codes. All include the original pin protectors. 

* Quads are available - please order a quantity of "2" for a quad - make sure to email us first to check if the quantity in stock is less than 4 *

Tested and matched within 15% or less on a calibrated Hickok TV-7D/U. Fully guaranteed against any defects including noise or microphonics.