The original Mullard vacuum tubing produced by Mullard was finished in the 1970s and now it is hard to find individuals in good condition and very expensive, even if you found it.
The New Sensor (NS) is a company that carries SOVTEK and Electro-Harmonix brands, and has been repeatedly reissued Mullard vacuum tubing through extensive research, research, and prototypes.
Mullard vacuum tubing that can be purchased here. After adequately aging with a PC controlled automatic sorting machine located in Japan, MPs (matching pair) are selected with high precision (guaranteed pairing accuracy of less than 5%). Provides a good output from the outage.
Country of Manufacture: Russia.
Other than the electrical characteristics of the product (damage to other devices, bulb tilt, valve height, logo missing, etc.) are not covered under the warranty.