MULLARD CV2131 | QY4-250 | QB3.5-750 | CV5343

Description

The MULLARD CV2131 / QY4-250 / QB3.5-750 CV5343 power tube is a beautiful British Military power tetrode. They produce high wattage and can be used in audio amplification as well as radio transmission.
CALIFORNIA PROPOSITION 65 WARNING
WARNING: Cancer and Reproductive Harm-www.P65Warnings.ca.gov.