NOS/NIB 1980's MULLARD MILITARY SPEC CV4024 ECC801S 12AT7A ECC81
CV4024 / ECC801S / 12AT7A. Mullard CV4024. The Mullard CV4024 is an all-around all-star, far out performing its price point. It’s been said that the Mullard sound can be most likened to a warm British jacket of the finest tweed.