Buying Guides

Expert guides to help you choose the right vacuum tubes for your amplifier.

Choose the right PSVANE ECC83, 12BH7, ECC82, ECC81, or EL84 tube by socket label, circuit role, matching needs, and amplifier compatibility.

ECC83 and 12AX7 usually name the same high-gain preamp tube family. Learn when they are interchangeable and what to check before buying.

ECC82 and 12AU7 usually identify the same medium-gain tube family. Check compatible labels, circuit role, and matching needs before ordering.

ECC81 and 12AT7 usually refer to the same tube family. Learn where they are used, when matching matters, and what not to substitute.