Replacement finder
Pick the tube you need to replace to see its other names and any replacement we've verified against cited datasheets.
Fitting the same socket doesn't make a tube safe to use. Always confirm with your amplifier's documentation or a qualified technician — tube amps contain lethal voltages.
Same type, different name
No alternate designations recorded.
Variants (check before swapping)
None recorded.
Verified substitutions
None verified for 12AY7 yet. We list a replacement only after checking it against cited datasheets. A tube that isn't listed here simply hasn't been checked by us: that doesn't make it suitable or unsuitable for your amplifier.