| ▲ | danadam 2 days ago | |
Some laboratory-grade equipment probably. > 0 dB doesn’t mean “zero sound pressure” From the decibel definition, zero of anything is -∞ in dB_suffix scale. | ||
| ▲ | layer8 2 days ago | parent [-] | |
> Some laboratory-grade equipment probably. I wasn’t able to find any listings, that’s why I’m asking. | ||