Where can I make the frequency response of headphones?

Question

Headphones

Maybe someone knows if it is possible somewhere in St. Petersburg to take readings of the frequency response of the headphones inexpensively?

Answer 1

just came to mind:
- get for a while the most fucking headphones of your type (droplets, ear pads).
- take the frequency response from any distance, by any means
- take the frequency response as ideal
- compare all other measurements with the standard
In general, it all looks like gypsy borscht, its recipe begins like this:
1. Steal the pan.
2. Steal the rooster.
3…
))))

Answer 2

you can measure at home using a capsule microphone (it costs a penny, it is also used in mobile phones, cameras ...)
You connect it to a "computer", you generate white noise, after downloading the generator thereof. You also download the equalizer (there are also enough of them on the Internet), with the help of it, you look at the frequency response.
If I'm not mistaken, the frequency response of headphones should not be straight.
Take the distance from which you will take the characteristic either according to the standard or to your taste (Comrade Klyachin takes off the speakers randomly by rotating the microphone, someone else does it in his own way)
If you contact the laboratory, they will take it according to the same principle, only the microphone and the path will be more expensive, but the accuracy will increase by several percent. But for domestic purposes, this is superfluous.