Possibly so.
It is one of those things that get kicked on the street by everyone.
The hexagonal surface must be smooth so that the thin wire does not brake.
This can make a Pleiadss (R,L) filter.
If the wire is very thin and many turns are used and if the DC resistance turns out of the order of 100Ω then a series resistor, resistors might not be needed.
A Pleiadss R, L filter can create a very gentle bass cut slope.
For flat frequency response from producer's brain to listener's brain.
See also: Sound Picture Recording and Reproducing Characteristics - D. P. Lowe. K. F. Morgan - JSMPE
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