Hey I'm wondering if anyone here knows about premium resistors and which ones may reduce the volume somewhat on a headphone cable? I've got an amp that's emitting a low-freq. hum and largely ruining my experience. I've already tried everything in the book and even a few new tricks, but to no avail. for grounding, clean power, shielding, etc.
I'm looking for about a 10-20% volume reduction as to allow on the music to pass through, using a louder volume on the amp. The concept that embedded resistors would yield a more pure signal than an actual potentiometer in the path, and I would experiment with a few to see which works best. But I'm not sure which resistance value would be needed, which brand is the most premium reference sound, and about the schematics (which pins or if I need 2 or 4). It's for a Neutrik 4-pin balanced connection.
Probably I would need audiophile quality solder also?