For city apartment dweller audiophiles. Have you ever had neighbors banging on your walls?

It’s about what kind of music you play. I play contemporary and modern classical, which rarely has repeating bass. No complaints. 

My house is a pos, but thankfully Noone can tell me to turn my sh*t down...😁

tell me after all that complaining on your neighbors, have you aver been waking up onto the sounds of the livestock and flock and realizing that it's all normal??

You're all extremely spoiled!!

The exact same scenario happened to long ago in a Condo I owned. I had Snell Type A2 Speakers sitting on thin carpet, just the cabinet, no footers or feet. The floor under the carpet was concrete. This was in 1978 and the only product out was Tiptoes which looked like a Hershey Kiss, only pointy. I tried using them but the point wasn’t pointy enough and they were unstable. 
Well, not discouraged, I drilled 4 holes in the concrete pounded anchors into the holes and screwed lag bolts into the anchors. The speakers rested on the flat heads and could be adjusted so all 4 were even. 
The minute I turned the system on, I heard a tremendous increase in the bass, and imaging. It also sounded louder. Within a week, one nasty neighbor went to my door telling me to turn it down, which I did many times as his unit wasn’t even close to me. Then, the Police showed up one day while I was playing it. They didn’t think it was too loud, but the distant neighbor did. I asked the Officer if I could accompany them to the neighbors home and I did. Well, it was almost inaudible, and he had a clock on the wall ticking was more obvious than slight bass thump I could hear. He got pissed and said to the Police, “I don’t want to hear anything”.  
Before I went with the Officer, I cranked it up much louder than it was playing when the Cops first showed up. 
Thank God, the guy moved out shortly after. He didn’t Own his Condo, he was renting it, not permitted and never saw him again. 
It was the Bass that carried through the concrete, nothing else. 
 

Uhm, yeah, sure!

Decades ago, I had a sociopathic neighbor who got angry with our Seven Days Magazine neighbors downstairs from us whose staff worked at all hours of the morning to meet publishing deadlines.

One night, they are at it again, he grabs a 2 x 4, breaks down the fire exit door, and starts swinging. One guy had to be sent to the hospital.

The landlord owned the magazine and told his lawyers to spend whatever was necessary to get him out of the building by any means necessary. He was gone within a month.

I managed to avoid my neighbors wrath: I let him know that I had a girlfriend who carried a gun all the time for self protection and that she’s the nervous type. 😬 🫨