Thanks for spreading all of your knowledge, great advice!

I use my favorite music when tuning the system by ear such as liquid drum and bass but when using RTA’s, volt meters, or other equipment for tuning or setting amp gains, Sheffield labs is the way to go.

Great info thanks guy's

Shefield is also on tidal. I use the pink noise

Thanks guys

Dean the night Owl🤣

Do you have a simple math formula for setting speaker timing in a car, i want to measure in inches ?. I have found one that usese meters, but who uses meters, thank youl.