It is a good idea to have a spare fuse for each device in the studio that requires one. No More Bad Acoustics 11. We all know that's not the case. A little acoustical treatment in the typical spare room or garage that serves as a home recording space can go a long way. You can use commercial material like Sonex, or hang heavy drapes, it basically accomplishes the same thing.
Phase cancellation can occur in home studios with improper placement of monitor speakers.
If the speakers cannot be relocated, you might try treating the area around the speakers with absorptive material. A common problem in home studios is the phenomenon of standing waves. The distance between reflective surfaces determines the frequency of the standing wave. Since the standing wave represents a boost in that frequency, you'll be tempted you cut that frequency out of your mix in order to get the correct tonal balance. Better yet, avoid the standing wave phenomenon by locating your studio in a room with non-parallel walls.