Bosch LBC 3481 12 Installation And User Instructions Manual page 6

LBC 3481/12
Polar diagram (measured with pink noise)
LBC 3491/12
Polar diagram vertical (measured with pink noise)
LBC 3492/12
Polar diagram (measured with pink noise)
Polar diagram horizontal (measured with pink noise)
LBC 3493/12
Polar diagram (measured with pink noise)