1

584

52529,5 29,5

29,5

29,5

525

584

1,0

0,8

0,6

0,4

0,2

0,0

α

Hz400020001000500250125

α 0,65 0,80 0,65 0,55 0,450,45

BELGRAVIA GLOBE - PERFORATION DATA

PERFORATION DETAILS

AbSORPTION COEFFICIENTS

At 200 mm and with 0 mm mineral wool

Perforation type Globe - 6 mm round holes

Perforation percentage 10,2 %

Perforation pattern G1

Suspension system S15

Frequency (Hz) 125 250 500 1000 2000 4000

αp 0,45 0,65 0,80 0,65 0,55 0,45

2

G2F G2T

G2L

G3T

G3L

G3F

G4T

G4L

G4F

G4T2

G4L2

G1F

G2F

G2L

G2T

G3F

G3L

G3T

G4L

G4F

G4T

G4L2

G4T2

This overview shows the special perforation patterns, that Belgravia Globe is available with in 600 and 1200 mm format. Please note that minimum quantity can occur in 1200 mm format. For more detailed drawings of a specific perforation pattern please contact our local representative.

BELGRAVIA GLOBE - PERFORATION DATA

3

575

52525 25

2525

525

575

1,0

0,8

0,6

0,4

0,2

0,0

α

Hz400020001000500250125

α 0,65 0,80 0,65 0,55 0,450,45

PERFORATION DETAILS

AbSORPTION COEFFICIENTS

Perforation type Globe - 6 mm round holes

Perforation percentage 10,2 %

Perforation pattern G1

Suspension system S24

At 200 mm and with 0 mm mineral wool

Frequency (Hz) 125 250 500 1000 2000 4000

αp 0,45 0,65 0,80 0,65 0,55 0,45

BELGRAVIA GLOBE - PERFORATION DATA

4

G2F G2T

G2L

G3T

G3L

G3F

G4T

G4L

G4F

G4T2

G4L2

G1F

G2F

G2L

G2T

G3F

G3L

G3T

G4L

G4F

G4T

G4L2

G4T2

This overview shows the special perforation patterns, that Belgravia Globe is available with in 600 and 1200 mm format. Please note that minimum quantity can occur in 1200 mm format. For more detailed drawings of a specific perforation pattern please contact our local representative.

BELGRAVIA GLOBE - PERFORATION DATA