ADJUSTING THE SUBWOOFER BEFORE USE

Frequency characteristics

This subwoofer’s frequency characteristics

dB

HIGH CUT 40 Hz

 

90

HIGH CUT 90 Hz

HIGH CUT 140 Hz

 

80

70

60

50

40

20

50

100

200

500Hz

The figures below show the optimum adjustment of each control and the frequency characteristics when this subwoofer is combined with a typical front speaker system.

EX.1 When combined with 10 cm (4”) or 13 cm (5”) acoustic suspension, 2-way system front speakers

 

PHASE

dB

 

 

 

 

 

90

 

 

 

 

 

 

 

 

 

 

 

NORM REV

80

 

 

 

 

 

 

70

 

 

 

 

(70Hz)

(REV)

60

Front

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

speaker

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

20

50

100

200

500Hz

Frequency response graph*

EX.2 When combined with 20 cm (8”) or 25 cm (10”) acoustic suspension, 2-way system front speakers

PHASE dB

90

NORM REV

80

70

(50Hz)(REV)

60Front

speaker

50

40

20

50

100

200

500Hz

Frequency response graph*

*This diagram does not depict actual frequency response characteristics.

English

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