Frequency Characteristics - Yamaha YST-SW225 Owner's Manual

This subwoofer's frequency characteristics
dB
90
80
70
60
50
40
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 a 4" or 5" (10 cm or 13 cm) acoustic suspension, 2 way system front
speakers
If you are using NS-225F speakers as front speakers, use the following example as a reference when adjusting settings.
(90Hz)
■
EX.2 When combined with an 8" or 10" (20 cm or 25 cm) acoustic suspension, 2 way system front
speakers
(70Hz)
*This diagram does not depict actual frequency response characteristics accurately.

Frequency characteristics

HIGH CUT 90 Hz
HIGH CUT 140 Hz
HIGH CUT
40 Hz
20 50 100 200 500Hz
PHASE
NORM REV
(REV)
dB
PHASE
90
NORM REV
80
70
(REV)
60
50
40
Frequency response graph*
dB
90
YST-SW225
80
70
60
Front
speaker
50
40
20 50 100 200 500Hz
Frequency response graph*
YST-SW225
Front
speaker
20 50 100 200 500Hz
ADJUSTING THE SUBWOOFER BEFORE USE
13