Yamaha YST-SW205, YST-SW305 Frequency characteristics

Frequency characteristics

This subwoofer’s frequency characteristics

		YST-SW305								YST-SW205
dB								dB
				HIGH CUT 40 Hz								HIGH CUT 90 Hz
90					HIGH CUT 90 Hz			90
														HIGH CUT 140		Hz
80						HIGH CUT 140 Hz		80
70								70
60								60
									HIGH CUT 40 Hz
50								50
40								40
20	50		100			200	500Hz	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 main speaker system.

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

YST-SW305

YST-SW205

			dB
HIGH CUT		VOLUME
			90
			80
40Hz	140Hz	0	10

70

* One graduation of this control represents 10 Hz. 60

PHASE–Set to the REV 50 (reverse) position.

40

Combined frequency response

YST-SW305

Main speaker’s response

20 50 100 200 500Hz

HIGH CUT		VOLUME
40Hz	140Hz	0	10

*One graduation of this control represents 10 Hz.

PHASE–Set to the REV (reverse) position.

dB

Combined frequency response

90

80YST-SW205

70

60Main

speaker’s

50response

40

20 50 100 200 500Hz

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

YST-SW305

YST-SW205

dB

HIGH CUT		VOLUME
			90
			80
40Hz	140Hz	0	10
			70

*One graduation of this control represents 10 Hz.60

PHASE–Set to the REV 50 (reverse) position.

40

Combined frequency response

YST-SW305

Main speaker’s response

20 50 100 200 500Hz

				dB
HIGH CUT		VOLUME
				90
				80
40Hz	140Hz	0	10
* One graduation of this				70
control represents 10 Hz. 60
PHASE–Set to the REV				50
	(reverse) position.
				40

Combined frequency response

YST-SW205

Main speaker’s response

20 50 100 200 500Hz

11