Yamaha AX-490, AX-590 Adjusting the BALANCE control, Selecting the SPEAKER system, Adjusting the BASS and TREBLE controls, Adjusting the continuously variable LOUDNESS control

Adjusting the BALANCE control

Adjust the balance of the output volume to the left and right speakers to compensate for sound imbalance caused from speaker location or listening room conditions.

AX-590		AX-490
		BALANCE
BALANCE		l	0
l	0		l
	l	2	2
2	2
3	3	3	3
4	4	4	4
L 5	5 R
		L 5	5 R

Selecting the SPEAKER system

Because one or two speaker systems can be connected to this unit, the SPEAKERS switches allow you to select speaker system A or B, or both at once.

SPEAKERS

A B

ON ON

OFF OFF

Adjusting the BASS and TREBLE controls

AX-590

BASS		TREBLE
l	0	l	0
	l		l
2	2	2	2
3	3	3	3
4	4	4	4
5	5	5	5
AX-490
BASS		TREBLE
l	0	l	0
	l		l
2	2	2	2
3	3	3	3
4	4	4	4
5	5	5	5

BASS : Turn this clockwise to increase (or counterclockwise to decrease) the low frequency response.

TREBLE : Turn this clockwise to increase (or counterclockwise to decrease) the high frequency response.

Adjusting the continuously variable LOUDNESS control

This control provides compensation for the human ears’ loss of sensitivity to high and low-frequency ranges at low volume. This control is adjustable to retain full tonal range at any volume level.

1	AX-590		AX-490
			LOUDNESS
	LOUDNESS		l FLAT	Set to the “FLAT” position.
	l	FLAT		30 dB
	2	30dB	2	l0
		l0
	3	9	3	9
	4	8	4	8
	5	7
		6

57

6

2			VOLUME
		20	l8	l6	l4
					l2
		24			l0	Set to the loudest listening
		28			8
		34			6	level that you would listen
		40			4	to.
		50			3
		60			2
		70			l
					0
				–dB
3	AX-590				AX-490
						Turn until the desired
					LOUDNESS
	LOUDNESS				l FLAT	volume is gained.
	l	FLAT				30 dB
	2	30dB			2	l0
		l0
	3	9			3	9
	4	8			4	8
	5	7
		6

57

6

9