Yamaha GQ1031 GQ1031 Owners Manual Image - Page 5

O

Equalization

Controls

These

are

the

actual

equalization

controls.

31

bands

of

equalization

are

provided

at

standard

ISO

1/3

-

octave

frequencies:

20, 25,

31.5,

40,

50,

63,

80,

100, 125, 160,

200,

250,

315,

400,

500,

630,

800,

1k,

1.25k,

1.6k,

2k,

2.5k,

3.15k,

4k,

5k,

6.3k,

8k,

10k,

12.5k,

16k,

and

20

kHz.

Each

band

can

be

boosted

or

cut

by

up

to

12

dB.

"Boosting"

a

band

by

moving

its

control

toward

the

"+"

end

of

the

scale

increases

the

level

of

the

selected

frequency

band,

while

"cutting"

or

"attenuating"

a

band

by

moving

its

control

toward

the

"—"

end

of

the

scale

decreases

the

level

of

the

selected

frequency

band.

Boost

12

2

Cu

20

50

100

200

500

Ik

2k

5k

10k

201t

FREQUENCY

(Hz)

•

INPUT

Connectors

Both

a

standard

mono

1/4"

phone

jack

and

RCA

pin

jack

are

provided.

These

connectors

are

internally

paralleled,

and

present

a

load

impedance

of

22

k

-ohms

to

the

input

signal.

(I)

OUTPUT

Connectors

Both

a

standard

mono

1/4"

phone

jack

and

RCA

pin

jack

are

provided.

These

connectors

are

internally

paralleled,

and

have

r

k,

a

source

impedance

of

1

k

-ohms.

4

Yamaha GQ1031 GQ1031 Owners Manual Image - Page 5

Boost, FREQUENCY

Page 5 highlights