Jbl GTH400-20107 User Manual download pdf (Page 12)

11

+

-

+

-

+

-

Buffer

1

2

3

1

2

3

1

2

3

1

2

1

2

1

2

3

1

2

3

1

2

3

1

2

3

CH. 1 L IN

CH. 1 R IN

CH. 2 L IN

CH. 2 R IN

CH. 1 L OUT

CH. 1 R OUT

CH. 2 L OUT

CH. 2 R OUT

IMAGE

ENH.

1

2

3

GROUP 3

INPUT

+

1 – GR 3

2 – GR 2

3 – GR 1+2

1

Speaker

Crossover

1 – Flat

2 – Low Pass

3 – High Pass

Preamp

Crossover

1 – Flat

2 – Low Pass

3 – High Pass

GR 3

Input Mode

∑

+

GR 1

GR 2

GR 3

L

R

Buffer

GR 1

GR 2

L

R

LP

HP

GR 1 L

PREOUT

X-OVER

GR 1 MODE SWITCH

GR 2 MODE SWITCH

1

2

3

1

2

3

LP

HP

GR 1 R

PREOUT

X-OVER

1

3

2

1

2

3

LP

HP

GR 2 L

PREOUT

X-OVER

1

3

2

1

2

3

LP

HP

GR 2 R

PREOUT

X-OVER

1

3

2

1

2

3

LP

HP

GR 3 L

PREOUT

X-OVER

1

3

2

1

2

3

LP

HP

GR 3 R

PREOUT

GR 3 Left Speaker Out

GR 3 Right Speaker Out

X-OVER

1

3

2

1

3

2

1

3

2

1

3

2

BASS BOOST

AMP

GR 2 Left Speaker Out

GR 2 Right Speaker Out

BASS BOOST

AMP

1

3

2

1

3

2

GR 1 Left Speaker Out

GR 1 Right Speaker Out

BASS BOOST

AMP

❶

❷

GTH400 Block Diagram

∑

Mode

1 – L

2 – Stereo

3 – L+R

❸

GROUP 2

INPUT

1 – GR 1

2 – GR 2

❸

Buffer

Speaker-level

inputs

Preamp-level inputs

+

-

Buffer

+

GTH400-20107 06/03/98 15:49 Side 11

Jbl GTH400-20107 User Manual Page 12

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Jbl GTH400-20107 User Manual Page 12

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