Yamaha GA24/12 18

18 Rear Panel

GA32/12, GA24/12—Owner’s Manual

LST INSERT I/O jacks

These TRS phone jacks are used to insert an external processor into the ST bus, with nominal

input/output levels of 0 dB. See the ﬁgure below for wiring.

MC-R MONITOR OUT jacks

These unbalanced phone jacks are used to monitor

input signals sent from the PFL bus, AFL bus, and

TAPE IN jacks, with a nominal output level of

+4 dB. See the ﬁgure on the right for wiring.

NTAPE IN jacks

These unbalanced phono jacks are used to connect a line-level

device, with a nominal input level of –10 dBV. See the ﬁgure on the

right for wiring.

OREC OUT jacks

These unbalanced phono jacks output line-level, pre-fader, pre-

insert I/O ST bus signals. See the ﬁgure on the right for wiring.

1/4" phone plug

1/4" phone plug

1/4" TRS phone plug To processor’s input

From processor’s output

Connect to INSERT I/O jack

Tip (send)

Tip (send)

Ring (return)

Sleeve (ground)

Sleeve (ground)

Tip (return)

Sleeve (ground)

1/4" phone plug

Tip (send)

Sleeve (ground)

Phono plug Tip

Sleeve

Phono plug Tip

Sleeve

Contents

Main ii Precautions Specifications ...................................20 Master Section ...................................6 Front Panel......................................... 2 Introduction....................................... 1 Introduction Notes: Features Front Panel Monaural input channels H G F I ON switches Channel fader P PFL (Pre-fader Listen) switch Stereo input channels H G F I J K L M Master Section Variable/Fix select section A When FIX is on: When FIX is off: A B C D E 8 Signal ow in the Variable/Fix select section and Mix section ST (Stereo) section A B C D AUX RETURN section A B C 5 MATRIX section A These control knobs enable you to adjust the input level of MIX bus 14 post-fader signals. B C C-R MONI (Control room monitor) section PHONES (headphones) section A B C E TAPE IN section A B 14 TALKBACK section A B C D E F METER SELECT section A When the switch is set to PFL-AFL/TAPE ( ) When the switch is set to MATRIX ( ) Meter bridge Rear Panel Tip (send) Connect to INSERT I/O jack From processors output 1/4" phone plug E F G H I 18 L M N O GA Diversity Function What is GA Diversity? Setting the GA Diversity function 1. Press down the M1 switch ( FIX) in the Variable/ Fix select section (see page 6). 2. Press the M1 switch again to set it to ( VARIABLE). Specications General specications Specications are subject to change without prior notice. Input specifications 21 Input specications Output specications 22 Dimensions GA24/12 Unit: mm GA32/12 Block and Level diagram 23 Block and Level diagram