Yamaha Yamaha Mixing Consol ST OUT, MONO/C OUT jacks, Monitor OUT jacks, SUB in Matrix jacks

Rear panel

E ST OUT, MONO/C OUT jacks

These are XLR-3-32 output jacks (balanced) that out- put the signal of the stereo/monaural master section. Nominal output level of each jack is +4 dB. The pin wiring is as follows.

Female XLR plug	2 (hot)
		3 (cold)

1 (ground)

F MONITOR OUT jacks

These are XLR-3-32 output jacks (balanced) that out- put the signal of the stereo/monaural master section, or the monitor source that is selected by the control panel. Nominal output level of each jack is +4 dB. The pin wiring is as follows.

Female XLR plug	2 (hot)
		3 (cold)

1 (ground)

Note: When outputting the monitor source selected by the control panel, only the MONITOR OUT L/R jacks are used.

G SUB IN MATRIX jacks

These are 1/4" phone jacks (unbalanced) for mixing a line level signal from an external device into the MATRIX bus. Nominal input level is +4 dB. The pin wiring is as follows.

Tip (send)

1/4" phone plug

Sleeve (ground)

HSUB IN ST L/R, MONO/C jack

These are 1/4" phone jacks (unbalanced) for mixing a line level signal from an external device into the STE- REO bus L/R and MONO/C bus respectively. Nomi- nal input level is +4 dB. The pin wiring is as follows.

Tip (send)

1/4" phone plug

Sleeve (ground)

IINSERT I/O G1/A7–G8/A14 jacks

These are TRS phone jacks for inserting an external effect processor into each output channel of the G1/ A7–G8/A14 section. Nominal input level is 0 dB. The pin wiring is as follows.

	1/4"	phone plug	Tip (send)
Tip (send)
Ring (return)	To processor’s input
1/4" TRS phone plug			Sleeve (ground)
Sleeve (ground)	1/4"	phone plug	Tip (return)

Connect to INSERT I/O jack

From processor’s output

Sleeve (ground)

J INSERT I/O AUX jacks

These are TRS phone jacks for inserting an external effect processor into each output channel of the AUX 1–6 section. Nominal input level is 0 dB. The pin wir- ing is as follows.

	1/4"	phone plug	Tip (send)
Tip (send)
Ring (return)	To processor’s input
1/4" TRS phone plug			Sleeve (ground)
Sleeve (ground)	1/4"	phone plug	Tip (return)

Connect to INSERT I/O jack

From processor’s output

Sleeve (ground)

KINSERT I/O ST L/R, MONO jacks

These are TRS phone jacks for inserting an external effect processor into each output channel of the ste- reo/monaural master section. Nominal input level is 0 dB. The pin wiring is as follows.

	1/4"	phone plug	Tip (send)
Tip (send)
Ring (return)	To processor’s input
1/4" TRS phone plug			Sleeve (ground)
Sleeve (ground)	1/4"	phone plug	Tip (return)

Connect to INSERT I/O jack

From processor’s output

Sleeve (ground)

28 M2500—Owner’s Manual