Appendix B: Connections

Operation

1/4" TRS Phone Plugs and Jacks

“TRS” stands for Tip-Ring-Sleeve, the three connection points available on a stereo 1/4" or balanced phone jack or plug. TRS jacks and plugs are used for balanced signals and stereo headphones:

Balanced Mono

RING SLEEVE

SLEEVE RING TIP

TIP

 

 

RING

 

TIP

 

SLEEVE

1/4" TRS Balanced Mono Wiring:

Sleeve = Shield

Tip = Hot (+)

Ring = Cold (–)

Stereo Headphones

RING SLEEVE

SLEEVE RING TIP

TIP

RING

TIP

SLEEVE

1/4" TRS Stereo Unbalanced Wiring:

Sleeve = Shield

Tip = Left

Ring = Right

1/4" TS Phone Plugs and Jacks

“TS” stands for Tip-Sleeve, the two connection points available on a mono 1/4" phone jack or plug. They are used for unbalanced signals.

SLEEVE

SLEEVE TIP

TIP

TIP

SLEEVE

1/4" TS Unbalanced Wiring:

Sleeve = Shield

Tip = Hot (+)

RCA Plugs and Jacks

RCA-type plugs (also known as phono plugs) and jacks are often used in home stereo and video equipment and in many other applications. They are unbalanced and electrically equivalent to a 1/4" TS phone plug.

SLEEVE TIP SLEEVE TIP

RCA Unbalanced Wiring:

Sleeve = Shield

Tip = Hot (+)

Footswitch Plug and Jack

Guide

The TALKBACK FOOTSWITCH jack accepts a 1/4" TS plug. Shorting the tip and sleeve together activates the talkback circuit. This is equivalent to pressing the TO 2-TRACKS and TO PHONES/STU- DIO buttons in the TALKBACK section.

SLEEVE

SLEEVE TIP

TIP

TIP

SLEEVE

Handheld Switch

Operation Guide

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