18
U.420 4-Channel Line Mixer
U.
4
20 4-Channel Line Mix
er
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
SLEEVE
TIP
SLEEVE
TIP
RING
RING
TIP
SLEEVE
RING
1/4" TRS Balanced Mono Wiring:
Sleeve = Shield
Tip = Hot (+)
Ring = Cold (–)
Stereo Headphones
SLEEVE
TIP
SLEEVE
TIP
RING
RING
TIP
SLEEVE
RING
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
TIP
TIP
SLEEVE
TIP
SLEEVE
1/4" TS Unbalanced Wiring:
Sleeve = Shield
Tip = Hot (+)
Appendix B: Connections
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.
TIP
SLEEVE
TIP
SLEEVE
RCA Unbalanced Wiring:
Sleeve = Shield
Tip = Hot (+)
8.6 in/
218 mm
8.8 in/
224 mm
3.4 in/
87 mm
WEIGHT
2.5 lb
1.13 kg
Dimensions