| TVCA Audio Class #1 |
2.
Conducting the Sound |
| Cables
and Connectors |
| Unbalanced
Cable & Connectors |
Unbalanced connections are used in
some places in professional audio equipment.
Unbalanced is also used almost exclusively in consumer equipment.
UNBALANCED CHARACTERISTICS &
ADVANTAGES
- Unbalanced connections are more
susceptible to interference, hum, and crosstalk.
- Unbalanced cable, connectors, and
equipment is cheaper, and common in consumer audio.
UNBALANCED CABLE
- Unbalanced cable has one wire with a
shield around it.
UNBALANCED CONNECTORS
- Unbalanced connectors have just two
pins, signal and ground.
- Some common unbalanced connector types
include:
Phone
(1/4” and Mini)
- Used for
Consumer microphone level
(Beware of high impedance!)
- Used for
musical instruments
- Used for Pro
unbalanced line level
- Variation:
Mini-phone (1/8”) for mic & headphone
|
1/4 inch Phone plug (2-circuit)
Mini-phone plug
|
Phono
(RCA)
- Used for
consumer line level
- Also used for
phono signal
|
 RCA Phono Plug
|
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Connectors
Copyright © 1997 Richard Crowley