Apple Logic Express 9 - Manual (Page 36)

ExpressCard/34
The ExpressCard/34 slot supports both PCIe and USB 2.0 connectivity. ExpressCards
available include audio interfaces, hard disk controller (eSATA) cards, networking, wireless
adapters, and more.
Audio Cabling
The following types of audio cables and connectors are usually used on professional and
consumer audio equipment:
• XLR
• 1/4-inch (6.35 mm) audio
• 1/8-inch (3.5 mm) miniplug
• RCA (Cinch)
• S/PDIF
• AES/EBU
• TOSLINK Optical and ADAT Lightpipe
XLR
XLR cables and connectors are used on professional-quality microphones, monitors, and
other musical equipment. They provide a high-quality, balanced signal at +4 dB level.
XLR connector (balanced)
1/4-inch (6.35 mm) Audio
1/4-inch (6.35 mm) connectors (sometimes called phono or phone plugs) are used on a
wide variety of professional and consumer musical equipment, including musical
instruments and amplifiers, speakers, and external effects devices. They can be either
balanced or unbalanced. Some devices require Tip-Ring-Sleeve (TRS) connectors. These
three-contact connectors are used for balanced mono signals and unbalanced stereo
signals.
1/4-inch Tip-Ring Sleeve (TRS) connector
1/4-inch Tip-Sleeve (TS) connector
36 Chapter 2 Setting Up Your System