S-4000 Digital Snake Owner’s Manual 39
5—S-4000 System Overview
• Better analog signal quality—By adjusting the input gain so close to the source, the analog signal
travels through less analog cabling before the signal level is optimized. Shorter analog cabling
means less possibility of noise and signal deterioration.
• Better digital signal quality—A/D converters take “snapshots” of the analog audio during the
digital conversion process. By optimizing the signal level before the A/D converter, a much
higher resolution snapshot can be taken—and higher resolution means better signal quality.
• Memory presets add digital mixer features to the analog mixer—One of the big advantages of a
digital mixer is the ability to store and recall frequently used setups. By taking advantage of the
10 memory presets in the S-4000R—or 100 presets using the S-4000 RCS—you can bring some
digital functionality to your analog mixer. (More on the S-4000R in a little bit.)
S-4000H 32x8 FOH Unit
The S-4000H is the front-of-house (FOH) connection interface for the S-4000 System. As such, its I/O
configuration is the opposite of the S-4000S—8 audio inputs and 32 audio outputs.
As it name suggests, the S-4000H FOH Unit’s main application is near the FOH mixing
console. However, the S-4000H can be used anywhere you need to receive stage audio from
the S-4000S—at a monitor console, a multi-channel recording device, a broadcast feed, etc.
Additionally, multiple S-4000H units can be used for split destinations when connected to the
system via an Ethernet switching hub. See Chapter 7 for details.
About the S-4000H’s Audio I/O
The S-4000H’s audio I/O is provided on standard DB-25 connectors. Each connector supports eight
channels of audio.
• One input connector—provides eight channels of balanced line level audio. Each input channel is
equipped with a 24-bit/96 kHz A/D converter.
• Four output connectors—provide eight channels of balanced line level audio per connector. Each
output channel is equipped with a 24-bit/96 kHz D/A converter.
By providing audio on DB-25 connectors, breakout cables can be easily connected for a quick and
clean setup. RSS offers the following optional breakout cables:
• SC-A0805DM—4.5 meter male breakout cable to connect S-4000H outputs to audio destinations
(DB-25 connector to eight male XLR connectors).
• SC-A0805DF—4.5 meter female breakout cable to connect audio sources to S-4000H inputs
(eight female XLR connectors to DB-25 connector).
If desired, you can purchase third-party breakout cables or fabricate your own to suit your requirements.
See Appendix B: Connector Information for information about the S-4000H’s DB-25 connectors.
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