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PENTA 721 is a compact 1U digital audio interface designed for stand-alone use in recording studios, radio stations and stages. It comes with eight channel AES/EBU input/output channels, MADI, two IP Audio Ethernet in/outs and an  well as a mini-module slot for ST optical MADI connection or dual SFP MADI optical in/out.

Key features:

• 8 AES/EBU I/O and 1-3 MADI I/O
• Interface for AVID Pro Tools
• IP audio L3 Ethernet I/O powered by Dante
• TCP/IP control via NTP Router Control System and
  Stand alone control applications for PC
  Single or Dual power supply

Signal routing

PENTA 721 include a 1024x1024 multiplexer,enabling all analogue and digital inputs and outputs to be routed in any combination; this enables the unit to also split signals for advanced signal distribution. The multiplexer can be used to establish the static connections of the signal inputs and outputs, and furthermore it incorporates soft switching with a fade down and fade up functionality of the signal level. Soft switching ensures that setting or changing a signal path can be made without any audible click or artefact.

IP Audio powered by Dante

The PENTA 721 IP Audio protocol is based on the robust tried-and-tested Dante™ digital audio network
technology, and will interoperate with products of other brands that comply with Dante. The protocol will provide AVB
support once standardization is fully completed. The Dante and NTP IP Audio formats provide fast, flexible, and
economical audio routing via IP and are compatible with NTP PENTA 720 Modular I/O, NTP PENTA 725 IP Audio router, and other Dante devices. The IP Audio routing provides Low latency, tightly synchronised, transport of uncompressed audio over Gigabit IP Ethernet Layer 3 networks using off the shelf switches, and routers for audio routing via one or more sub-nets. A total of 512 channels can be routed on a 1 Gigabit network, and more if the network capacity is higher.

Control

PENTA 721 are TCP/IP controlled via one or two Ethernet ports. Control and supervision can be made by the NTP RCCore control system, and the operation is done via the NTP VMC control software client applications. A simple dedicated software control application for Windows is available for controlling and setting up PENTA 721 on a unit to unit basis when less advanced operation is required.

The IP Audio routing is for larger systems controlled by the NTP RCCore Router Control System, for easy and simple setting of connections on the Gigabit IP Ethernet. PENTA 721 can also be controlled by the Dante IP Audio routing controller software.