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Introduction 25
ACU16-C & NHB32-C Owner’s Manual
ENGLISH
3 NHB32-C Network Hub & Bridge
Introduction
The Yamaha NHB32-C Network Hub & Bridge is a CobraNet bridge offering flexible patch-
ing of up to 64 CobraNet audio channels (32 in/32 out) to 64 AES/EBU format inputs and
outputs (32 in/32 out). Up to 99 patch setups can be created, stored, and recalled in Net-
workAmp Manager. Patches can be recalled directly from the NHB32-C’s front panel while
NetworkAmp Manager is offline. Up to eight NHB32-Cs can be used on a single CobraNet
network, providing bridging between 256 CobraNet audio channels and 256 AES/EBU for-
mat inputs and outputs when using unicast distribution. Primary and secondary CobraNet
ports are provided for integration in systems with built-in redundancy.
In addition, the NHB32-C works as an interface for Yamaha’s NetworkAmp Manager soft-
ware, which runs on standard Windows PCs and offers control and monitoring of up to 512
Yamaha PCxxxxN series power amplifiers, up to eight NHB32-Cs, and up to 16 ACU16-Cs.
A PC can be connected directly to the NHB32-C by using either USB or RS-232C. Multiple
units can be managed from a single PC connected to any ACU16-C or NHB32-C on the
CobraNet network.
By utilizing CobraNet’s Serial Bridge feature, MIDI data (Program Change and Control
Change), or AD824 data (head amp control) can be transmitted between any two
NHB32-Cs up to 100 meters when using 100Base-TX cabling, and up to 2 kilometers when
using fiber. Note that the Serial Bridge cannot carry MIDI, AD824, and Amp Control data
simultaneously. Only one can be selected in NetworkAmp Manager. The wordclock source
for the NHB32-C can be a pair of AES/EBU inputs, the BNC WORD CLOCK IN, or the
CobraNet network.
Features
• 100 recallable patch memories
•2-digit, 7-segment LED patch number display
•Select eight CobraNet bundles (64 audio channels) in the range 0–16,383
1
•Individually patch up to 32 AES/EBU ins and outs to 64 CobraNet audio channels
1
•Select 20-bit (8 channels/bundle) or 24-bit (7 channels/bundle)
1
•Primary and secondary CobraNet ports
•Four 25-pin female D-sub connectors for AES/EBU I/O
• AD824, MIDI, or Amp Control over CobraNet’s Serial Bridge
•Selectable wordclock source—AES/EBU, BNC WORD CLOCK IN, or CobraNet network
2
•Wordclock LOCK indicator
•Works as interface for the NetworkAmp Manager software
• USB and RS-232C serial ports for PC connection
•Connect up to 8 NHB32-Cs on a single CobraNet network
• PC/NetworkAmp Manager control via any ACU16-C or NHB32-C on the network
•CobraNet LINK, CONDUCT, and ERROR indicators
1. Set in NetworkAmp Manager.
2. Can be set from the NHB32-C front panel or in NetworkAmp Manager.