We designed this DAC for a special customer that makes High-End Professional outdoor speaker systems.
Individual speaker units are placed all around a theme park spanning hundreds of acres in size. The speaker count can be very high, depending on the size of the attraction. AES3 Digital Audio is used to deliver pristine digital audio to the speakers in "chains". Each speaker "chain" plays the same audio, but has the benefit of being wired for Left or Right channel. This provides 2 "zones" per AES3 signal chain.
Inside each speaker unit is one of these AES DAC's.
The AES DAC is powered from +/-12VDC on a 3-pin terminal strip. This bipolar power supply is what enables the ballanced audio output to swing professional Line Level signals at nominal +4dBm.
AES Input signal is received by a differential line receiver. It is this configuration that makes it possible to run the AES3 signal hundreds of feet on Belden 1696A cable from our AES Splitter.
The PRICOM AES Splitter is also electronically driven (not an AES3 transformer), this combination of AES Splitter feedin the AES DAC makes cable runs of hundreds of feet possible. Normally AES3 signals are transformer ballanced, which reduces the voltage swing possible in the wire. Our increased voltage level on the Belden 1696A cable makes the long runs with 110 Ohm termination run higly reliable at 24Bits/48KHz without using Fiber.
The PRICOM AES DAC is the perfect Board-Level DAC device to integrate into your own product!
Four Output AES3 Signal Splitter and Amplifier
Split and Amplify the AES3 Signal in a PowerSoft Audio LAN
Amplify the AES3 Signal in a PowerSoft Audio LAN