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Alesis EC-2 Audio Upgrade for ADAT HD24 The Alesis EC2 96K upgrade allows your existing HD24 to convert and process stunning 24 bit 96K digital audio. The E2 is user installable, and comes with utra high quality converters. When installed, the EC-2 will replace the current converter boards in the HD24 with new boards capable of recording and playing back twelve channels of audio at nominal sample rates of 96kHz and 88.2kHz, as well as 24 channels of audio at standard sample rates of 44.1kHz and 48kHz. The EC-2 is an optional 96kHz sampling rate analog hardware upgrade designed exclusively for the Alesis ADAT HD24. It provides 24 simultaneous channels of balanced +4 dBu analog audio inputs and outputs via 48 1/4" TRS type jacks. The EC-2 is installed directly inside the HD24's rear panel, in place of the original A/D and D/A boards, for simple system integration and flexibility. With the EC-2 installed, the HD24 can record and play back digital audio at the 96kHz or 88.2 kHz sampling rates (in addition to the standard 44.1 and 48 kHz rates) via its analog inputs and outputs. In high sample rate mode, the HD24 can record and play back up to 12 tracks at a time. 24 channels of High Performance 24-bit 24 channels of simultaneous input and output on 1/4" TRS jacks. Superior DACs and ADCs allow the EC-2 to considerably surpass the standard converter boards in THD+N and dynamic range. Support for Sample Rates up to 96kHz. EC-2 boards allow you to use analog inputs and outputs at 88.2kHz and 96kHz nominal sample rates. Simple hookup and operation. The EC-2 is designed to install in the rear panel of the HD24 and connects to the main circuit board with the included multi-pin ribbon connectors. Once connected, the HD24 will detect the cards' presence, and allow you to select analog inputs as the source when using the 88.2kHz and 96kHz sample rates.
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