Focusrite ISA 2 Channel A/D Option2-channel analog to digital converter cardUse with Focusrite's ISA One or ISA 430 MKII microphone preampsAES/EBU, S/PDIF Digital OutputsOptical S/PDIF, ADAT Outputs24-bit, up to 96 kHzThe ISA 430's optional A/D is stereo and allows for inputs from internal post-processing and external sources simultaneouslyWith the Stereo A/D card installed, the ISA 430 can be used as a high quality mono/stereo tracking converter, or at mix down as a stereo converterTwo ISA 430s can take full advantage of the one A/D converter, with one ISA 430 acting as the master and the other as the slaveOverviewFocusrite's ISA stereo ADC embodies cutting-edge conversion technology, encompassed within pristine Focusrite circuitry. The ISA stereo ADC is a 2-channel analog to digital converter card designed for use with Focusrite's ISA One or ISA 430 MKII microphone preamps. The ISA stereo ADC provides 2 channels of the highest quality 24-bit conversion at all sample rates up to 192 kHz. Digital output formats include 2 channel single/dual wire AES/EBU or 2 channel S/PDIF, all via a 9 pin D-type connector, as well as optical S/PDIF and ADAT. The ADAT (TO Slink) port is stereo and operates at 24-bit, up to 96 kHz. The card comes as standard with the ISA One Digital and can be retrofitted to an ISA 430 MKII or an ISA One at any time. Established in 1985, Focusrite Audio Engineering Ltd. has evolved from a manufacturer of professional recording consoles to one of the world's most respected producers of professional grade mic preamplifiers and signal processors.
Output formats (All channels)
AES/EBU (5V / 110 ohms), S/PDIF (0.8V / 75 ohms)ADAT lightpipe (SMUX I/II/IV)S/PDIF lightpipeBit depth24 bits
AES3 output jitter<:500ps, 50Hz-100kHz<:400ps, 700Hz-100kHz
Frequency response All ranges: 20Hz–20kHz ± 0.3dB (50Hz–16kHz ± 0.1dB)176.4kHz, 192kHz : 16Hz–55kHz ± 0.5dB
THD+n –117.5dB A-weighted, audio band-limited, 1kHz, -60dB FS inputMaximum 0.004% at –1dB FS (1kHz)Minimum 0.0008% at –13dB FS (1kHz)
Idle channel noise113.5dB at 44.1kHz, CCIR-weighted, full bandwidth
Crosstalk –109dB at 12kHz
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Model:ISA 2 Channel A/D Card