Focusrite ISA828 Preamp

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are complemented by eight line inputs, eight line outputs and an optional eight channel 192kHz ADC boasting the widest dynamic range of any converter to date. Thanks to its convenient 25 pin D Type connectors, the ISA828 also integrates quickly and seamlessly with ProTools HD, as well as other popular hard disc recorders and mixing desks. The microphone input stage additionally includes a variable impedance circuit, allowing the user to switch between four carefully selected input impedance settings. The original ISA110 setting is supplemented by three further impedance settings to either perfectly match the pre amp with any microphone, thus maximizing level, or to use different settings creatively to shape the sound of the microphone being used. The four front panel instrument inputs also feature high and low impedance options to provide a comprehensive and accessible DI solution. Insert switches are also featured on every channel, should the need arise to place extra processing between the pre amp and converter. Vintage design 75 Hz 18dB per octave high pass filters are also provided on every channel, ensuring unwanted low frequencies are effectively eliminated. The ISA828s new optional eight channel 192kHz ADC is the first audio ADC to utilise Texas Instruments Burr Brown Pro Audio Amplifiers and Flagship Analog to Digital Converter PCM4220 chips. This cutting edge technology is encompassed within Focusrites own custom analogue circuitry to provide eight channels of
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