ISA 428 MkII .: Focusrite Answerbase

What has changed from the ISA 428 to the ISA 428 MkII?
The analogue circuit board used in the ISA428 MkII is exactly the same board used in the original. Here is a summary of the changes made to the ISA428 MkII: • Analogue ‘moving coil’ peak...
2010-07-22 Views: 3659

How are the LED meters calibrated?
The 6 LED meter on the front of the unit is calibrated 0dBFS = +22dBu (the maximum level which can be correctly converted by the optional internal A/D converter before overload occurs). The meter...
2010-07-21 Views: 1246

What is the Input Impedance of the ISA 428 MkII?
Line Input: 10kΩ Inst Input: >1MΩ Mic Input: Pressing the Z In switch steps through each of the four transformer pre-amp input impedance values, as indicated by the corresponding...
2010-07-21 Views: 1957

ISA 428 MkII Digital Card
For articles relating to the ISA 428 MkII Digital Card, please see here.
2010-07-21 Views: 2249

Can the ISA 428 MkII be used in countries with different power supplies?
Yes, the ISA 428 MkII uses a switched-mode power supply which allows it to automatically adapt to varying supply voltages. The ISA 428 MkII has an IEC power connector and can work at the following...
2010-07-22 Views: 1666

ISA 428 MkII

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