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Focusrite ISA 428 MkII 4-channel Microphone Preamp
ISA 428 MkII incorporates four of Focusrite's renowned mic pres in a simple-to-operate 2U enclosure, placing four mic preamps, instrument inputs and line ins at your fingertips. The original Focusrite mic pre was designed to suit the microphones of the time; today's model makes one small change, adding three additional input impedances to the classic ISA 110 setting, allowing you to match any microphone, old or new, and access a wide range of sounds, from the character and warmth of a vintage mic to the clear transparency of a modern design.
Fratures:
- 4 classic transformer-based preamps
- Switchable impedance for unparalleled mic matching or extended mic creativity
- Includes the classic ISA 110 setting
- Multiple direct instrument inputs on the front panel
- Analog insert points on every channel
- Highpass filters on every channel
- Ultra-precise LED metering (dBfs)
- 2U chassis design
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Technical Specification
- Preamp Type: Solid State
- Number of Channels: 4
- Phantom Power: Yes
- Analog Inputs: 4 x XLR (Mic), 4 x 1/4" (Line), 4 x 1/4" (Hi-Z), 4 x 1/4" (Returns), 4 x XLR (Aux)
- Analog Outputs: 4 x XLR, 4 x 1/4" (Sends)
- Digital Outputs: Optional A/D expansion card available (digital DB25, optical)
- Frequency Response: 20Hz-122kHz
- Rack Spaces: 2U
- Height: 3.5"
- Depth: 11"
- Width: 19"
- Weight: 12.2 lbs
- Warranty: 1 year
What Is In The Box
- Focusrite ISA 428 MkII 4-channel Microphone Preamp
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Manufacture Description
Four ISA Series Transformer-Based Preamps
ISA series mic preamps have been the producers' choice on countless hit records over the last two decades.
Eight-Channel Optional A-D Converter
Four additional A-D converter inputs allow eight channels of high quality conversion, with a dynamic range of 122dB and jitter performance below 250 picoseconds.
Selectable Impedance
Ideal for mic matching or extended microphone creativity. Settings include the 'Vintage ISA110' setting, providing the original Focusrite signature sound.
Four Front Panel Instrument Inputs
Instant access on the front panel--no separate DI box required.