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Focusrite

FOC-ISA428MKII

Focusrite ISA 428 MkII Four Chanel Preamp

The Focusrite ISA 428 mkII is a 4 channel microphone preamplifier with variable input impedance settings and high pass filter’s on each input too. The heritage of the ISA product range from Focusrite, can be attributed to Rupert Neve and Sir George Martin collaborating in 1985, replacing existing preamp modules at AIR studios with ISA110 modules. Key differences found in the mkII model are: Variable impedance settings that can be matched to older or current microphones, and LED metering. The Focusrite ISA 428 mkII also includes front panel DI inputs (four), insert points, line-level inputs, and an optional A-D converter expansion card. 


    • Focusrite ISA 428 mkII PRODUCT FEATURES:

      Four classic mic pres – with a little extra

      Now in its second generation, the ISA 428 Mk II 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 ISA110 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. Or you can experiment and bring out just the qualities you want.

      Front panel instrument inputs

      In addition to the mic inputs, there are four front-panel instrument inputs making the ISA428 Mk II ideal for overdubs in the control room with no need for a DI box. On the back: four line inputs and switchable insert points on each channel to allow routing via external signal processors. There’s also a versatile, vintage design variable high-pass filter to control what’s going on at the bass end. And finally… accurate, 6-LED meters to tell you exactly what’s going down. Optionally available for the ISA428 Mk II is a precision eight-channel A-D converter with 122dB dynamic range and superb jitter performance – ideal for simple interfacing with your DAW.

    • Focusrite ISA 428 MkII TECHNICAL SPECIFICATIONS:

      Analogue Channel Inputs (Inputs 1-4)
      4 instrument 1⁄4” TS jack inputs on front panel 
      4 microphone XLR inputs on rear panel 
      4 line 1⁄4” TRS jacks on rear panel 
      4 insert return 1⁄4” TRS jacks on rear panel
      4 ADC XLR inputs on rear panel

      Analogue Audio Outputs (Outputs 1-4)
      4 line XLR outputs on rear panel 
      4 insert send 1⁄4” TRS jacks on rear panel

      Weight
      5.5kg
      12.2lbs

      Dimensions (W x H x D)
      480mm (W) x 88mm (H) x 280mm (D)
      19" (W) x 3.5" (H) x 11" (D)

      Other I/O
      IEC power input connector 100Vac – 240Vac

Need more info on the ISA 428 mkII? Click HERE for the official Focusrite product listing >>>