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Focusrite ISA 428 MkII Mic Pre Amp
Focusrite ISA 428 MkII Mic Pre Amp

Focusrite ISA 428 MkII Mic Pre Amp

0 reviews
509,000.00 LKR 636,000.00 LKR -20%
Ex Tax: 509,000.00 LKR
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Product Code: ISA 428 MK2
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Tags: ISA 428 MK2

Product Description

Mic inputs
  • Frequency Response At Minimum Gain (0dB) (Mic)-0.35dB at 20Hz and –3dB at 122kHz
  • Frequency Response At Maximum Gain (60dB) (Mic)–2.5dB at 20Hz and –3dB 103kHz
  • Gain Range (Mic)0dB to 60dB in 10dB steps, plus 0dB to 20dB continuously variable trim
  • Maximum Headroom (Mic)7.4dBu
  • Noise EIN (Mic)-126dB (measured at 60dB of gain with 150O termination and 20Hz/22kHz bandpass filter)
  • Noise At Main Output With Unity Gain (Mic)-98dBu (measured with a 20Hz/22kHz bandpass filter)
  • SNR (Mic)123dB (relative to max output 25dBu) 120dB (relative to 0dBFS ( 22dBu)
  • CMRR (Mic)88dB
  • Input Impedance, Variable (Mic)600O, 1400O, 2400O, 6800O
Line inputs
  • Frequency Response At Unity Gain (0dB) (Line)-0.3dB at 20Hz and –3dB at 94kHz
  • Gain Range (Line)-20dB to 10dB in 10dB steps, plus 0dB to 20dB continuously variable trim
  • Maximum Headroom (Line)25.4dBu
  • THD N (Line)0.002 (measured with 4dBu input signal, 0dB gain setting, with a 20Hz/22kHz bandpass filter)
  • Noise At Main Output With Unity Gain (Line)-91dBu (measured with a 20Hz/22kHz bandpass filter)
  • SNR (Line)116dB (relative to max output 25dBu) 113dB (relative to 0dBFS 22dBu). Input Impedance: 10kO
  • Frequency Response At 10dB Gain (Instrument)-0.2dB at 20Hz and 0dB at 200kHz
  • Frequency Response At 40dB Gain (Instrument)-3dB at 20Hz and –3dB at 38.4kHz
Instrument inputs
  • Gain Range (Instrument)10dB to 40dB continuously variable
  • Maximum Headroom (Instrument)11.5dBu
  • Noise At Main Output With Minimum Gain ( 10dB) (Instrument)-95dBu (measured with a 20Hz/22kHz bandpass filter)
  • Input Impedance (Instrument)>1MO
High-pass filter
  • Roll Off18dB per octave 3 pole filter
  • Frequency Range16Hz to 420Hz (continuously variable, measured at the 3dB down point)
Front and rear connectivity
  • Analogue Audio Outputs (Outputs 1-4)4 line XLR outputs on rear panel, 4 insert send 1/4” TRS jacks on rear panel
  • Other I/OIEC power input connector 100Vac – 240Vac

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Focusrite ISA 428 MkII Mic Pre Amp

Focusrite ISA 428 MkII Mic Pre Amp

509,000.00 LKR 636,000.00 LKR