Focusrite ISA 428 MkII Mic Pre Amp
Rs.779,000.00
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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