Kategorie: Profi- / Musiker-Equipment
Ausstattungsliste: Focusrite ISA 428 MkII
Ausstattung & technische Daten
| Specification | |
| Type | Four channel mic pre and optional A-D |
| Mic Inputs | |
| Frequency response at minimum gain (0dB) | -0.35dB at 20Hz and –3dB at 122kHz |
| Frequency response at maximum gain (60dB) | –2.5dB at 20Hz and –3dB 103kHz |
| Gain range | 0dB to 60dB in 10dB steps, plus 0dB to 20dB continuously variable trim |
| Maximum headroom | 7.4dBu |
| Noise EIN | -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 | 123dB (relative to max output 25dBu) 120dB (relative to 0dBFS ( 22dBu) |
| CMRR | 88dB |
| Input Impedance, variable | 600O, 1400O, 2400O, 6800O |
| Line Inputs | |
| Frequency Response at unity gain (0dB) | -0.3dB at 20Hz and –3dB at 94kHz |
| Gain range | -20dB to 10dB in 10dB steps, plus 0dB to 20dB continuously variable trim |
| Maximum headroom | 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 | -91dBu (measured with a 20Hz/22kHz bandpass filter) |
| SNR | 116dB (relative to max output 25dBu) 113dB (relative to 0dBFS 22dBu). Input Impedance: 10kO |
| Frequency Response at 10dB gain | -0.2dB at 20Hz and 0dB at 200kHz |
| Frequency Response at 40dB gain | -3dB at 20Hz and –3dB at 38.4kHz |
| Instrument Inputs | |
| Gain range | 10dB to 40dB continuously variable |
| Maximum headroom | 11.5dBu |
| Noise at main output with minimum gain ( 10dB) | -95dBu (measured with a 20Hz/22kHz bandpass filter) |
| Input Impedance | >1MO |
| High-Pass Filter | |
| Roll-Off | 18dB per octave 3 pole filter |
| Frequency Range | 16Hz 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/O | IEC power input connector 100Vac – 240Vac |
| Weight and Dimensions | |
| Dimensions | 480mm (W) x 88mm (H) x 280mm (D) |
| Weight | 5.5kg |
