Mackie Onyx 1640i Quick Start Guide - Page 22
Technical Information
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Technical Information Specifications Noise Characteristics: Equivalent Input Noise (EIN), mic input at insert, 150 Ω source impedance, 20 to 20 kHz: 60 dB (max) gain: 40 dB gain: -129 dBu -128 dBu Output Noise Figure (1/4" Main out, all channels assigned to main, Gain knobs at unity, 20 Hz to 20 kHz): Main Mix knob down, channel Level knobs down: -100 dBu (-104 dB SNR, ref +4dBu) Main Mix knob unity, channel Level knobs down: -93 dBu (-97 dB SNR, ref +4 dBu) Main Mix knob unity, channel Level knobs unity: -91 dBu (-95 dB SNR, ref +4 dBu) FireWire Through (Record + Playback) Dynamic Range: 0 dBu mic input, to DAW, routed back to mixer direct to Control Room, all gain stages unity, 20 Hz to 20 kHz: All sample rates: -105 dB Frequency Response: Mic input to main output (all gain stages at unity): +0, -1 dB, 70 dB Maximum Input Levels: Mic input, gain at unity (0 dB): Mic input, gain at max (60 dB): Line input, gain at -20 dB: Instrument input, gain at -20 dB: Tape input: Aux return: +21 dBu -38 dBu +30 dBu +21 dBu +21 dBu +21 dBu Maximum Output Levels: All outputs: +21 dBu Equalization Low: Lo-Mid frequency: Lo-Mid gain: Hi-Mid frequency: Hi-Mid gain: High: ±15 dB at 80 Hz 100 Hz to 2 kHz ±15 dB 400 Hz to 8 kHz ±15 dB ±15 dB at 12 kHz FireWire Sample Rates Available: Buffer Size: Resolution: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz 32 (44.1 kHz and 48 kHz only), 64, 128, 256, 512, 1024, 2048 samples 24-bit Meters 4-segment pre-fader channel meters: OL (+18 dBu), +10, 0, -20 dBu 12-segment pre-fader Control Room meters: OL (+20 dBu), +15, +10, +6, +3, 0, -2, -4, -7, -10, -20, -30 (0 dB = 0 dBu) 22 Onyx 1640i