ZED-428 is excellent for bands, houses of worship, theatres or AV applications. It has a truly professional feature set, which will fit any sound reinforcement application or professional PA hire stock. ZED-428 has configurable USB audio in/out, making it easy to capture stereo recordings, plus 24 mic/line inputs, 2 dual stereo inputs, 4-band EQ with MusiQ, 4 sub-groups, 6 auxiliary sends and a 7×2 matrix.
Features
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- 24 mono channels
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- 2 dual stereo inputs with 4-band EQ
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- Neutrik mic XLR
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- Neutrik 1/4 inch jacks
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- Channel insert
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- Super wide gain ‘DuoPre’ mic line input
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- 4-band EQ with 2 swept mids and in/out switch
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- Illuminated mute
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- Sound image pan
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- Illuminated PFL & peak warning indicator
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- ALPS 100mm faders
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- 6 auxiliary sends (2 pre, 2 post, 2 pre/post)
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- 4 sub groups fed from each channel
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- All inputs with level control
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- 12 bar meters
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- L, R and M main mix outputs
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- 2 matrix sections available; can send output to USB
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- Individual channel 48V phantom power
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- Direct output on every mono channel
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- Peak and signal indication on every channel
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- Configurable USB stereo audio in/out
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- Master level controls on all outputs
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- Easy to use layout – all connections and controls on top surface
Specifications
Mixer
Number of Analog Input Channels | 28 |
Number of Mic Preamps | 24 |
Analog Output Channels | 1 x Stereo Master Output 1 x Mono Master Output 4 x Mono Bus/Subgroup Output 6 x Mono Aux Send Output 2 x Mono Matrix Output 1 x Stereo Tape/Record Output 1 x Stereo Headphone Output |
Faders & Level Adjustment | 3.9″ / 100Â mm Channel Fader |
Meters | Main Meter: 2 x 12-Segment LED Bus Meter: 4-Segment LED Channel Meter: 2-Segment LED |
Signal Processing
Gain/Trim Range | Mic Input: -6 dB to +63 dB Line Input: -10 dB to +26 dB Stereo Input: -∞ to +10 dB Fader: -∞ to +10 dB Return: -∞ to +10 dB Aux: -∞ to +10 dB Matrix: -∞ to +6 dB |
EQ Parameters | Mono Channels: High: ±15 dB at 12 kHz (Shelving) Hi-Mid: ±15 dB at 500 Hz to 15 kHz (Notch/Peak) Lo-Mid: ±15 dB at 35 Hz to 1 kHz (Notch/Peak) Low: ±15 dB at 80 Hz (Shelving) Stereo Channels: High: ±15 dB at 12 kHz (Shelving) Hi-Mid: ±15 dB at 2.5 kHz (Notch/Peak) Lo-Mid: ±15 dB at 250 Hz (Notch/Peak) Low: ±15 dB at 80 Hz (Shelving) Mono Channels: High: ±15 dB at 12 kHz (Shelving) Hi-Mid: ±15 dB at 500 Hz to 15 kHz (Semi-Parametric) Lo-Mid: ±15 dB at 35 Hz to 1 kHz (Semi-Parametric) Low: ±15 dB at 80 Hz (Shelving) Stereo Channels: High: ±15 dB at 12 kHz (Shelving) Hi-Mid: ±15 dB at 2.5 kHz (Notch/Peak) Lo-Mid: ±15 dB at 250 Hz (Notch/Peak) Low: ±15 dB at 80 Hz (Shelving) |
Filters | High-Pass: 100 Hz, 12 dB/Octave |
Solo/Mute | Mute, PFL per Input Channel Mute, Solo-in-Place/AFL per Bus Mute per Master |
Built-In Effects | None |
Digital Audio
Sample Rates | 32 / 44.1 / 48 kHz |
Bit Depth | 16-Bit |
Performance
Headroom | Analog:Â +21 dB USB I/O:Â +14 dB |
Frequency Response | Mic Input to Main Output: 20 Hz to 20 kHz +0.5/-1 dB (30 dB Gain) Line Input to Main Output: 10 Hz to 30 kHz +0.5/-1 dB (Unity Gain) Stereo Input to Main Output: 10 Hz to 30 kHz +0.5/-1 dB |
Max Input Level | Mic Input: +17 dBu Line Input: +30 dBu (Mono) Insert Return: +21 dBu |
Output Level | XLR Main Output: +4 dBu (Nominal) +27 dBu at Max Gain Group Output: +4 dBu (Nominal) +27 dBu at Max Gain Aux Output: -2 dBu (Nominal) +21 dBu at Max Gain Matrix Output: -2 dBu (Nominal) +21 dBu at Max Gain Insert Send: -2 dBu (Nominal) +21 dBu at Max Gain Tape/Record Output: 0 dBu (Nominal) +21 dBu at Max Gain Direct Output: 0 dBu (Nominal) +21 dBu at Max Gain |
EIN | -127 dBu at Max Gain (150-Ohm Input) |
Noise Floor | Main Output: -89 dB (24 Channels Routed, Ref +4 dBu, 22 Hz to 22 kHz) -85 dBu (24 Channels Routed, Ref +4 dBu, 22 Hz to 22 kHz) |
THD+N | Mic Input to Main Output: 0.004% at Unity Gain (+10 dBu, 1 kHz) Mic Input to Main Output: 0.014% at +30 dB Gain (1 kHz) Line Input to Main Output: 0.005% at Unity Gain (0 dBu, 1 kHz) Stereo Line Input to Main Output: 0.003% at Unity Gain (+10 dBu, 1 kHz) |
Connectivity
Analog Inputs | 1 x Stereo RCA Coaxial 2-Track Input 1 x XLR 3-Pin Balanced Talkback Input 2 x Stereo RCA Coaxial Unbalanced Aux/Line Input 24 x 1/4″ TRS Unbalanced Channel Insert 4 x 1/4″ TRS Unbalanced Subgroup Insert 2 x 1/4″ TRS Unbalanced Stereo Main Insert 1 x 1/4″ TRS Unbalanced Main Insert 24 x XLR 3-Pin Balanced Mic Input 24 x 1/4″ TRS Balanced/Unbalanced Line Input 4 x 1/4″ TRS Balanced/Unbalanced Line Input (2 Stereo Pairs) |
Analog Outputs | 1 x 1/4″ TRS Headphone Output 1 x 1/8″ / 3.5 mm TRS Headphone Output 1 x Stereo RCA Coaxial Unbalanced 2-Track Output 24 x 1/4″ TRS Balanced Direct Output 3 x XLR 3-Pin Balanced Main Output 4 x 1/4″ TRS Balanced Subgroup Output 2 x 1/4″ TRS Balanced Matrix Output 6 x 1/4″ TRS Balanced Mono Aux Send |
Phantom Power | +48 V (Selectable on Individual Inputs) |
USB | 1 x USB-B 1.1() |
USB I/O Capacity | 2 x Input / 2 x Output |
Power
AC Input Power | 100 to 240 VAC, 50 / 60 Hz |
Power Consumption | 60 W (Maximum) |
Physical
Rack Mountable | No |
Dimensions | 36.6 x 5.1 x 22.1″ / 93 x 12.9 x 56Â cm |
Weight | 40Â lb / 18.1Â kg |
Packaging Info
Package Weight | 62 lb |
Box Dimensions (LxWxH) | 42 x 22 x 10.8″ |
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