Allen & Heath ZED-428 4-Bus Mixer With USB - Long & McQuade Music Educator Site
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Allen & Heath ZED-428 4-Bus Mixer with USB

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SKU: # 286367
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ZED-428

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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 72 matrix.

USB Audio Flexibility
Getting audio to and from a computer easily is now a common requirement for live sound and music production. The way this has been implemented on ZED is super-flexible and super-easy! No longer do you need to fiddle around the back of your PC to get to the soundcard inputs, only to find that the levels are all wrong and noisy. Just plug in a USB lead to your ZED, select the USB routing on the mixer and the device on your computer and that's it! CD quality audio to and from your PC or Mac. Switches and connection through jack socket terminals provide different send/return configurations:
SEND Options
1) Main Mix Left + Right (Post-fade)
2) Main Mix Left + Right (Pre-Fade)
3) Auxes 1-2
4) Auxes 5-6
5) Matrix 1-2.
RETURN Options
1) To Playback input
2) To Stereo 3 channel

MusiQ
ZED-428 has a tuned 4-band EQ taken from the acclaimed GL2200 mixer, utilising MusiQ- with optimised slope (or Q factor) for equalising individual instruments.

DuoPre
Based on the proven pre-amps from the hugely successful PA series, ZED-428 has DuoPre pre-amps, which use a two stage design, with carefully controlled amounts of gain in each stage. When amplifying the signal from the XLR input, the gain range is huge- 69dB of range to be exact- and is very evenly distributed around the gain control, meaning better control of signal level. Most of the gain comes from the first stage, so unwanted noise is kept to a minimum. Line level signals are simply plugged into the second stage of the pre-amp by using the line input jack socket, which has the great advantage of less noise when using the line input and also matching to a higher input impedance.

Features
• Easy to use layout; all connections and controls on top surface
• 24 mono channels
• 2 dual stereo inputs with 4-band EQ
• Neutrik mic XLR
• Super wide gain 'DuoPre' mic line input
• 4-band EQ with 2 swept mids and in/out switch
• Illuminated PFL & peak warning indicator
• ALPS 100mm faders
• 6 auxiliary sends (2 pre, 2 post, 2 pre/post)
• 4 sub groups fed from each channel
• All inputs with level control
• Master level controls on all outputs
• 12 bar meters
• L, R and M main mix outputs
• 2 matrix sections available; can send output to USB
• Individual channel 48V phantom power
• Direct output on every mono channel
• Peak and signal indication on every channel
• Configurable USB stereo audio in/out

Specifications
Operating Levels
Inputs
Mono channel (XLR) Input: +6 to 63dBu for nominal (+17dBu in max)
Mono channel Line Input (Jack socket): +10 to 26dBu (+30dBu maximum)
Insert point (TRS Jack socket): 0dBu nominal +21dBu maximum
Stereo Input (Jack sockets): 0dBu nominal (control = Off to +10dB)
Stereo input (phono sockets): 0dBu nominal (control = Off to +10dB)
2 Track Input (phono sockets): 0dBu nominal +21dBu maximum
Outputs
L, R & Mono Outputs (XLR): +4dBu nominal. +27dBu maximum.
L, R & M Insert (TRS Jack socket): -2dBu nominal +21dBu maximum
Group Outputs (Jack sockets): +4dBu nominal. +27dBu maximum.
Group Insert (TRS Jack socket): -2dBu nominal +21dBu maximum
Aux Outputs (Jack sockets): -2dBu nominal +21dBu maximum (Bal Option +4)
Matrix Outputs (TRS Jack socket): -2dBu nominal. +21dBu maximum. (Bal Option +4)
2 Track Output (phono sockets): 0dBu nominal. +21dBu maximum.
Direct Out (TRS Jack socket): 0dBu nominal. +21dBu maximum.
Headroom
Analogue Headroom from nominal (0Vu): 21dB
USB in & out headroom from nominal (0Vu): 14dB
Frequency Response
Mic in to Mix L/R Out, 30dB gain: +0.5/-1dB 20Hz to 20kHz.
Line in to Mix L/R out 0dB gain: +0.5/-1dB 10Hz to 30kHz
Stereo in to Mix L/R out: +0.5/-1dB 10Hz to 30kHz
THD+n
Mic in to Mix L/R Out, 0dB gain 1kHz +10dBu out: 0.004%
Mic in to Mix L/R Out, 30dB gain 1kHz: 0.014%
Line in to Mix L/R out 0dB gain 0dBu 1kHz: 0.005%
Stereo in to Mix L/R out 0dB gain +10dBu 1kHz: 0.003%
USB Audio CODEC (Coder/Decoder)
USB Audio In/Out: USB 1.1 compliant 16bit.
Sample Rate: 32, 44.1, or 48kHz
Noise
Mix Noise, LR out, 16 channels routed, Ref +4dBu, 22-22kHz: -90dB (-86dBu)
Mix Noise, LR out, 24 channels routed, Ref +4dBu, 22-22kHz: -89dB (-85dBu)
Mix Noise, LR out, 32 channels routed, Ref +4dBu, 22-22kHz: -88dB (-84dBu)
Mic Pre EIN @ max gain 150R input Z 22-22kHz: -127dBu
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Sale Price: $500.00
Store Special Product - Allen & Heath - ZED-428
Model: ZED-428
Serial: 286555
Quantity Available: 1
Condition: Used