LD Systems ZONE 624


19" 4-Zone Mixer 3U

แบรนด์ : LD Systems


LD Systems ZONE 624 4-Zone Mixer

The ZONE 624 is a fully-equipped zone mixer with 6 line and 2 microphone channels, that can be assigned to a stereo or a mono master output. The compact 3U rack device also has inputs for an external emergency announcement system and remote- controlled switching mute. Due to its extensive connectivity the ZONE 624 is the extremely flexible control centre solution for PA systems in food outlets, clubs, hotels, fitness centres, and many other areas.

The two balanced microphone inputs have a shared 3-band EQ, 12V phantom power and Talkover functions; the Talkover attenuation can be individually set for all zone outputs on the back of the unit. The 6 stereo input channels of the ZONE 624 are equipped with gain control, signal and peak LEDs, 45 mm faders, Cue buttons and RCA connections; channel 6, in addition with balanced TRS inputs for FOH signals. The device also has a switchable Aux input via 3.5mm mini jack and a USB port, that is used as a stereo input and output (recording out) and turns the ZONE 624 into an external audio interface.

The master section outputs are electronically balanced and use XLR connectors and terminal block connectors. The stereo zone also has unbalanced RCA connectors. The maximum output level for all of the zones can be individually set. The three mono outputs of the ZONE 624 each have a 2-band EQ, a selectable 100 Hz high pass filter, and a MIC mute switch with a level indicator; the inputs 1-6 or the stereo master signal can be selected as a source. The stereo output is equipped with a 3-band EQ, a control for the Talkover sensitivity and two LED chain level meters. Furthermore, the ZONE 624 has a recording output and a controllable PFL headphone jack for previewing.



Product typeMixers
Number of Zones4 (Master, Zone A-C)
Installation Height3 U
Total Input Channels8 (2x Mic, 1x AUX/Line, 2x Phono/Line, 2x Line, 1x FOH/Line
Frequency response20 - 40000
Microphone channels2 (with phantom power 12 V)
Microphone Channel Connections6.3 mm stereo jack (2 x balanced), XLR
Microphone channel controls1 x EQ Hi, 1 x EQ Low, 1 x Talkover, 1x EQ Mid, 2 x gain, 2x On/Off
Microphone Channels Display ElementsOn-LED
Microphone Channels Input Impedance4 kOhm
Microphone Channels Input Sensitivity4.5 mV
Microphone Channels THD0.08 %
Line Channels6 (Input 1: Aux/Line, Input 2 + 5: Line/Phono, Input 3: USB/Line 4: Line, Input 6: Line/FOH
Line input connectorsinput 2, 4 5: 2 x RCA, Input 1: 2 x RCA + 3.5 mm stereo jack, input 3: 2 x RCA + USB, input 6: 4 x RCA + 2 x 6.3 mm jack
Line Channel Controls2x Phono/Line, AUX enable, Cue, FOH On, Gain, level
Line Channel Display ElementsCue-LED, Signal/0 dB-LED
Line Channel Input Impedance(Phono) 50 kOhm, 6 kOhm
Line Channels Input Sensitivity(Phono) 25m V, 2.1 V
Line Channels THD(Phono) 0.05%, 0.02%
input sensitivity AUX/Line3 V
Line outputs5 (Master - Stereo, 3x Zone - Mono, Rec - Stereo)
Output Connectors Master2 x XLR (balanced), RCA (x2), Terminal block
Master ControlsEQ Hi, EQ Low, EQ Mid, level, Max. Level, T/O Damping, T/O Sensitivity
Master Display Elements2 x 10 segment level meter
Master Output Levels(balanced) 24 dBu, (unbalanced) 17 dBu
Zone Output ConnectionsTerminal block, XLR (balanced)
Zone Controls100 Hz High Pass, Cue, EQ Hi, EQ Low, Include Mic, level, Max. Level, Source, T/O Damp
Zone Display Elements5-Segment Level Meter
Zone Output Levels24 (balanced/ unbalanced) dBu
Output Connections Rec2 x RCA
Headphones ouput1
Headphone Out Port6.3 mm TRS
Headphone Output ControlsCue Volume
Headphone Output Voltage(@ 32 Ohm) 2.5 V
Additional Inputs2 (Emergency Input, Output Mute)
Connections Additional InputsTerminal block
Additional Input ControlsLevel Emergency Input
Input Sensitivity Emergency Input5 V
Additional Controlspower switch
Additional Display ElementsPower-LED
Operating voltage220 - 250 V AC, 50 Hz
Mains connectorIEC power connector
Power consumption25 W
FuseT 500 mAL / 250 V
Width485 mm
Height132 mm
Depth210 mm
Weight4,4 kg
Accessories (included)Power cord, terminal blocks



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