LD Systems ZONE 624, 4-alue mikseri

LD Systems ZONE 624, 4-alue mikseri

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LD Systems ZONE 624 4-Zone Mixer

ZONE 642 mikserillä voit hallita neljän eri tilan musiikin ja äänenvoimakkuuden.

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 type


Number of Zones
4 (Master, Zone A-C)


Installation Height
3 U

Total Input Channels
8 (2x Mic, 1x AUX/Line, 2x Phono/Line, 2x Line, 1x FOH/Line

Frequency response
20 – 40000 Hz

Microphone channels
2 (with phantom power 12 V)

Microphone Channel Connections
6.3 mm stereo jack (2 x balanced) , XLR

Microphone channel controls
1 x EQ Hi , 1 x EQ Low , 1 x Talkover , 1x EQ Mid , 2 x gain , 2x On/Off

Microphone Channels Display Elements

Microphone Channels Input Impedance
4 kOhm

Microphone Channels Input Sensitivity
4.5 mV

Microphone Channels THD
0.08 %

Line Channels
6 (Input 1: Aux/Line, Input 2 + 5: Line/Phono, Input 3: USB/Line 4: Line, Input 6: Line/FOH

Line input connectors
input 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 Controls
2x Phono/Line , AUX enable , Cue , FOH On , Gain , level

Line Channel Display Elements
Cue-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/Line
3 V

Line outputs
5 (Master – Stereo, 3x Zone – Mono, Rec – Stereo)

Output Connectors Master
2 x XLR (balanced) , RCA (x2) , terminal block

Master Controls
EQ Hi , EQ Low , EQ Mid , level , Max. Level , T/O Damping , T/O Sensitivity

Master Display Elements
2 x 10 segment level meter

Master Output Levels
(balanced) 24 dBu , (unbalanced) 17 dBu

Zone Output Connections
terminal block , XLR (balanced)

Zone Controls
100 Hz High Pass , Cue , EQ Hi , EQ Low , Include Mic , level , Max. Level , Source , T/O Damp

Zone Display Elements
5-Segment Level Meter

Zone Output Levels
24 (balanced/ unbalanced) dBu

Output Connections Rec
2 x RCA

Headphones ouput

Headphone Out Port
6.3 mm TRS

Headphone Output Controls
Cue Volume

Headphone Output Voltage
(@ 32 Ohm) 2.5 V

Additional Inputs
2 (Emergency Input, Output Mute)

Connections Additional Inputs
terminal block

Additional Input Controls
Level Emergency Input

Input Sensitivity Emergency Input
5 V

Additional Controls
power switch

Additional Display Elements

Operating voltage
220 – 250 V AC, 50 Hz

Mains connector
IEC power connector

Power consumption
25 W

T 500 mAL / 250 V

485 mm

132 mm

210 mm

4,4 kg

Accessories (included)
Power cord , terminal blocks



Paino 4,3 kg (kilogramma)


LD Systems

About LD Systems

Pro Audio in Motion

Designed in Germany, heard around the world!

Within just a decade LD Systems® has become a major pro audio brand with an extensive range of product lines. The expert LD engineering team and highly motivated personnel are continuously engaged in creating advanced, state-of-the-art audio equipment that provides superior sonic performance and exceptional value. Designed in Germany, LD Systems® professional audio products deliver world-class sound around the globe.

LD Systems® is a registered brand of the Adam Hall Group with headquarters near Frankfurt am Main, Germany. Established more than 35 years ago, the company has built a solid reputation for quality products, outstanding customer service and being a dependable partner in the pro audio, events and MI industries. The Adam Hall® Group's rigorous standards and dedication to innovation are reflected in each and every LD Systems® pro audio product.

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