ALK-6883
  • Karaoke Pre-amplifier
Introduction
▶Build-in professional stereo dual-channel reverb and DSP

▶Unique boot lock and menu lock

▶Main volume can be set and limited based on the preference of the user, supports volume auto-saving.

▶Provides XLR balanced and RCA unbalanced output interfaces

▶Audio inputs can be switched automatically or manually

▶Adopts module design, providing high stability and excellent SNR

▶Includes 8 preset effects and 8 user customized effects, all supports auto-saving 

▶Microphones have two 4 band PEQs with mid-frequency sweep, and music has one 3 band PEQs with mid-frequency sweep.

▶BBE audio optimization

▶35-250Hz Crossover frequency adjustment on low-frequency channel, volume can be set independently.

▶Auto-save all customized settings 

▶Optional auto feedback and howling suppression fucntion

▶Backed by professional DSP digital processing chips and advanced LCD display technology, the ALK-6883 model provides powerful and flexible digital customization and control functions with user-friendly UI.

▶6 Output channels, including 2 MIX main output channels, 2 REAR output channels, 1 CENTER output channel and 1 SUBWOOFER output channel.
Specification

Channels

Left, Right, Center, Subwoofer 

SNRdB

90 90 88 87

Distortion%

0.01 0.01 0.02 0.03

Nominal Input LevelV

0.775 0.775

Nominal Output LevelV

0.8 0.8 0.775 0.8

Maximum Input LevelV

3.5 3.5

Maximum Output LevelV

4.2 4.2 4.2 4.5

Gain Difference Between Left and Right Channels(dB)

< 0.1dB

Stereo IsolationdB

75dB

Input ImpedanceΩ

47k(Unbalanced )

Output ImpedanceΩ

300(Balanced )1K(Unbalanced )

Frequency Response 

10Hz-30kHz

Tone Adjustment Range 

80Hz(±15Db).12kHz(±15Db)

Control 

Remote/Wired control 

 

 

Microphone:

 

Sensitivity 

25mV

SNRdB

87dB

Distortion%

0.03%

Frequency Response 

20Hz-20kHz

Tone Adjustment Range 

80Hz(±15Db),12KHz(±10dB)

Squelch threshold

Threshold voltage: 3Mv
Duration: 5S

Other Specifications:

 

Power Supply

AC200-240V/50-60Hz

Power Consumption 

25W

Dimensions 

482*160*66()

Package Dimensions 

520*210*115()

Weight 

3Kg

Package Weight 

3.2Kg



 

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