Recording Audio Processing Platform

APP1820

Name: APP1820 Recording Audio Processing Platform
Brand: ARTCK Audio
SKU: APP1820

Legacy model — contact ARTCK for the current recommended replacement.

Legacy model retained for catalogue reference. Contact ARTCK for the current recommended replacement.

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Product Overview

Clear, dependable audio for professional spaces

Legacy model retained for catalogue reference. Contact ARTCK for the current recommended replacement.

Technical Information

Technical specifications

English specifications are provided for review. Missing or conflicting source values are marked in the table; confirm these with ARTCK before specifying the product.

English technical specifications
Power supply	AC 220 V / 50 Hz
Microphone input impedance	8 kΩ
MUSIC / LINE input impedance	20 kΩ each
Balanced / LINE / REC output impedance	200 Ω each
Input sensitivity	-32 dB to -56 dB
Power consumption	30 W
Microphone inputs	10 XLR inputs with independent 48 V phantom-power switching and channel volume control
RCA connections	MUSIC input, LINE input, LINE output and dedicated recording output
Main outputs	2 OUTPUT audio outputs with high/low level selection
Configuration	Optional functional modules
Front-panel adjustment	Microphone master level, RCA input level and OUTPUT adjustment
Monitoring	Front-panel REC monitoring connection
Level management	Automatic level matching and adjustable power-on fade-in/fade-out
Noise control	Active noise cancellation for recording audio
Dimensions	430 × 260 × 65 mm
Noise-cancellation module frequency response	5 Hz–40 kHz
Noise-cancellation module bandwidth	0.35 Hz–170 kHz
Noise-cancellation module maximum level	+22 dBu
Noise-cancellation module dynamic range	114 dB
Noise-cancellation module CMRR	>45 dB
Noise-cancellation setup	Adaptive, one-button operation
Noise-cancellation THD+N	<0.2% at 1 kHz
Noise-cancellation intermodulation distortion	<0.2% SMPTE
Noise-cancellation noise level	<-94 dBu
Noise-cancellation threshold	Source reads -60 to +150 dBu; upper limit requires confirmation
Noise-gate timing	<100 microseconds
Feedback-suppression sampling rate	32 kHz
Feedback-suppression frequency response	125 Hz–20 kHz
Feedback-suppression distortion	<0.1% at 1 kHz
Feedback-suppression signal-to-noise ratio	>90 dB
Feedback-suppression signal delay	<11 ms
Feedback-suppression gain improvement	Up to 16 dB, as stated by the manufacturer
Feedback-suppression CMRR	>25 dB at 50 Hz–20 kHz
Feedback-suppression setup	Fully automatic
Additional processing	Automatic feedback suppression; local/recording noise cancellation; remote echo cancellation
Echo-cancellation algorithm	DSP loop-comparison processing
Echo-cancellation sampling rate	48K as listed by the source
Echo-cancellation frequency response	50 Hz–20 kHz
Echo-cancellation tail length	256 ms
Echo reduction	>65 dB
Line noise reduction	18 dB
Echo-cancellation setup	Fully automatic, ready on power-up

View original Chinese specifications

整机及各模块技术参数：
整体功能参数：
1 .供电方式：AC 220V/50Hz
2 .麦克风幻想48V独立供电
3 .十路卡侬口麦克风输入
4 .每路麦克风独立音量调节
5 .每路麦克风独立供电开关
6 .MUSIC输入RCA口及音量调节
7 .LINE输入RCA口及音量调节
8 .LINE输出RCA口及音量调节
9 .独具录播音频RCA输出口
10 .OUTPUT输出电平高低选择
11 .两路OUTPUT音频输出
12 .功能模块可自由选配
13 .OUTPUT输出音量前置调节
14 .前置麦克风输出音量调节
15 .前置RCA输入音量调节
16 .前置噪声消除功能控制调节
17 .前置REC输出监听接口
18 .自动电平适配调节
19 .开机电平可调淡出淡入
20 .卓越全自动主动防啸叫
21 .录播音频主动噪声消除
22 .本地扩声主动噪声消除
23 .全自动远程回声主动消除
24 .输入阻抗：
麦克风：8KΩ
MUSIC输入：20KΩ
LINE输入：20KΩ
25 .输出阻抗:
平衡：200Ω
LINE：200Ω
REC：200欧姆
26 .输入灵敏度：-32dB~-56dB
27 .功耗：消耗功率30W
28 .尺寸：430mm x 260mm x 65mm
环境噪声消除模块技术参数：
1 .频率响应：5Hz-40kHz
2 .宽带：0.35Hz-170kHz
3 .最大电平：+22dBu
4 .失真+噪声：＜0.2%@1kHz
5 .互调是真：＜0.2%SMPTE
6 .噪声：＜-94dBu
7 .动态范围：114dB
8 .CMRR：＞45dB
9 .门限：-60至+150dBu
10 .噪声门：＜100微秒
11 .调试方式:自适应，一键操作
啸叫消除模块技术参数：
1 .采样率：32kHz
2 .频率相应：125Hz~20kHz
3 .失真：＜0.1%@1kHz
4 .信噪比：＞90dB
5 .信号延迟：＜11ms
6 .增益提升：最大可达16dB
7 .CMRR:＞25dB@50Hz~20kHz
8 .调试方式：全自动零操作
回声消除模块技术参数：
1 .独有DSP回路比较算法，迅速有效消除回声
2 .采样率：48k
3 .频率响应：50Hz~20kHz
4 .回声消除尾音长度：256ms
5 .回声消除：＞65dB
6 .线路降噪：18dB
7 .调试方式：全自动即开即用
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