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APP1811 Interactive Recording Audio Processor

Interactive Recording Audio Processor

APP1811

Centralized audio capture and DSP processing for recording and interactive teaching workflows.

Product Overview

Clear, dependable audio for professional spaces

Centralized audio capture and DSP processing for recording and interactive teaching workflows.

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 supplyAC 220 V / 50 Hz
Microphone input impedance8 kΩ
MUSIC / LINE input impedance20 kΩ each
Balanced / LINE / REC output impedance200 Ω each
Input sensitivity-32 dB to -56 dB
Power consumption30 W
Ceiling microphone inputs10 inputs with 48 V phantom power on Phoenix-type terminals; source also labels these XRL
Wireless microphone inputs2 dedicated Phoenix-type terminal inputs with signal priority
Mixed outputs1 stereo master mix and 1 mix excluding ceiling microphones, on Phoenix-type terminals
Level adjustmentIndependent input/output controls; separate ceiling-microphone, LINE/MUSIC and wireless-microphone front-panel controls
Wireless microphone tone controlHigh, mid and low adjustment
Noise controlActive ambient-noise cancellation with front-panel adjustment
Output-level switchingSeparate high/low selectors for local, recording and mixed outputs
GroundingGround selection switch
ProtectionAutomatic limiting and power-on/off delay management
Noise-cancellation module frequency response5 Hz–40 kHz
Noise-cancellation module bandwidth0.35 Hz–170 kHz
Noise-cancellation module maximum level+22 dBu
Noise-cancellation module dynamic range114 dB
Noise-cancellation module CMRR>45 dB
Noise-cancellation setupAdaptive, one-button operation
Noise-cancellation threshold-60 to +15 dBu
Noise-cancellation THD+N / intermodulation distortion / noise / noise-gate timingValues not supplied in the source
Ceiling-microphone mixing10-channel automatic mixing and automatic gain control
LINE / MUSIC inputsStereo LINE RCA input; MUSIC connector is written as RA in the source and requires confirmation
Remote / local / recording connectionsSource lists stereo RCA inputs for all three, but later refers to local/recording output switches; directions require confirmation
MonitoringFront-panel 6.35 mm monitoring output with level control
Echo cancellationAdaptive remote-audio echo cancellation with independent front-panel control
Echo-cancellation sampling rate48K as listed by the source
Echo-cancellation frequency response50 Hz–20 kHz
Echo-cancellation tail length512 ms
Echo reduction>65 dB
Line noise reduction18 dB
Example system1 APP1811; 2–8 MC710C ceiling microphones; 1 TPM910T microphone; 1 TPM910A loudspeaker system
View original Chinese specifications
APP1811
整机及各模块参数:
整体功能参数:
1 .供电方式:AC 220V/50Hz;
2 .10路48V幻象供电吊麦信号XRL输入凤凰接口;
3 .10路掉麦自动混音功能;
4 .两路无线麦信号输入凤凰接口;
5 .无线麦信号输入优先功能;
6 .1组立体声LINE信号输入RCA接口;
7 .1组立体声MUSIC信号输入RA接口
8 . 1组立体声远程信号输入RCA接口;
9 . 1组立体声本地信号输入RCA接口;
10 . 1组立体声录音信号输入RCA接口;
11 .1组立体声总混合信号XRL输出凤凰接口;
12 .1路除吊麦外的混合信号XRL输出凤凰接口;
13 .所有输入输出接口均具备独立音量调节功能;
14 .所有吊麦总音量前面板独立可调;
15 .LINE和MUSIC总音量前面板独立可调;
16 .无线麦音量和高、中、低音调前面板独立可调;
17 .前面板具备回声消除独立调节功能;
18 .前面板具备环境噪声消除开关和调节功能;
19 .前面板具备6.35监听输出口和音量调节功能;
20 .本地信号输出高低电平选择开关;
21 .录音输出高低电平选择开关;
22 .混音输出高低电平选择开关;
23 .接地选择开关,防止共地电流干扰;
24 .主动环境噪声消除;
25 .自动适应远端音频回声消除;
26 .吊麦自动增益功能;
27 .自动压限功能,防止过载失真;
28 .开关机自动延时管理功能,保护设备受冲击损坏。
29 .输入阻抗:
麦克风:8KΩ
MUSIC输入:20 KΩ
LINE输入:20 KΩ
30 .输出阻抗:
平衡:200Ω
LINE:200Ω
REC:200Ω
31 .输入灵敏度:-32dB~-56dB
32 .功耗:消耗功率30W
环境噪声消除模块技术参数:
1 .频率效应:5Hz-40kHz
2 .宽带:0.35Hz-170kHz
3 .最大电平:+22dBu
4 .失真+噪声:
5 .互调失真:
6 .噪声:
7 .动态范围:114dB
8 .CMRR:>45dB
9 .门限:-60至+15dBu
10 .噪声门:
11 .调试方式:自适应,一键操作
回声消除模块技术参数:
1 .特有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:512ms
5 .回声消除:>65dB
6 .线路降噪:18dB
7 .调试方式:全自动,即开即用
方案组成:
APP1811互动录播音频处理器 1台
MC710C 吊麦 2-8支
TPM910T三模合一高品质无线教学话筒 1支
TPM910A三模合一无线教学有源音箱 1套
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