详细介绍：
 品牌: 艾伦赫赛 ALLEN&HEATH 型号: GL2800-40
现场调音台
GL2800 不但性能价格比高，且与大型的 GL3800 性能相近，适合应用在场地空间有限的地方。
Learn more about the new GL range at www.glseries.com
GL2800 是紧凑型，双功能，拥有左右信道、主信道、8 编组、10 个辅助、12×4 矩阵的调音台。规格可以从 24 到 56 通道，包含两组立体声通道。
Features
> 24, 32, 40, 48 及 56 通道结构；
> 左右信道/主信道输出；
> 8 个编组和可声像定位及接入到左右信道与主信道；
> 带有电平控制及声像定位的10个辅助通道专用立体声发送通道；
> 分别配备有话筒与立体声输入的 2 个多功能立体声信道；
> 2 个额外的双立体声输入，提供 4 个叠加或独立式立体声返回通道；
> 全功能的 12×4 矩阵；
> 特有双功能，即主扩声与监听调音；
> 可通过通道直接输出进行录音；
> 中央通道能被用作中央/超低、左右叠加、或调音师喇叭监听通道；
> 具有电平微调与共享输入的矩阵外接输入；
> 立体声通道的话筒输入可以用交换跳线接到矩阵以传送背景声音；
> 4 段 EQ、2 段扫变；
> 100Hz 高通滤波器；
> 独立的幻象供电与相位转换开关；
> 广角发光二极管通道及主输出电平表；
> 专用立体声监听电平表；
> 每个通道有灵活而无限制的推子前/后辅助输出选择开关；
> 内部跳线帽，可选 EQ 前/后辅助输出、直接输出与其它选项；
> 所有推子均带有静音；
> 连接到所有输出设备的可分配式内部联络电路，包括一个通话锁定方式的开关；
> 可外接输出式 1kHz 正弦/粉红噪声发生器；
> 录音机可接入到左右信道和监听信道；
> 3 个耳筒及耳塞插座及本地监听输出；
> +26dBu 余量的电子平衡式 XLR 输出电路；
> 74dB 前置放大器可接受高至 +34dBu 的话筒或线路输入电平；
> 超低噪声的前级混合放大器设计；
> 使用高性能的 RPS11 外置线性调整电源；
> 内置备用电源混合器；
> 螺丝母紧固电位器式的电路板分离安装工艺；
> 备有供添加副调音台用的 Sys-Link V2 调音台输入链路；
> 可插 ALLEN & HEATH 4 针 XLR 灯座发光二极管照明灯；
Dual-Function Live Sound Mixer
A brand new dual-function mixer derived from our classic GL Series, the most popular mixers in the world for mid-range mixing applications. One glance at this new design will confirm that all our design experience and knowledge has been distilled into one amazingly capable console.
Uniquely at this level, GL2800 is equipped with 10 auxiliary sends - including a dedicated stereo aux - and using the 12x4 matrix, provides the ideal solution for IEM and stereo recording. 8 audio groups and L,R and M busses are also provided, allowing for full dual functionality with 10 mixes with faders, inserts and XLR drive.
And at the heart of this design is the new gain structure allowing a whopping 34dBu maximum input capability and a new ultra-quiet mix head amp section, delivering excellent audio performance.
Learn more about the new GL range at www.glseries.com
GL2800 is designed for use in any live sound application, including theatres, music venues, houses of worship, festivals, corporate AV, stadiums, etc. With its neat, intuitive layout and straightforward analogue technology, clean audio and high dynamic range, its performance easily rivals that of the best digital consoles.
Features
· 24, 32, 40, 48 and 56 channel frames
· LR and M mix buses
· 8 Audio groups with pan and routing to LR and M
· 10 Auxes including a dedicated stereo send
· 2 multifunction stereo channels each with mic and stereo line inputs
· 2 dual stereos provide an extra 4 summed or independent stereo returns
· Fully featured 12x4 Matrix
· Proper dual functionality for FOH/Monitor mixing
· Recording capable with channel direct outputs
· M can be used for LR mono sum, engineers wedge, or centre/sub mix
· Matrix external inputs with level trims and common input capability
· Stereo channel mic inputs can cross patch into matrix for ambience feed
· Responsive 4 band, 2 sweep EQ
· 100Hz channel high pass filters
· Individual phantom power and polarity switching
· Wide angle channel and master meters
· Dedicated stereo monitor meters
· Per channel pre/post fader aux switching for full flexibility
· Recessed pre/post-EQ aux switching per channel
· `Internal jumper plugs for aux, direct out and other options
· Mutes on all fader masters
· 100mm dust protected faders
· Assignable talkback to all outputs
· 1kHz oscillator / pink noise generator with external output
· 2-track monitoring and replay to LR
· 3 headphones/earpiece sockets and local monitor outputs
· Electronically balanced XLR outputs with +26dBu drive capability
· Preamp 74dB range with +34dBu input capability for mic or line
· Ultra low noise mix head amp design
· Uses external linear power supply
· Built-in combiner for redundant backup supply
· Metal jacks, gold-plated XLRs, sealed pots and switches
· Individual circuit card assembly with nutted pots
· Solid copper bus bar grounding
· Sys-Link V2 console linking option
· 4-pin lamp sockets
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