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MC3 监听音箱对比切换DI直插盒
应用特点
? 录音棚无源监听对比切换器和耳机放大器
? 可控制二组监听和低音音箱
? 100%无源切换和有源放大
? 兼容电台检测播出监听
? 可设置电平控制和耳机监听音量
? 180 度相位倒相开关控制
? 军用级黄金触点切换，无失真、无声染色
? 独特书本式设计，保护控制旋钮不受外界撞击的伤害
? 军用级 14 规格钢材焊接制，使电路板不会发生扭转
? 底部防滑垫处理，提供物理机械隔离和电气绝缘

技术参数
? 设备类型：无源信号路径和有源的监听对比切换
? 频率响应：20Hz~20kHz  (+0dB/-1dB)
? 共模抑制比：-51dB@55Hz
? 动态范围：114dB
? 本底噪声：立体声-108dB  低音 -95dBu 耳机-87dBu
? 最大输入：+14dBu
? 总谐波失真：0.001%@1kHz/0dBu 输出
? 互调失真：0.001%@1kHz/0dB 输出
? 输入阻抗：4.4KΩ
? 尺寸：84x127x48mm
? 重量：600g

MC3 Monitor Controller
Passive Studio Monitor Controller
The MC3? monitor controller is a studio tool that enables you to take command of your monitor system, with the ability to quickly select between two sets of powered speakers and adjust signal levels, and additional control for headphones and a subwoofer.
Select between two sets of powered monitors in the studio
Passive straight-wire audio path for transparent audio
Convenient subwoofer control, Mono & Dim switches
Built-in headphone amplifier for silent monitoring
Compact monitor switching
The MC3 handles all of your studio monitor switching needs in a small footprint that easily fits on any desktop. Connect two sets of powered speaker and a subwoofer and easily select any combination, with a large master volume control for setting levels. A Dim switch lets you temporarily lower the speaker level without altering your main volume setting, and a Mono switch provides an easy way to check for phase compatibility. The MC3 features a passive audio circuit for clean and transparent audio, along with an active headphone amp to drive multiple sets of headphones and monitor silently when necessary.

MC3 Specifications
Specifications
Block Diagram
Graphs
Specifications
Audio circuit type: Passive stereo signal path with active sub & HP
Frequency response: DC ~ 20kHz (+0dB/-1dB)
Dynamic range: 114dB
Total harmonic distortion: 0.001% @ 1kHz/0dBu output
Intermodulation Distortion: 0.001% @ 1kHz/0dB output
Input Impedance: 4.4k Ohms balanced / 2.2k Ohms unbalanced
Output Impedance: Varies with level adjustment
Common Mode Rejection Ratio: -51dB @ 55Hz
Noise: Stereo: -108dBu; Sub: -95dBu; Headphone: -87dBu
Maximum Input: +14dBu
Features
Input Connectors: 2 1/4" TRS inputs
Output Connectors: Four 1/4" TRS monitor outputs, Aux and Mono subwoofer outputs, Two 1/4" headphone jacks, 1/8" TRS headphone connector
Extras: Trim level control for DIM, Mon-A, Mon-B and Sub outputs, Variable Dim attenuation up to -72dB
General
Construction: 14-gauge steel chassis & outer shell
Size (L x W x D): 3.3" x 5.0" x 2" (84 x 127 x 48mm)
Weight: 1.32lb (0.6kg)
Shipping size (L x W x D): 4.75" x 2.5" x 10.75" (121 x 64 x 273mm)
Shipping weight: 3lb (1.3kg)
Power: +15VDC/400mA adapter included / 110V
Conditions: For use in dry locations only between 5°C and 40°C
Warranty: Radial 3-year, transferable