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Gold Digger 四进一出话筒前置放大、切换DI直插盒
应用特点
? 4 通道输入、单通道输出话筒对比切换器
? 无失真、无声音染色直接路径
? 现场可快速比较 4 个不同话筒音色和处理质量
? 军用级黄金触点切换，保证自然的信号路径
? 内置 48V 幻象供电，并带 LED 电平指示灯
? 可独立调整话筒输入信号电平
? 4 通道平衡式话筒信号输入和单通道平衡式话筒信号输出
? 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：无源信号跳线，有源信号切换
? 频率响应：10Hzto100kHz+/-0.0dB
? 动态范围：>140dB
? 信噪比：-115dBu
? 剩余噪声：-140dB
? 总谐波失真：0.0003%
? 相位偏差：<0.001
? 互调失真：0.001%
? 输入阻抗：600Ω
? 共模抑制比：92dB@55Hz
? 增益：0.0dB–Unitygaindevice
? 尺寸：121x64x147mm
? 重量：1.3Kg
Gold Digger 4-Channel Mic Selector
Studio Microphone Selector and Switcher
The Gold Digger? is a 4-input, 1-output switcher that allows you to seamlessly audition multiple microphones through a single preamp, improving studio efficiency and workflow without altering the tone of each microphone or requiring down time to re-patch any cables.
Audition different microphones with the press of a button
Four selectable inputs with trim controls
Straight-wire distortion-free signal path
Saves time and improves workflow in the studio
Choose the right mic every time
The Gold Digger allows you to record with confidence knowing that you've selected the right tool for the job each and every time you record. It provides the ability to instantly A/B between up to four microphones, without introducing any coloration, noise, or distortion. Individual set & forget trim controls let you adjust each mic level so that they produce the same relative output, and 48V phantom is available to power condenser microphones. The Gold Digger makes it easy to audition multiple options while maintaining studio efficiency and ensuring a smooth workflow. When paired with the Radial Cherry Picker? you can choose between four microphones and four preamps in any combination, giving you the freedom to explore endless sonic possibilities.
Gold Digger Specifications
The Gold Digger is a switching device that is void any form of buffering while employing the absolute minimal number of passive components in the audio signal path. The result is exceptionally linear performance at all frequencies, phase and distortion measurements that are below our test equipment capabilities and a resulting signal-to-noise that exceeds 140dB. This confirms the claimed ‘straight wire’ performance and gives complete assurance that the Gold Digger will not add not color, distortion or introduce artefact into the signal path.
Specifications
Block Diagram
Graphs
Specifications
Audio circuit type: Passive signal path with active relay switching
Frequency response: 10Hz to 100kHz +/- 0.0dB
Dynamic range: >140dB
Gain: 0.0dB – Unity gain device
Total harmonic distortion: 0.0003%
Intermodulation Distortion: 0.001%
Phase Deviation: < 0.001 Degrees at all frequencies
Input Impedance: 600 Ohms (typical)
Common Mode Rejection Ratio: -92dBu @ 55Hz
Equivalent Input Noise: -115dBu
Noise: -140dB
Maximum Input: +26dBu
Maximum Output: +26dBu
Features
Level Control, Phantom Power
Input Connectors: 4x XLR
Output Connectors: XLR
General
Construction: 14 gauge steel chassis & outer shell
Size (L x W x D): 4.5" x 2" x 6" (121 x 64 x 147mm)
Weight: 2.8 lb (1.3kg)
Shipping size (L x W x D): 4.75" x 2.5" x 10.75" (121 x 64 x 273mm)
Shipping weight: 3.05 lb ( 1.4kg)
Power: +15V DC/400mA power supply included
Conditions: For use in dry locations only between 5°C and 40°C
Warranty: Radial 3-year, transferable
