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Cherry Picker 一进四出话筒前置放大器DI直插盒
应用特点
? 4 通道话筒前置放大器，对比式 4 选一切换
? 100%离散式电路放大
? 无染色直通式话筒信号路径
? 内置电容话筒 48V 幻象供电
? 可选择不同路由信号的快速接入
? 信号切换采用军用级黄金触点，实现零失真零染色
? 4 通道平衡输入，单通道平衡输出
? 断开式接地开关控制，消除系统交流声
? 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：10Hz-40kHz
? 动态范围：>115dB
? 信噪比：-115dBu
? 剩余噪声：-140dB
? 最大输入：+26dBu
? 最大输出：+26dBu
? 总谐波失真：0.0003%
? 相位偏差：<0.001
? 互调失真：0.001%
? 输入阻抗：10KΩ
? 共模抑制比：92dB@55Hz
? 增益：0.0dB–Unitygaindevice
? 尺寸：121x64x147mm
? 重量：1.3Kg

Cherry Picker Four Channel Preamp Selector
Studio preamp selector and switcher
The Cherry Picker? is a 1-input, 4-output switcher that allows you to audition a single source through multiple devices in the studio, including mic preamps, compressors, and effects units.
Select the best mic & preamp combination
Passive ‘straight wire’ color-free signal path
Built-in 48V phantom power for condenser mics
Improve the workflow efficiency in your studio
Hear more options in less time
The Cherry Picker gives you the ability to connect to multiple devices in the studio and instantly A/B between them without any time-consuming cable swapping or re-patching. Now you can test your vocal mic through four different preamps without even stopping playback. It also works with line level signals, so you can connect the output of a single mic preamp into four compressors or effects units. The Cherry Picker helps you make quick decisions with the confidence that comes from an immediate A/B comparison. When paired with the Radial Gold Digger? you can choose between four sources and destinations and select any combination instantly, giving you the freedom to explore endless sonic possibilities.
Cherry Picker Specifications
The Cherry Picker is a ‘straight wire’ switcher that lets you to compare up to four preamps using a single microphone. This balanced interface employs high performance gold contact sealed relays and is void of any buffering whatsoever. This results in distortion levels that are below measurement, zero phase shift at all audio frequencies and a linear performance that is equivalent to a solid piece of wire. The external power supply is used to control the relays, power the LEDs and generate 48V phantom power.

Specifications
Block Diagram
Graphs
Specifications
Audio circuit type: Passive signal path with active relay switching
Frequency response: 10Hz to 40kHz
Dynamic range: >115dBu
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: 10k Ohms
Common Mode Rejection Ratio: -97dB @55Hz
Equivalent Input Noise: -115dB
Maximum Input: +26dBu
Maximum Output: +26dBu
Features
Ground lift, Phantom Power
Input Connectors: Balanced XLR female
Output Connectors: 4 x XLR male
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