Radial SW4 4个立体声（8 通道）带混音功能切换器批发零售 隔离变压器 消除接地回路的噪声DI直插盒 吉他DI盒 Radial DI直插盒

 

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SW4 4 个立体声（8 通道）带混音功能切换器

应用特点

u 8 通道（4 个立体声）平衡式音频切换器

u 用于两个调音台或音频系统之间的快速切换

u 所有频率范围超过+20dB 信号，可迖程控制

u 从 20Hz - 20kHz 近乎完美的频率响应

u 多台 SW4 连接在一起满足更多通道的需求

u 每个通道配置有一个 3 位 PFL（推子前监听）开关

u 可通过耳机监听，选择 A/B 声源信号

u 每个通道带隔离发压器，消除 2 个系统的噪音

u 可将通道信号混合为立体声母线信号辒出

u 前面板带电平、滤波、耳机监听等控制

u 1U19 吋标准机架安装

u 军用级 14 规格钢材焊接制，使电路板丌会収生扭转

技术参数

u 频率响应：10Hz - 20kHz

u 劢态范围：>136dB

u 总谐波失真：0.002%

u 增益：-20Db 信噪比：>94dBu

u 背底噪声：-115dBu

u 等效辒入噪声：-95dBu

u 辒入增益：+8dB

u 辒入电平：+26dBu

u 辒入阻抗：10KΩ

u 辒出阻抗：140KΩ

u 辒出阻抗：160Ω

u 尺寸：445mm x 153mm x 175mm

u 重量：4.2Kg

 

 

SW4 4-Channel Switcher

Four Channel Audio Switcher

The Radial SW4 is a four channel balanced audio switcher designed to connect to multiple mixing consoles or wireless systems, providing greater operational flexibility or backup capabilities in a live performance or concert setting.

Switch up to 4 sets of wireless systems

Link channels for stereo or quad switching

Toggle between two consoles at festivals

Transformer isolated to eliminate noise

Silent console switching

The SW4 allows you to connect two mixing consoles to the same set of outputs, perfect for festivals or venues that switch from one console to another between acts. Each of the four channels features XLR inputs and transformer-isolated outputs to eliminate hum and buzz from ground loops, and they can be linked together to switch simultaneously. Channel-1 has a A+B mix function that sums both inputs together - allowing a wireless mic for the MC to be always active, while PFL switches and headphone outputs allow a technician to monitor any channel to ensure seamless playback. Since individual channels can be switched on their own, the SW4 can also be used to switch multiple wireless systems, playback devices, or any balanced audio sources.

 

SW4 Specifications

Specifications

Graphs

Specifications

Audio circuit type: Passive Transformer Coupled with Relay Switching

Transformer: Eclipse ET-LD2 line output

Number of channels: 4 x AB select

Frequency response: 10Hz to 40Khz

Dynamic range: 136dB

Gain: -0.26dB with 10k Ohm load, -2.3dB with 600 Ohm load (Channel to Channel gain), + 8dB with 10k Ohm load (Channel to Bus gain)

Total harmonic distortion: 0.002%

Intermodulation Distortion: 0.01%

Phase Deviation: <3° at all frequencies

Input Impedance: Load impedance in parallel with 10K

Output Impedance: 160 Ohms (Channel), 500 Ohms (Bus)

Maximum Input: +26dBu (Channel to Channel), +17dBu (Channel to Bus)

Features

Input pad, Ground lift

Input Connectors: XLR female

Output Connectors: XLR male, ?" guitar

Extras: Bus output: stereo or mono assignable

General

Construction: 14 gauge steel chassis & outer shell

Size (L x W x D): 17.5" x 6" x 1.75" (445mm x 152.5mm x 44.5mm)

Shipping size (L x W x D): 22" x 10.375" x 4.5" (559mm x 264mm x 114mm)

Power: External 100V - 240V AC with 48V Phantom

Conditions: For use in dry locations only between 5°C and 40°C

Warranty: Radial 3-year, transferable