Radial VOCO-LOCO 人聲和樂器效果切換放大控制器DI直插盒批發(fā)零售 隔離變壓器 消除接地回路的噪聲DI直插盒 吉他DI盒 Radial DI直插盒
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VOCO-LOCO 人聲和樂器效果切換放大控制器DI直插盒
應(yīng)用特點
u 錄音室級別的話筒前置放大器
u 為踏板提供效果發(fā)送與返回通路
u 干濕混合旋鈕用于混合效果信號
u 多個效果器可以使用一個腳踏開關(guān)
u 可加載動圈或電容話筒
u 通過隔離變壓器優(yōu)化信號通路，減少噪音和失真
u 對薩克斯、小號和長號來說是很棒的配備
u 在人聲和口琴信號方面有極好的表現(xiàn)
u 軍用級 14 規(guī)格鋼材焊接制，使電路板不會發(fā)生扭轉(zhuǎn)
u 底部防滑墊處理，提供物理機(jī)械隔離和電氣絕緣
技術(shù)指標(biāo)
u 設(shè)備類型：FET 類緩沖與集成的集成電路運算放大器
u 頻率響應(yīng)：20Hz-30KHz
u 總諧波失真：<0.05%@1kHz
u 動態(tài)范圍：100dB
u 輸入阻抗：10kΩ
u 最大輸入：>+10dBu
u 輸入增益：52dB
u 輸出阻抗：300Ω
u 輸出電平：+15dBu
u 等效輸入噪聲：-120dBu
u 本底噪聲：-88dBu
u 互調(diào)失真：0.004%
u 相位偏差：8°@50Hz
u 共模抑制：-73dB@55Hz
Voco-Loco Effects Switcher for Voice or Instrument
Mic Preamp and Effect Loop
The Voco-Loco is a foot-controlled microphone preamp and effects loop switcher that enables a vocalist or acoustic instrumentalist to incorporate guitar effects pedals into their signal path.
Add guitar effects pedals to vocal or instrument mics
Create exciting and unique effects as you perform
Turn on multiple effects with one footswitch
Works with dynamic and condenser microphones
Connect any mic to your guitar pedals
The Voco-Loco combines a microphone preamp with a guitar pedal effects loop, allowing a lead vocalist, sax or trumpet player to add guitar pedals to their audio signal path just like an electric guitarist adds effects for soloing. Simply plug your mic into the Voco-Loco via the XLR input, connect your effects pedals using standard ?" guitar cables, and then send the output from the Voco-Loco to the input on your mixer. Now with the touch of a footswitch you can add your favorite delay, reverb, distortion or wah-wah to any mic'd up instrument or vocal - the options are only limited by your imagination.
Voco-Loco Specifications
The Radial Voco-Loco is in fact a studio quality preamp that has been carefully disguised as a foot pedal! One look at the linear frequency response, exceptional signal handling and low noise and you will recognize the studio quality that is built-in. This ensures that the dry microphone signal will be delivered to the PA system without distortion or artefact and faithfully reproduce the instrument or vocal without compromise. A carefully crafted 2-band EQ makes adjusting the tone effortless. Turning on the effects loop adds transformer isolation to reduce hum and buzz caused by ground loops, a common problem that plagues many pedal setups. Once the loop is brought back, a tone control lets you tame the effects signal and a dry-wet mix control lets you balance the signal to suit.
*48 Volt Phantom Power
Although 48 volts is often specified, truth is, it is not always present or needed. In fact most condenser microphones are designed to work from 12 volts to 52 volts, many of which will also work on a simple 1.5 volt battery. The reason high voltage is used to charge condenser mics in PA systems is that in enables the condenser microphone to be positioned 200 meters (600 feet) away from the mixing console. Considering the Voco-Loco will likely be used near the musician with a 3 or 6 meter (10′ or 20′) mic cable, the high voltage is simply not needed. The Voco-Loco actually generates 40 volts phantom, not 48 volts. We chose to do this in order to reduce a power stage which could add noise. We have tested a wide range of popular stage and studio microphones and in all cases, the results were excellent.
Specifications
Block Diagram
Graphs
Specifications
Audio circuit type: Integrated Op-Amp with Class A FET input circuit
Frequency response: 20Hz ~ 20kHz
Dynamic range: 100dB
Gain: 52dB
Clip Level: +15dBu
Total harmonic distortion: <0.005%
Intermodulation Distortion: <0.005%
Phase Deviation: 8° @50Hz
Input Impedance: 10K-Ohms, 100K (FX Loop)
Output Impedance: 300 Ohms, 3000 Ohms (FX Loop)
Common Mode Rejection Ratio: -73dB @55Hz
Equivalent Input Noise: -120dBu
Noise: -85dBu
Maximum Input: +10dB
Features
Input pad, 180° polarity reverse, Ground lift, Effects Loop
Input Connectors: XLR-F
Output Connectors: XLR-M
General
Construction: 14 gauge steel chassis and outer shell
Power: 100mA, center positive
Conditions: For use in dry locations only between 5°C and 40°C
Warranty: Radial 3-year, transferable
