美国SOUND DEVICES 302 外景用便携式调音台 产品介绍: 302是一款紧凑的音频调音台,可适用于各种音视频应用。它带有三个话筒输入、电平表和灵活的耳机监听,可以对音频文件进行全方位的控制。302可以接受多种音频文件,带有幻象供电(48V或12V)或T电源——可在每个通道上进行选择。 302是同类产品中最小最轻的音频调音台。它由3节AA电池供电,使用内置电源(不带幻象供电)可工作一整天。它可靠的机械结构和经过现场测试的设计可应对各种恶劣的现场环境。 主要特点: Ø 3个平衡话筒或线路电平输入 Ø Lundahl输入变压器,可提供出色的RF(射频)和信号处理 Ø 幻象供电(48V或12V)或T电源——可在每个输入上进行选择 Ø 输入输出上都带有限制器(输出上的是由软件控制的) Ø 输入通道1和2带有MS立体声矩阵 Ø 二位高通滤波器,80Hz或160Hz@12dB/octave Ø 输出电平可从线路到话筒电平进行调整,可在设置菜单中进行控制 Ø 40段反光液晶输出显示表,软件控制 Ø Slate话筒和音频振荡器 Ø 耳机监听,可监听立体声文件、单声道文件、返回发送、PFL或MS立体声 Ø 当需要更多输入时可选用通道4和5 Ø 软件控制用户设置 Ø 电池取放简便 Ø 由3节AA电池供电,或使用外部5-18VDC供电 Dedicated PortaBrace bag CS-302.
Mixer Sound Devices 302
Small, Powerful, audio Mixer for ENG Developed specifically for audio-for-picture applications, the 302 mixer is the perfect tool for production companies and camera operators wanting to take control of their audio. The 302 is stunning for its size, flexibility, control and performance; it is the most compact and cost-effective battery-powered professional audio mixer in its class.
With important features to accommodate nearly any over-the-shoulder production, the 302 interfaces with wireless transmitters and receivers, camera audio inputs of all kinds, and external audio recorders. Its microphone inputs share the same superb circuitry of all Sound Devices field production tools. Frequency Response:20 Hz - 30 kHz, +0.2, -0.5 dB, -1 dB @ 5 Hz and 50 kHz typical Equivalent Input Noise:-126 dBu (-128 dBV) maximum (22 Hz - 22 kHz bandwidth, flat filter, trim control fully up) Input Clipping Level: 0 dBu minimum (trim control fully down) Line Output Clipping Level (1% THD): 20 dBu minimum, 18 dBu minimum with 600 ohm load Dynamic Range:115 dB minimum (trim fully down) THD + Noise:0.007% typical (1 kHz, +4 dBu at Line out), 0.009 max (50 Hz to 20 kHz, +18 dBu at line out, fader fully up) Output Noise:-100 dBu (-102 dBV) maximum (22 Hz - 22 kHz bandwidth, flat filter, master gain fully up, faders fully down) L/R Gain Matching:+/- 0.1 dB (Mic In to Line Out) Metering:40-segment, sunlight-viewable Selectable peak, VU, or peak (with or without peak hold) + VU ballistics High-Pass Filters: Switchable 80 Hz or 160 Hz, 12 dB/oct, silent activation Mic Powering (each mic selectable): none, 12 V phantom, 48 V phantom, 12 V T-power, selected per mic input Input Limiters:+18 dBu threshold, 20:1 limiting ratio, 1 mS attack time, 200 mS release time. Output Limiters:Affects the outputs of the mixer. Threshold selectable from +4 dBu to +20 dBu, 1 dB steps, 20:1 limiting ratio, 1 mS attack time, 200 mS release time Power supply:Internal ±16 V (bi-polar) regulated audio rails, 2.4 - 6 V range internal batteries, isolated (floating) external DC input jack, 5-18 V locking 4-pin Hirose connector, pin-4 = (+), pin-1 = (-) Temperature:Operating: -20°C to 60°C, 0 to 95% relative humidity; (non-condensing), storage: -40°C to 85°C Weight:0.85 kg, (1.8 lbs) unpackaged with three alkaline AA batteries Dimensions:47 mm x 214 mm x 114 mm (H x W x D), 1.8" x 8.4" x 4.5" QQ:184828702 TEL:13366077705 jinglei12269600
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