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JBL Commercial Products

VMA 260/2120

JBL VMA 系列是一个高性价比的调音台/功放系列,具有低阻抗功能 (4Ω, 8Ω) 和高阻抗 70V 和 100V 输出。 此系列有着便携且灵活的功能设计,适用于全球的商业综合供应商,是新兴市场的理想之选。

特点

• 8 个输入和 2 个输出,60 或 120 W 功率
• 每个输出声道配备有单独的低音和高音控件
• 100V 和 70V 输出,或 4Ω/8Ω
• 寻呼铃声和优先静音
• 支持搭配 JBL CSR-V 壁式控制器使用
• 平衡麦克风/线路输入;RCA (.775V) 输入
• 随附机架安装工具

性能
Max Output Power per Channel into 4 Ω or 8 Ω; 1kHz, ≤ 0.5% THD - VMA260: 60W VMA2120: 120W

插入损耗

(70V & 100V outputs) 1dB maximum
输入数目 8
产出的数量 2
Tone Controls (Bass and Treble non-detented potentiometers on each channel) Bass +/-14dB @ 50Hz; Treble +/-14dB @10kHz
输入的灵敏度 (to obtain full rated power into 8 Ω load) Mic Input: 5.5mVRMS Line Input: 1.3VRMS RCA Input (stereo in): 130mVRMS

频率响应

(measured at 2.83VRMS into rated load impedance at any output) 4/8 Ω Output: 20Hz - 20kHz, +/-2dB; 70V/100V Outputs: 80Hz - 15kHz +/-3dB
Total Harmonic Distortion (THD) (measured at 2.83VRMS into rated load impedance at any output) Power Amp Output: <0.5%, 20Hz - 20kHz

信噪比

(Ref. Rated Power, mixer levels @ min., master volume @ max. A-weighted) >76dB

输入阻抗

(nominal) Mic: 400 Ω Line: 20 kΩ (balanced) RCA: 50 kΩ
幻象电源 27VDC
Crosstalk (reference rated power, volume at mid position, 1kHz) -70 dB
Nominal AC Line Voltages 100V, 120V, 220V, 220-240V, 50/60 Hz
Minimum Load Impedance (Low Impedance Output, 70V Output, 100V Output) VMA260: 4 Ω, 80 Ω,160 Ω VMA2120: 4 Ω, 40 Ω, 80 Ω
Operating Temperature/Humidity 0°C to 35°C @ 95% R.H. (non-condensing)
Storage Temperature -20°C to 85°C
净重量 VMA260: 25.5 lb (11.6 kg) VMA2120: 29.3 lb (13.3 kg)

尺寸

Width: 17.0 in. (432 mm) Depth: 16.3 in. (415 mm) Height: 3.5 in. (88 mm)

运输重量

VMA260: 30.8 lb (14 kg) VMA2120: 34.5 lb (15.7 kg)
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Buyitnow button hover Vma260 value series 2 ch front medium Vma2120 value series 2 ch front medium Vma260 value series 2 ch back medium Vma2120 value series 2 ch back medium