性能
每通道的最大输出功率 into 4 Ω or 8 Ω; 1kHz, ≤ 0.5% THD - VMA160: 60W VMA1120: 120W VMA1240: 240W
插入损耗
(70V & 100V outputs) 1dB maximum
输入数目 5
产出的数量 1
音色控件 (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
总谐波失真 (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
串音 (reference rated power, volume at mid position, 1kHz) -70 dB
标称交流线路电压 100V, 120V, 220V, 220-240V, 50/60 Hz
最小负载阻抗 (Low Impedance Output, 70V Output, 100V Output) VMA160: 4 Ω, 80 Ω,160 Ω VMA1120: 4 Ω, 40 Ω, 80 Ω VMA1240: 4 Ω, 20 Ω, 40 Ω
工作温度/湿度 0°C to 35°C @ 95% R.H. (non-condensing)
存储温度 -20°C to 85°C
净重量 VMA160: 19.4 lb (8.8 kg) VMA1120: 20.2 lb (9.2 kg) VMA1240: 25.5 lb (11.6 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
VMA160: 24.6 lb (11.2 kg) VMA1120: 25.5 lb (11.6 kg) VMA1240: 30.8 lb (14 kg)
