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Max Output Power per Channel: into 4 Ω or 8 Ω; 1kHz, ≤ 0.5% THD - VMA1240: 240W
Insertion Loss: (70V & 100V outputs) 1dB maximum
Number of Inputs: 5
Number of Outputs: 1
Tone Controls: (Bass and Treble non-detented potentiometers on each channel) Bass +/-14dB @ 50Hz; Treble +/-14dB @10kHz
Input Sensitivity: (to obtain full rated power into 8 Ω load) Mic Input: 5.5mVRMS Line Input: 1.3VRMS RCA Input (stereo in): 130mVRMS
Frequency Response: (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
Signal to Noise Ratio: (Ref. Rated Power, mixer levels @ min., master volume @ max. A-weighted) >76dB
Input Impedance: (nominal) Mic: 400 Ω Line: 20 kΩ (balanced) RCA: 50 kΩ
Phantom Power: 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) VMA160: 4 Ω, 80 Ω,160 Ω VMA1120: 4 Ω, 40 Ω, 80 Ω VMA1240: 4 Ω, 20 Ω, 40 Ω
Operating Temperature/Humidity: 0°C to 35°C @ 95% R.H. (non-condensing)
Storage Temperature: -20°C to 85°C
Net Weight: VMA1240: 25.5 lb (11.6 kg)
Dimensions: Width: 17.0 in. (432 mm) Depth: 16.3 in. (415 mm) Height: 3.5 in. (88 mm)
Shipping Weight: VMA1240: 30.8 lb (14 kg)