Руководство по эксплуатации Meyer Sound VX-1

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VX-1
Stereo
Program
Equalizer
Operating Instructions
The Meyer Sound VX-1 is a two-channel program equal- The VX-1 occupies a single 1.75" standard rack
izer featuring three bands of minimum-phase boost or space, and the clearly marked controls include a
cut equalization per channel. Optimized for composite Master gain control, a single EQ In/Out switch and
response shaping of stereo program material, the VX-1 a convenient Mono switch. Single-pole, minimum-
utilizes a unique Virtual Crossover™ i

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VX-1 Stereo Program Equalizer Operating Instructions Input Connections The VX-1 accommodates nominal input levels of +4 dBu Source Output Wiring of ISO™ Input VX-1 Output Polarity Configuration Pin 1 Pin 2 Pin 3 Pin 1 Pin 2 Pin 3 (XLR connectors) balanced, or -10 dBV (RCA connectors) unbalanced, selected by a rear-panel recessed switch. Balanced n/c - + GND - + n/c + - GND + - The +4 dBu XLR input circuitry employs Meyer Sound’s Unbalanced n/c GND + GND - + n/c + GND GND + - exclusive ISO™ Input

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VX-1 Stereo Program Equalizer Operating Instructions 0 dB 0 dB 0 dB 0 dB 0 dB 0 dB 0 dB -3 -3 -3 -3 -3 -3 +3 +3 +3 +2 +3 +3 +3 -3 240 4 k +3 240 4 k -6 -6 -6 -6 -6 -6 -6 320 6 k 320 6 k Power 175 3 k EQ +4 Mono 175 3 k -12 -12 +6 -12 +6 -12 +6 +5 -12 +6 -12 +6 -12 +6 490 9 k 490 9 k Low 110 Mid 2 k High -24 Low 110 Mid 2 k High VX-1 Program Equalizer Channel A +6 Channel B - ∞ 60 1 k 1 k 17 k 60 1 k 1 k 17 k Gain Figure 3. VX-1 Front Panel Controls EQ In/Out Switch The EQ In/Out Switch engages (

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VX-1 Stereo Program Equalizer Operating Instructions 1 Specifications Frequency Response Equalization In (Controls set flat) 20 – 20,000 Hz +0, -0.5 dB Equalization Bypassed 20 – 20,000 Hz +0, -0.5 dB 2 Total Harmonic Distortion < .005% 3 Hum and Noise < – 90 dBV “A” Weighted 4 Dynamic Range > 100 dB Inputs XLR 5 Type Balanced, transformer-isolated ISO™ Input 6 Impedance 16k ohms, 8k ohms per branch unbalanced Nominal Input Level +4 dBu, 16 dB headroom 7 Maximum Input Level +20 dBu RCA Type Unba

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VX-1 Stereo Program Equalizer Operating Instructions Examples of Program The examples on this page illustrate typical response The control settings (Channel A only) used to obtain a Equalization specific response are shown in the detail below the curve characteristics obtained with various settings of the VX-1 band gain and frequency controls. plot. 50 Hz 20 kHz Frequency 0 dB 0 dB 0 dB 0 dB -3 -3 -3 +3 +3 +3 +2 -3 240 4 k +3 -6 -6 -6 -6 320 6 k EQ +4 175 3 k -12 -12 +6 -12 +6 -12 +6 +5 490 9 k

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VX-1 Stereo Program Equalizer Operating Instructions 50 Hz 20 kHz Frequency 0 dB 0 dB 0 dB 0 dB -3 -3 -3 +2 +3 +3 +3 -3 240 4 k +3 -6 -6 -6 -6 320 6 k 175 3 k EQ +4 -12 +6 +6 +6 +5 -12 -12 -12 490 9 k Low 110 Mid 2 k High -24 Channel A +6 - ∞ 60 1 k 1 k 17 k Gain Gradual Downward Tilt 50 Hz 20 kHz Frequency 0 dB 0 dB 0 dB 0 dB -3 -3 -3 +2 +3 +3 +3 -3 240 4 k +3 -6 -6 -6 -6 320 6 k 175 3 k EQ +4 -12 +6 +6 +6 +5 -12 -12 -12 490 9 k Low 110 Mid 2 k High -24 Channel A +6 - ∞ 60 1 k 1 k 17 k Gain Gra