Velleman K4306, Иллюстрированное руководство по сборке

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Features:
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For visualization of audio signals.
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Use with mixing panels, amplifiers, car audio systems…
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Easily connects to the line-level output (LOW INPUT) from any tape deck, stereo system, or CD player.
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A special input (HIGH INPUT) is provided, so that the unit can directly be connected to the speaker
output of most systems*.
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To make it universal, the readout can be set as DOT or BAR indication.
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The supplied display window for vertical or horizontal mounting, makes the unit very attractive.
Specifications:
 Bar or dot readout.
 Scale: -23dB to +5dB, 15 LED’s per channel.
 dB-linear division from -4 to +5dB (1dB per led).
 Systematically growing steps below -4dB.
 Accuracy: ±0.5dB (1KHz).
 Frequency range: 20Hz to 30KHz (-3dB).
 Three different LED colors: green, orange and red.
 Adjustable input sensitivity: 150mV to 5Vrms Low input
1.5V to 50Vrms High input
 Input impedance: 47K Low input / 470K High input
 Power supply: 12 to 15VDC / 300mA
 Dimensions: 150 x 57mm
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NOT SUITED FOR CONNECTION TO HIGH POWER CAR STEREO SYSTEM
Features & Specifications