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Record to pickup the frequency ... (Arronaks)
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Record to pickup the frequency ... (Arronaks)
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Demonstration of stereo sound ... (ua4pd)
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Demonstration of stereo sound ... (ua4pd)
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Demonstration of stereo sound ... (ua4pd)
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Demonstration of stereo sound ... (ua4pd)
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The record for the stereo test ... (ua4pd)
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Measuring Plate. 7’ ... (ua4pd)
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Measuring Plate. 7’ ... (ua4pd)
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To measure the frequency ... (ua4pd)
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To measure the frequency ... (ua4pd)
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Measuring Plate. 7’ ... (ua4pd)
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Measuring Plate. 7’ ... (ua4pd)
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Test Record (Испытательная ... (Yuru SPb)
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Test Record (Испытательная ... (Yuru SPb)
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The frequency record, side 1 ... (Arronaks)
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The frequency record, side 2 ... (Arronaks)
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To measure the sensitivity of ... (ua4pd)
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Record to measure the crosstalk ... (Arronaks)
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The record for the stereo test ... (ua4pd)
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Частотная пластинка (Versh)
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Частотная пластинка (Versh)
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Playback speed |
0 |
RPM, duration 0 |
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