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![TQWP [English]](https://www.tnt-audio.com/jpg/tqwtinside.jpg "TQWP [English]")
TQWP [English]
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Voigt Pipes | Custom-made speakers and audio gear
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![A Matching Pair Loudspeakers of 'Voigt Tube' or 'Tapered Quarter-Wave Pipe' Type [0899×1874] : r/audiophile](https://i.redd.it/3l1nce4dkev41.jpg "A Matching Pair Loudspeakers of 'Voigt Tube' or 'Tapered Quarter-Wave Pipe' Type [0899×1874] : r/audiophile")