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    "title": "500 Series - PowerTube Tube Preamplifier",
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    "summary": "The Radial PowerTube is an 'old school' 100% discrete class-A vacuum tube microphone amplifier intended to capture the essence of the voice or instrument while adding the rich harmonics, warmth, and character of a transformer coupled tube circuit. Designed to fit inside the Radial Workhorse and other 500 series racks, Category: Pro-Audio-Recording \u0026gt; Mic-Preamps-DI-Boxes Source URL: https:\/\/www.verified-retail-listing\/18545\/Pro-Audio-Recording\/Mic-Preamps-DI-Boxes\/Radial\/500-Series-PowerTube-Tube-Preamplifier.htm",
    "agent_summary": "The Radial PowerTube is an 'old school' 100% discrete class-A vacuum tube microphone amplifier intended to capture the essence of the voice or instrument while adding the rich harmonics, warmth, and character of a transformer coupled tube circuit. Designed to fit inside the Radial Workhorse and other 500 series racks, Category: Pro-Audio-Recording \u0026gt; Mic-Preamps-DI-Boxes Source URL: https:\/\/www.verified-retail-listing\/18545\/Pro-Audio-Recording\/Mic-Preamps-DI-Boxes\/Radial\/500-Series-PowerTube-Tube-Preamplifier.htm",
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