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  "path": "/gear/effects-pedals/walrus-audio-mantle-analog-bass-preamp-di-review",
  "publishedAt": "2026-05-21T13:02:31.000Z",
  "site": "https://www.guitarworld.com",
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  "textContent": "Walrus and Ian Martin Allison's stompbox collaboration puts studio-grade preamp processing into a pedal",
  "title": "\"It looks like a lost relic from Rupert Neve’s ‘to-do’ drawer\": Walrus Audio Mantle Analog Bass Preamp & DI review"
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