File:Before-and-after image of photo retouche on Studer B67 reel-to-reel audio tape recorder.jpg - Wikimedia Commons

Reel to Reel Tape Recorder Manufacturers - Studer - ReVox - Museum of Magnetic Sound Recording

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File:Tape recorder Studer Revox.jpg - Wikimedia Commons

Studer B67• Studer - ReVox reel tape recorders • the Museum of Magnetic Sound Recording

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Studer B67• Studer - ReVox reel tape recorders • the Museum of Magnetic Sound Recording

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Reel to Reel Tape Recorder Manufacturers - Studer - ReVox - Museum of Magnetic Sound Recording

Studer B67• Studer - ReVox reel tape recorders • the Museum of Magnetic Sound Recording