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Amazon.com: Nobsound Magic Eye 6E2 EM87 Tube Preamp; Audio Level Indicator; VU Meter; Music Spectrum; Vacuum Tube + Driver Board + Case : Electronics
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Amazon.com: Nobsound Magic Eye 6E2 EM87 Tube Preamp; Audio Level Indicator; VU Meter; Music Spectrum; Vacuum Tube + Driver Board + Case : Electronics
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Magic Eye Schematic, Any idea what voltage range the red star should be at? : r/ElectricalEngineering
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