Magic eye tuning indicator as a VU meter – BOGIN, JR.
Magic Eye VU Meter
Magic Eye VU Meter
Pin on Hifi
Magic Eye Tube 6e2 Em84 Vu Meter Audio Level Indicator Level Circuit Board Adjustable Sensitivity For Signal Amplifier Power - Instrument Parts & Accessories - AliExpress
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DIYcrap: Magic Eye Tube 6e5c
2pc magic eye VU meter indicator tube bare pcb for EM80 6E2 EM87 EM81 EM84 6E5C | eBay