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Audio and Video Talk
Valves / Vacuum Tubes
I've gone tjube mad!
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<blockquote data-quote="charles" data-source="post: 677698" data-attributes="member: 2759"><p>Something about magic eyes.</p><p></p><p>It was used as an tuning indicator because of the much higher price of an analog moving coil meter.</p><p></p><p>There is not a lot of interference with the audio signal as these magic eyes were used in the sensitive </p><p>RF circuit of a receiver. The Leak trough line FM receiver uses a magic eye as a tuning indicator.</p><p></p><p>Just be aware that a magic eye has a certain lifespan. The harder you drive it the quicker the indicator</p><p>stars to fade away.</p><p></p><p>http://www.magiceyetubes.com/ </p><p></p><p></p><p>As a hobby I have collect these wonderful magic eye devices.</p></blockquote><p></p>
[QUOTE="charles, post: 677698, member: 2759"] Something about magic eyes. It was used as an tuning indicator because of the much higher price of an analog moving coil meter. There is not a lot of interference with the audio signal as these magic eyes were used in the sensitive RF circuit of a receiver. The Leak trough line FM receiver uses a magic eye as a tuning indicator. Just be aware that a magic eye has a certain lifespan. The harder you drive it the quicker the indicator stars to fade away. http://www.magiceyetubes.com/ As a hobby I have collect these wonderful magic eye devices. [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
I've gone tjube mad!
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