| 1. | His first major electronics was scratch-building Ham Radio transmitter using 6146 power tube.
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| 2. | Power tubes using this cooling scheme are available up to 150 kW dissipation.
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| 3. | High-power tubes such as transmitting tubes have packages designed more to enhance heat transfer.
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| 4. | The transportation unit operates above the power tube on a pair of parallel steel rails.
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| 5. | In 1934 Dobro released a guitar amp with a vacuum tube rectifier and two power tubes.
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| 6. | This design helps to overcome some of the practical barriers to designing high-power, high-efficiency power tubes.
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| 7. | The EIA 7AC pinoutThe tube used EIA base 7AC in common with many other power tubes.
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| 8. | After he walked past a magnetron, a radar-set power tube, Spencer discovered that the bar had melted.
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| 9. | It had a single GZ34 rectifier, two 5881 / 6L6GC power tubes and four 12AX7 preamp tubes.
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| 10. | Very-high-power tubes of small physical size may use evaporative cooling by water in contact with the anode.
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