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For good shielding reason I put shielding net on rack.
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Therefor Alumni plate will contact shielding net well.
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Install crossover switch module.
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Drill hole for well proper layout of amplifier.
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Connect relay DC control wire for crossover switch module.
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Set 12V transformer for relay DC control usage.
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Mount 4 transformers. 5U4G heater transformer ,chock, 6.3V transformer,
crossover transformer.
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Finish AC main power switch circuit (include a AC delay-on relay).
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Finish AC power and Tube heater circuit prepare for turn-on test.
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Real test and check each point voltage.
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Finish connect wire of crossover switch module and make a test of mode
switch.
This weekend the last schedule.