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If we double the number of components, save for the speaker, then more arrangements are possible. |
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What seems to confuse most is just where ground goes with the Circular/Bridge/Balanced amplifier. The answer is basically wherever we want to put it. The usual approach is to place at the voltage midpoint of the push-pull cathodes. This is done by stringing two 1k resistors in series between these output points and connecting the center point to the input jack's ground. |
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Where to put the ground will be next month's continuation of this circuit analysis. Until then, here is a circuit to ponder. |
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pg. 3 |
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