Simpler, cheaper transformer (no CT required, fewer turns), two diodes
instead of four. Normally requires series, electrolytic caps, instead
of single oil cap.
Sent from my iPhone
> On May 13, 2017, at 11:23 AM, Paul Baldock <paul@paulbaldock.com> wrote:
>
> Why did early amplifiers use voltage doublers rather than twice the secondary
> turns and a full wave bridge?
>
> - Paul
>
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