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Vintage Telephony and Telecomms Vintage Telephones, Telephony and Telecomms Equipment

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Old 10th Aug 2019, 9:20 pm   #1
dagskarlsen
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Join Date: Jan 2008
Location: Hakadal, Norway
Posts: 427
Default Boost the ringer current instead of ...

I made a system for making more ring power, and that will also fit the UK-system. The relay will almost draw nothing from the line, and the output to the third wire will not be affect the incoming ring power.

For UK I would suggest to add e 1.8 uF capacitor in series with the ring line, just because of the characteristics of the AC inverter.

http://www.classicrotaryphones.com/f...9848#msg229848

dsk
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