Print Page - Sub-cycle Power Supply

Title: Sub-cycle Power Supply
Post by: poplar1 on June 14, 2013, 02:42:23 PM

If you need a power supply with 20-cycle ringing, there is one listed on Ebay:

http://www.ebay.com/itm/161043046150

20-cycle sounds more authentic than the more common 30-cycle.

The seller is in Canada.

Classic Rotary Phones Forum

Telephone Switching => General Switching Discussions => Topic started by: poplar1 on June 14, 2013, 02:42:23 PM