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Truetone D-726
11-11-2020, 07:39 PM
The diodes replace the function of the rectifier tube. Put the striped end of both diodes on the 80 tube pin that the 8 mfd filter cap is connected to. Put the other end of one of the diodes on pin 2 and the other one on pin 3. Now you have a solid state power supply. If you get slightly higher than normal voltages then your 80 tube is bad. After all, it is 80 years old.
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Messages In This Thread
Truetone D-726 - by Eric - 11-11-2020, 11:15 AM
RE: Truetone D-726 - by RodB - 11-11-2020, 12:50 PM
RE: Truetone D-726 - by Radioroslyn - 11-11-2020, 01:12 PM
RE: Truetone D-726 - by Eric - 11-11-2020, 03:01 PM
RE: Truetone D-726 - by Radioroslyn - 11-11-2020, 06:25 PM
RE: Truetone D-726 - by RodB - 11-11-2020, 07:39 PM
RE: Truetone D-726 - by Eric - 11-12-2020, 10:19 AM
RE: Truetone D-726 - by RodB - 11-12-2020, 02:04 PM
RE: Truetone D-726 - by Eric - 11-16-2020, 01:09 PM
RE: Truetone D-726 - by RodB - 11-16-2020, 01:47 PM
RE: Truetone D-726 - by Eric - 11-16-2020, 03:54 PM
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