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Truetone D-726
RodB
Phorum Expert
*****
Posts: 987
Threads: 40
Joined: Feb 2015
City: Roseville, MN
#10

11-16-2020, 02:47 PM
The cap between pin 2 & 3 of the 42 filters out some of the highs giving more bass to the speaker. Increasing the value gives more bass. I generally use a 0.01 or 0.02 mfd cap. Some radios will have a Tone switch to add a second cap to the circuit.
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Messages In This Thread
Truetone D-726 - by Eric - 11-11-2020, 12:15 PM
RE: Truetone D-726 - by RodB - 11-11-2020, 01:50 PM
RE: Truetone D-726 - by Radioroslyn - 11-11-2020, 02:12 PM
RE: Truetone D-726 - by Eric - 11-11-2020, 04:01 PM
RE: Truetone D-726 - by Radioroslyn - 11-11-2020, 07:25 PM
RE: Truetone D-726 - by RodB - 11-11-2020, 08:39 PM
RE: Truetone D-726 - by Eric - 11-12-2020, 11:19 AM
RE: Truetone D-726 - by RodB - 11-12-2020, 03:04 PM
RE: Truetone D-726 - by Eric - 11-16-2020, 02:09 PM
RE: Truetone D-726 - by RodB - 11-16-2020, 02:47 PM
RE: Truetone D-726 - by Eric - 11-16-2020, 04:54 PM



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)