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Johnson Viking Valiant Modifications - Murray State University
http://campus.murraystate.edu/org/msuarc/valiantmods.htm
Johnson Viking Valiant Modifications 1. Replace All of the filter caps. Use higher values, Bigger is better. 2. Remove C54, C55 and C56 on the accessory plug. (Better Highs) 3. Change the Plate Choke Bypass Caps to 0.001 2KV RF types. (Better …
Valiant Mods - Amfone
http://amfone.net/ECSound/Valntmods1.htm
Johnson Viking Valiant Audio Mods. by Keith, WA1H Call 603-548-0125 anytime to talk about your Johnson! Here is the audio section schematic for the Viking Valiant Audio Mods. I have a few versions of the schematic. your format. These have been done & redone over the years by myself - WA1HZK, Tim-WA1HLR, Chuck - K1KW , Brent - W1IA & Mike - N1IW
High Fidelity Transformer Modification for Johnson Viking
http://motormouthmaul.com/linked/high%20fidelity%20transformer%20modification%20for%20johnson%20viking.pdf
High Fidelity Transformer Modification for Johnson Viking Valiant (The Central Coast Sound Made Simple) Overview: This procedure documents the method to insert a high fidelity audio transformer in the Valiant, bypassing all of the low level audio and clipping stages. This
Johnson Valiant Modifications - Wireless Girl
http://wireless-girl.com/Projects/AMTransmitters/JohnsonValiant3.html
The P-T156 works well, and only costs $16. If your Ranger, Viking II, Valiant, or other Johnson Transmitter burns out an audio interstage transformer, this is the replacement that works perfect and fits the original bolt hole pattern. It also would be perfect for a DX100 or Heathkit Apache.
E. F. JOHNSON VALIANT MODIFICATIONS BY WA1HLR, WITH ...
http://www.wirelessgirl.net/Projects/AMTransmitters/JohnsonValiant5.html
UPDATE 1/14/2017: "Use correct 124B or P-T156 Hammond transformer in Johnson Viking Valiant Mods by WA1HLR". There is a lot of confusion resulting from the choice of whether to keep the original Valiant audio configuration (single ended driver stage) with minor mods (W8JI and WA1HLR) or using the extensive mods PUSH PULL DRIVER STAGE contained on my site.
N2FFL...Johnson Viking Valiant - QSL.net
https://www.qsl.net/n2ffl/VikingValiant.html
The audio section is much hotter now, has better audio quality and the rig has better modulation. The WA1HYellR Valiant mods are now available on The AM Window site here . I was running a stock, unamplified D-104 with the Valiant but have modified the D-104 and installed a Radio Shack condenser mic in the head which, in my opinion sounds better than the D-104 element.
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