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DX-100 Mods
http://amwindow.org/tech/htm/dx100.htm
DX-100 Audio Modifications by Tim Smith, WA1HLR Speech Amp Mic Circuit Most people prefer to use a high-Z mic like a D104. These mods are designed to work best with a D104 or other hi-Z mic. Anything else can be used once these mods are implemented. Hi-Z mics like to see an input impedance of at least 5 MegOhms or greater.
DX-100 Mods - AM Window
http://www.amwindow.org/tech/htm/dx100/dx100.htm
DX-100 Mods DX-100 Modifications by Ed - AA8TV Audio Mods 1) Replace cathode caps from pin 8 of the 12AX7 to gnd with a 220uf 35v electrolytic and 1uf 35v tantalum. 2) Replace 510pf coupling cap between pin 6 of the 12AX7 and the volume control with a …
DX-100 Modifications - Nostalgic Kits Central
http://nostalgickitscentral.com/heath/mods/dx100.html
Most of the AM'ers endevour to improve their audio, at least in the area of distortion. One area which is seldom examined is whether the class C final reproduces an output signal in exact accordance with the modulating waveform. I examined this carefully a while back, with my then 6146B powered DX100 final.
DX-100 Audio Mods - QRZ Forums
https://forums.qrz.com/index.php?threads/dx-100-audio-mods.131998/
DX-100 Audio Mods. Discussion in 'Ham Radio Discussions' started by W4BHV, Jul 19, 2007. Thread Status: Not open for further replies. W4BHV Banned QRZ Page. I have a DX-100 transmitter and have done some research on audio mods. I see that the decoupling caps can be increased to give it more low end response.
DX-100 Audio Modifications by Tim Smith, WA1HLR - Amfone
http://amfone.net/Amforum/index.php?topic=32916.0
DX-100 Audio Modifications by Tim Smith, WA1HLR Speech Amp Mic Circuit Most people prefer to use a high-Z mic like a D104. These mods are designed to work best with a D104 or other hi-Z mic. Anything else can be used once these mods are implemented. Hi-Z mics like to see an input impedance of at least 5 MegOhms or greater.
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