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Look at the schematic, it's a R108722k ohm resistor. To me, it looks like i can put the 4.7k to pin 3 and pin 4 ?? Icom printed boards on the service manual suck, they use a red color for background so you can't see chip lay out

I'm trying to do a mod to my ICOM 746, a small tight spot needs to parallel a 4.7k resistor to R1087. What temp setting would be a starting point to avoid damage

Use of the Heil series of microphones Most of the Heil series of microphones have too little output to sound good on an IC746 (IMHO) without employing a pre-amp. It's possible to turn the mic gain up, use the speech compressor and shout your head off but that's not ideal. You can even buy a...

Thanks, i already tried that when i tried that element on my iCOM SM-20 desk mic, it sounds clean and clear, which leads me to believe i need a pre-amp for this Heil icm mic now to look for a donor that i care steal it from

I need some help or advice. I have a Heil IC-Mic for my non-pro Icom 746, which has low-gain preamps. It only has options for treble (0 or +) and bass (-). My issue is that there’s a slight muffled sound when I speak. I've tried moving farther away from the mic, but that didn't help. If I...

i have the other type pep kit that has 2x and 5x need a 500-watt slug, but I only have a 250-watt slug. 2x mode fixes it

https://www.eham.net/reviews/view-product/14081

Look here, this is where i buy mine from=https://www.nm3e.com/HElements.htm#H

2500

is this where the +5 -5 % comes in? 50 watts on the 250 slug and 46 on the 100 slug

i heard bad reports about the Daiwa-?? ones not being accurate

Besides the Autek research WM-1 meter, is there another meter that reads SWR without having to recalibrate like the wm-1 ???

Thanks, will check it out

Maybe because I'm running an EFHW antenna

Is this normal behavior, even though I have the equipment properly grounded? I checked with a continuity meter, and everything looks good. However, I notice that while checking the SWR and power settings on my Autek WM-1 meter, the SWR decreases when I touch the metal case or the aluminum box...

Why is there no ham radio mod like audio boost or hi-fi I only find warc mods or freq expand

want to do a trade, a Palomar 300a with 8 extra tubes at 85 to 90 percent, plus some cash for an Icom IC-7300 I use it on 20 meters a few times with no issue

This right here is either on meds or has lost touch with reality $900.00 I can't even sell mine for $325 with spare tubes...

Looking for advice on an audio recorder or DVR to use with my Icom 746 non-pro I was used to the DVS-2 when I had my Yaesu FT-890, nothing expensive as it's for experimental at the moment, which there was a way to rewire it to use with any radio

thanks will try that