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I looked at a schematic. Unfortunately, that info is not given. You will need to either copy it from another microphone, or use an ohm meter and figure it out.

1=Mic audio, 2=shield, 3=T/R (tied to 2) 4=TX It is the same as the Telsat SSB-50

The correct part is IRFZ44

I concur, looks like the old SS-3900

No way to know by the photo, other than it is someone's modification. If you take a photo of inside, that may shed some light on what it is doing.

The last photos of the Pride and the Gray, were to show that the Gray is pretty much a clone of the Pride. The ONLY difference between the two, is the input attenuator and the front panel switches. The main and daughter PCB's are almost exactly the same.

Wow.....shameless

It has a bunch of yellow wires that are not teflon, but not in a rats nest like the one you show. If you look at the AM LED in your photo, you can see it is tied to the pre-amp switch. I think this is how they did it, half assed. I am going to re-purpose the AM LED as a TX indicator, rather than...

Anyone have a Gray 150 type amp with plastic switches? PCB says g-100A, pair of MRF455, class C. I am trying to determine, if the amp was built with the AM LED always on. It appears that it may be some kind of cost cutting thing, as the SSB delay switch, is SPST. The Gray 150's I have seen that...

When I first discovered a "digital" meter, a Palomar Engineers M-827, I realized, that the speed of a Bird 43 was just not accurate for CW, AM or SSB. The LED bargraph, was so much faster, you could see what power levels were really being attained. I then graduated to a M-835, then to the RF...

The conversion is not in software. The CPS, makes it easier to do some of the functions, like memory channels, CTCSS/DCS, offsets and such. Also, easier to set the radio up with the CPS, as opposed to the function menu. All of the fucntions/options are right there, in front of you, without...

I have been running the Hy-Gain V the past month. Good Idea, gonna get one of the 858's I have on here. I have wanted a TRC-449 and Pres Adams forever, but still on my wish list. Good idea.

It is a radiating dummy load, almost infinite BW. Probably more efficient than the incandescent light bulbs, people used back in the day, and poses a true 50 Ohm resistive load.

If you have an MB8719 on hand, I would try swapping it.

We communicated here not long ago, as I had an issue with something he had experience with. He was another one, that was here for the right reasons. 73 399

No. 3% is not uncommon these days. These new meters have very fast response to peaks, unlike the Bird. Bird Watts=Turd Watts dedkee, reeflek an arummmess. SL

As part of my employment agreement with a manufacturer I now refer to "Turd", I used my own Bird equipment, that was repaired and calibrated at 6 month intervals, at their expense. When it was time for repair or cal, the cal lab would condemn at least a third of my elements, as unable to...

Bird wattmeters suck, are overrated and it's time, for smart people to move on from them. There are much better things available now. SL