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AT-6666 Pro Mic wiring info: Totally different than AT-6666 mic wiring 6 pin Mic connector - only 4 wires needed pin 1 = Audio (White wire stock mic) pin 2 = N/C pin 3 = TX (Red wire stock mic) pin 4 = PF/UP/DN buttons (Blue wire stock mic) pin 5 = Audio Shield & Circuit ground (Bare copper...

Nice. BTW, in the Q6Pro, the pre driver and one of the finals are labeled "Q101" on the silkscreen. LOL

Just my observation regarding the Final Bias setting on the Q5N2 and QT60. I know Mark said it is +20ma but I think that is a little low. I think +30~40ma is closer to the factory setting. Also, remember he was doing this on a Stryker 955 which Stryker recommends running at 14.2v. I haven't...

Thanks SL. I didn't have the radio to open up.

https://www.amazon.com/dp/B09G2N791Z?tag=worradfor-20 $4.21 each You can also roll-your-own, literally. Take 5 LR44 coin cells, stack them in series, use a piece of shrink tube that is larger than .460" Dia., shrink it down. LR44's have different chemistries - Lithium Ion, Silver Oxide...

I don't think this is your issue, but for a matched pair, Q103 & 104 don't seem to be very well matched.

Observations: "ANL" only works in AM mode - even if programmed in PC software for other modes. Clarifier only works in SSB mode. Clarifier has "Dead Space" - Anywhere between 11:45 and 12:15, the clarifier is center slot; doesn't shift. Past those 2 points, Freq Display will show a shift in...

11 Service Menu access

Frequency Diagram and 21MHz add.

According to Michael, @ Sinad -12dB (2v), my Pro has SSB sensitivity to -128.7dB and AM sensitivity to -114.5dB

LxWxH Meanwell Mean Well LRS-150-12 - 159x97x30mm s-280-13.8 (13.8x20a)- 199x110x50mm Should fit = S-200-13.8 (13.8x15a) - 199x98x42mm https://www.aliexpress.us/item/2255800190911023.html

https://www.ebay.com/itm/386979635008?mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid=5336136228&customid=&toolid=10001&mkevt=1 https://www.ebay.com/itm/296507827173?mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid=5336136228&customid=&toolid=10001&mkevt=1...

https://www.aliexpress.us/item/2255800192437067.html

Did you add any internal reinforcing? My last W58 snapped right above the insulator and it was single wall.

Here you go.

You big tease... C'mon spill...

The K-1-27 seems to be on backorder everywhere. The K-1-22 "Competiton" seems to be available - $119 & free shipping @ Walcott. Personally, I could never get the K-1-27 to tune well.

Timmy - send me a PM

The FCC didn't have a 4/12 watt rule in 23 channel days. But that is what killed the 1306/1307 combo. By 1978, the FCC wouldn't type accept the radio if it was using them.