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I think I'm done buying R-300s. I found the European ham band version. I was actually pretty excited about that- I assumed finding one would be very difficult, as it wasn't intended for the American market. I'm not sure how many ended up here, but the owner's manual describes how to change the wiring internally to accomodate our 117V mains. This one was a "for parts or not working" eBay buy. In fact, two out of my three have been that way and they all pretty much have the same issue- dirty bandswitch. There was no reception until I cleaned the bandswitch with a liberal dosing of Deoxit. This model, intended for the European market with the Ham band, was originally wired for 220V, but the previous owner had already performed the simple rewiring and fuse swap for 117V. My plan was originally to only have one working radio but now I'm tempted to keep both versions, just because. The service manual states the differences between both depended on the shipping destination of the radios. The "K" version was for the Americas, "W" for Europe and "W2" for Europe with the Ham bands.
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Yep, not much going on in this group. I am, however, getting another R-300. My current unit receives well, but it was purchased very cheaply as a "for parts or not working" eBay item. When I received it, I noticed the dial string had come off it's track. I fixed it, but it's never been aligned properly since. Drives me nuts- it's really hard to tell where you are on the dial. I recently bought a frequency generator and will run some tests to see just how far off it is. At any rate, I found another one on eBay for a good deal this weekend but the description was pretty vague, so I cannot wait to see what condition it's in when it arrives! I asked the seller if it was fully functioning and they replied in the affirmative. I low-balled and they accpeted. I'll be pleasantly surprised if it really does receive on all bands in all modes. Looks fine cosmetically. Thanks, Dominic
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File /Kenwood Model R-300.pdf uploaded
#file-notice
The following items have been added to the Files area of the [email protected] group. /Kenwood Model R-300.pdf By: Dominic Dambro <dominic1967@...> Description: A PDF scan of my used R-300 manual. The quality is way better than any of the PDFs floating around on the internet. Apologies for the handwriting on the cover. (Whoever Dave is, he's happy to have gotten a good deal.)
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Got My R-300
5
It showed up yesterday afternoon. Haven't pulled the covers yet, but it could be worse. Does work, but really dirty controls and off frequency. The Bandspread seems to have been pushed into the radio. Hmmm. I hope it's just a straightening of metal thing. I managed to get the knob off and the shaft turns with some difficulty. The aluminum ring is missing from the Antenna Tune knob. Maybe I can make one! :) Darrel
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Just found the group. Did everyone just up and move someplace else? Where? J
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I/F Gain Control Mod
I found this on an eHam review; One easy reversible mod to aid in CW/SSB reception is to add an external 5K pot to the (-) side of the S-meter and ground, to give a true I/F gain control. The radio's RF gain control is actually a front end attenuator and the RF and I/F circuits run full blast with only the AGC to adjust it.
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Hi all, I joined because I finally completed my Kenwood collection by snagging a great deal on eBay for an R-300. It was sold as “for parts or repair,” as the main tuning dial cord had slipped. It took me an hour to get the string back on a tiny pulley but it nowlooks and works like new. I was curious why there was no activity here. Was there ever a Yahoo group? Thanks, Dominic
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