Drake tr-4 mods
WebD rake TR-4 transceivers are known for lacking of bass frequencies in SSB and AM modulation. Just do the following. Increase C138 from 1 nF to 4.7 nF. The effect is that … http://www.wb4hfn.com/DRAKE/DrakePageHome.htm
Drake tr-4 mods
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http://zerobeat.net/drakelist/drakemod/drmodtoc.html WebThis page is devoted to the repair of my second Drake TR-4C transceiver. I got it in unworking condition, with a homebrewed AC-4 power supply clone. Unit as received As …
http://www.amfone.net/Amforum/index.php?topic=9082.0 WebThe old 2N5950 N channel FET used in the VFO (PTO) of the 4 line DRAKE-??s become sensitive to temperature change in the way of amplitude diminution only but no
WebIt is a ham-bands-only radio, but has FULL QSK for CW. The only negative i found was somewhat restricted receive audio, but there is a mod that replaces four components on the audio board to fix that. With that mod it has the beautiful authentic Drake sound like the TR-4cw and R-4C. Very few were made and they are difficult to find: try finding ...
WebThe R-4C had all of the factory filters, plus the optional CW filters (1.5kHz, 500Hz, 250Hz filters). The receiver also has the Drake noise blanker. The sweet thing about the R-4C is that it has ALL of the Sherwood mod's including the CW & SSB roofing filters. daw clubliedWebKWM-2A and Drake TR-4 CW works great as it does the same by controlling the drive power down for the solid-state or low drive tube amplifier. Conclusion: I have had many folks ask how to turn drive power down on the older H.F. gear and it has made it hard to explain to folks just how to do it. Just turning the microphone gain down will not do gates predator powerbandWebDescription. 15 Feb 2015. Improving the Drake TR-5 Reception Audio Quality. Click here to view all the ABOVE modifications for tr-5 in one page. Note that page can take a while to load, if there are many modifications. This forum message list include all message for that is related to TR-5, this include message that also is related to articles. gates presbyterian churchhttp://zerobeat.net/drakelist/drakemod/drmod90.html gates precast companyWebAudio Improvment for the Drake TR-4. Drake TR-4 transceivers are known for lacking of bass frequencies in SSB and AM modulation. Just do the following. Increase C138 from … daw clothingWeb4 - 12 5 - 1 6 - 5 7 - 3 8 - 4 9 - Not connected. So it is possible to use 6JM6 tubes instead of 6JB6A!. I have no idea, though, if these tubes (6JM6) are easier to find than 6JB6A but, at least, it is another possibility we have to maintain our nice Drake gear working :-)!. gates pressure washing serviceWebDRAKE TR-4 transceivers and other tube transmitters that employ controlled carrier AM are susceptible to excessive microphone drive. With no modulation the left Search help gates preowned used cars