http://groups.yahoo.com/group/tubetypecbradiocollectors/ Tube Type CB Radio Collectors - For All Collectors of Tube Type Vintage CB Radio Mon, 20 May 2013 04:56:18 GMT Bill http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9186 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9186 They're not really "smoke and mirrors". They might not get you any better range showing that you have a better match, but they will protect your radio's finals Mon, 20 May 2013 01:32:13 GMT Steven Fleckenstein http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9185 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9185 I ran out of antenna space on the rooftop a long time ago. The IMAX 2000 is mounted to the back of the shed, about 8 feet from a Diamond V2000A tri-band for Mon, 20 May 2013 00:13:33 GMT browningtram http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9184 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9184 I too, have been telling CB'ers that for more than 3 decades. For most it goes in one ear and out the other because in their mind, if that SWR says 1:1 then by Sun, 19 May 2013 17:09:31 GMT Master Chief http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9183 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9183 True statement! I've been telling people for years that coax acts as a transformer --IF-- your feedpoint is not a 1:1 match. If it IS, then you will have the Sun, 19 May 2013 17:00:13 GMT browningtram http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9182 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9182 there is an old discussion on the Mauldroppers forum (good forum) about adding coax to lower SWR. Some big boys and even Hams believe in this. I do not. You Sun, 19 May 2013 16:42:47 GMT browningtram http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9181 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9181 Bought 8 tubes described as NOS (new old stock) in non original boxes, (that should have been my tip off) they where used and tested BAD on my Sencore MU-140 Thu, 16 May 2013 02:16:28 GMT browningtram http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9180 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9180 There where 2 old mod books back in the secret CB days called "Single Sideband Engineering Practice Service Shop Edition" Had some good stuff in em. Hard to Thu, 16 May 2013 02:04:35 GMT browningtram http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9179 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9179 Back in around 2000, I wrote the Tramdr mods. Basically an effort of putting together all the mods I could find, which included mods from Secret CB and what I Tue, 14 May 2013 21:00:04 GMT herpsrwe http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9178 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9178 Later production Tram D201A Radios used 1 6L6GC , 1 6DG6 tube. Some say replace the 6DG6 with a 6L6GC, some say no benefit, or gain. Later D201A Radios had a Tue, 14 May 2013 04:46:07 GMT Master Chief http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9177 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9177 That was an entertaining read! Tue, 14 May 2013 03:28:44 GMT tramdr http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9176 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9176 I agree with all except for the voltage on D201's. They run 410dc to the plate of the audio and use the dropping resistor scheme with a bypass cap on the RF Mon, 13 May 2013 14:15:27 GMT Bill http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9175 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9175 I prefer a single 6L6 to push pull 6BQ5s as well..../.IF/ the 6L6 is driven properly, but unfortunately in most CBs it is not. Not enough B+ is provided to Mon, 13 May 2013 02:51:08 GMT Ken Hamilton http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9174 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9174 since we are on the subject of trams and eagles...my eagles were the MK2 with a crystal plug put on the transmitter, big old crystals to plug in and were Mon, 13 May 2013 02:34:20 GMT Ken Hamilton http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9173 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9173 so nice that after i got hired at UNITED STATES STEEL in 1977 i was able to hang up my Kris 23+ with it's 7189 industrial tubes in it with the special cap put Mon, 13 May 2013 02:02:34 GMT old2way http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9172 http://groups.yahoo.com/group/tubetypecbradiocollectors/message/9172 Got a couple of them.I think one of the models was the first solid state.