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Website Anniversary 11
Well believe it or not, its been 20 years, this site has been active and strong for Hallicrafters Radios. Started in 2005 as a lark, I am amazed that we now have 1,078 members. With thanks to all our Hallicrafters Experts on this site and they are experts for sure. Its been educational. Regards, and have fun. K2WH Bill's QRZ Biography
Started by Bill (Group Owner) @ · Most recent @
Missing page SR-2000 8
I have had several people contact me recently about a missing page in the online SR-2000 Operation and Service manual. Page 32 is missing from a most of online manuals. Very important, shows important alignment information. For the record I have found only one source that provides a complete manual. jptronics.org halli.sr-2000.pdf Walt Cates, WD0GOF https://wd0gof.com/Hallicrafters A majority of acceptance is not proof of correctness. https://wd0gof.com/bible-study/commentaries/
Started by waltcates @ · Most recent @
wd0gof site glitch
I had a glitch on my website today. 10 people downloaded the SR-2000 repair manual and got the old version. If you your download does not have "ver 8.51" on the front cover, try again. The glitch has been fixed. Sorry for any inconvenience. Walt Cates, WD0GOF https://wd0gof.com/Hallicrafters A majority of acceptance is not proof of correctness. https://wd0gof.com/bible-study/commentaries/
Started by waltcates @
SX-117 revision B to C 3
All: I have read the very good explanation of the different revisions to the SX-117. Mine is a post-B model, which means that the notch filter doesn't affect the AGC response. I am inclined to revert that part of the build back to Rev B so the notch filter behaves "correctly", but before I look at this I'd like your opinions on the wisdom of doing this. What do you folks think? Thanks, Dave Maples
Started by Dave MARS Maples @ · Most recent @
SX-117 run number? 3
I just recieved a SX-117 thatI plan to restore and put in service. It's serial number doesn't seem to match up with Walt's run list. I'm assuming that the first 6 digits are the serial number and the last are a sequence number Or is it the other way around? Help! Thanks, 73 Jack KZ5A
Started by Jack Brabham - KZ5A @ · Most recent @
S-85 (SX-99) IF cans alignment : What adjusting tool do I have to use to match the size of the cores' slot? 8
I am approaching the last task in my S-85 refurbish project: Alignment. For those IF cans I cannot find the right tool mechanically match those cores' slot: it is too long and too large. I own these tools, none of them fitting: I see two alternatives: 1) buy one (can someone provide me directions on where to buy and exactly what?), or 2) build one (preferable - can someone provide me the slot size specs?). Thank you very much guys. Emanuele.
Started by Emanuele Girlando @ · Most recent @
SX42 FM is "funky"
I now own an SX-42 I seem to be getting quite a collection here...... SX-9, S-19R, S-38C, 5R10, SX-100, SX-43 . Anyway, everything is working, BUT the FM is "funky". Aside from it being quite drifty, it also tunes station in strangely. I understand "capture effect" on FM, but it seems like there is very little tuning range between stations. I was using a little digital FM modulator today to place cd's and the radio was "all over the place". Any ideas? AM broadcast and shortwave are both fine :) Howard
Started by Howard @
HT-46 T3
This is a real long shot. I need a T3 for the HT46, part# 050-002146. It is the 15-meter transformer. AND DO YOU WANT TO HAVE FUN. I got the transformer out. I did it with a long break between each of the 4 terminals to reduce the stress. It is directly over the band switch and you do not have a straight at any of the 4 terminals. Walt Cates, WD0GOF https://wd0gof.com/Hallicrafters A majority of acceptance is not proof of correctness. https://wd0gof.com/bible-study/commentaries/
Started by waltcates @
S-38 recapping Query 11
I am in the process of recapping a S-38 that was given to me. I have not powered it up. It still has all the paper capacitors and non polarized AC Plug. It has 6 tubes and a BFO. It does not have the C-38 and C-39 silver micas that, according to my schematic, were added to later models of S-38. I have found an extra 0.2 @200 V paper capacitor connected between Pin 6 of 12SK7 tube and ground. Its condition is similar to all the other paper capacitors that I am replacing. As far as the physical location, one lead is connected to the same ground lug that C-36 uses. Should I replace it or not? I would greatly appreciate any insights and suggestions, as my experience with vintage radios is minimal 73, Barry W4LSV
Started by W4LSV Barry @ · Most recent @
SX-62 Part Needed 4
Hello. I am in need of a mechanical part for my SX-62B. The dial pointer travels on it and the whole unit moves side to side to allow for the dial pointer reset. Mine is pictured below and as you can see the pulley on the left is missing. I am looking to buy the complete unit. I will buy a junker if need be to avoid turning my current SX-62B into one. Thanks for reading, Markus.
Started by Markus Thomerson K5UFO DRO3 @ · Most recent @
Dow Relay for HT-44 4
I generously received a 117 v Dow relay to connect my HT-44 and SX-117. I’m now wondering if the relay contacts in the HT-44 (pins 2-3) control outlet connector are up to switching the 117 V to the Dow relay. Or should I look further for a 12 V Dow? Figure5 in the HT-44 manual shows the use of a 117 V relay. Any concerns or am I overly concerned? Thanks. Skip Magnuson W7WGM
Started by Waldo Magnuson @ · Most recent @
Ballast Resistors? Source? 11
Hello all, I am rebuilding a Hallicrafters SX-122. Two of the three ballast resisters are broken. Where do I find replacemets?
Started by Richard Oscoda @ · Most recent @
FS: Hallicrafters S-15 SX-15 (?) Sky Challenger Receivers, Spare Silver Sky Challenger Dial, Spare Hallicrafters Nameplate
I have two of these. Receiver #1: in poor condition, some missing electrical components and connectors. Enclosure is poor, with a meter hole cut into the front panel, additional non-original front panel holes. All controls are present and while a few are stiff, none are seized. Both main and bandspread dials function. Non-original hardware. Someone has worked on this one before and left a bit of a mess. This is a parts unit. Receiver #2: in better condition than #1, but still not great. Appears to be mostly complete (no guarantee on completeness), with some obvious work having been done previously (a replaced transformer, some replaced electrolytic can caps, an added Jones connector on rear, maybe more). Enclosure is complete with no extra holes in front panel. Non-original enclosure hardware. All controls are present and while a few are stiff, none are seized. Both main and bandspread dials function. This is a parts unit or, while it would take some work, is a possible restoration candidate. If it isn’t clear from the above, neither receiver is operational. No testing has been done on either receiver or on any of the components. No tubes are included with either receiver. I acquired these as part of a collection of other things I was interested in, and thought I might get to them someday. I will not get to them anytime soon, and I need to shrink the hoard, so off they go to someone who might, maybe, be able to make most of a good one from the two, otherwise both should useful as parts sources to restore other S/SX-15’s. Receiver #1 asking $30. Receiver #2 asking $55. Take both for $75. I also have a pretty good spare Sky Challenger silver dial; someone had lightly marked it on the back with "SX-18?", but it appears to be the same dial with same markings as on the S-/SX-15 receivers. Finally, I have a spare one of the small Hallicrafters nameplates (with the 4 little screws). Pardon the photo quality, the dial is actually nicer than it appears due to the crappy lighting I have. Offers considered on these, or we can negotiate inclusion with the receivers. Cash only, payment upon pickup at my location in York, PA, or at delivery at a local (to me) meet-up, or at delivery at an area hamfest if we are planning to attend anyway (we usually attend many hamfests within an hour or so of York, PA, and others like Berryville, and we're going to the Xenia OH "Dayton" hamfest this year). I will not ship the receivers. I will consider shipping the spare dial and nameplate if they are purchased separately, shipping cost to be paid by buyer. Inquire for more information, additional photos.
Started by Dale WB3BEF @
HT46 meter needed.
I need a meter for a hallicrafters ht46 transmitter. It was damaged in the process of being shipped. Please, can any one help?? message here or direct to rholstiaticlouddotcom replace at with @ and dot with . (period) Robert KH2BR
Started by Robert Holsti @
WANTED SX-146
Looking for a Hallicrafters SX-146; working or not, lone or buy. Walt Cates, WD0GOF https://wd0gof.com/Hallicrafters A majority of acceptance is not proof of correctness. https://wd0gof.com/bible-study/commentaries/
Started by waltcates @
Power distribution, was: 2-wire, unpolarized outlet ? 22
No, I read it correctly. You are proposing a distinction without a difference. The Edison system was developed to reduce the number of conductors and the cost in a power distribution system, a benefit applied equally well to both DC and AC systems. Might as well debunk another myth that AC is more efficient then DC in power distribution. The main losses in both systems is due to wire resistance but AC distribution also has reactive and skin effect losses that DC distribution does not have. AC power distribution is perhaps more convenient but it is less efficient. See: https://www.cencepower.com/blog-posts/line-losses-power-transmission-3-types Regards from a snowy Arkansas, Jim Logic: Method used to arrive at the wrong conclusion, with confidence. Murphy On Friday, January 10, 2025 at 11:53:47 AM CST, Donald J via groups.io <djeffarndt@...> wrote: You did not read that right It is similar but not the Edison system - the one we use is SIMILAR to the Edison split DC system! A split-phase or single-phase three-wire system is a type of single-phase electric power distribution. It is the alternating current (AC) equivalent of the original Edison Machine Works three-wire direct-current system. Its primary advantage is that, for a given capacity of a distribution system, it saves conductor material over a single-ended single-phase system.[1]
Started by Jim Whartenby @ · Most recent @
Another new member -- intro 14
I have just been approved as a member of this list and have been busy reading many of the posts to familiarize myself with it. I am not a licensed amateur radio operator but have been a SWL since high school in the Sixties. I "discovered" shortwave when my father let me fiddle with his 1936 RCA Victor 2-band consumer radio which he had purchased new. I found it in my parents' attic ca. 1990 and restored it. I own two Hallicrafters receivers--an almost-functioning S20R which I've owned for a couple of years, and an SX-28 (not an "A" model) which I've owned and used for over 30 years and which failed a couple of months ago. I intend to get both operating before long and will probably have a few questions about them for this list along the way. Looking forward to following many of the topics discussed here. Tom
Started by Allthumbs @ · Most recent @
Photo SX-23 by W1NJC.jpg uploaded 5
The following photos have been uploaded to the Hallicrafters Amateur Radios and Equipment - (ALBUM) photo album of the [email protected] group. SX-23 by W1NJC.jpg By: Bill (Group Owner) <k2wh@...>
Started by Group Notification @ · Most recent @
2-wire, unpolarized outlet ? 35
My house was built in 1955 and has several outlets that are unpolarized outlets. If I replace an outlet with a 2-prong polarized outlet (neutral opening larger than the hot opening) how do tell which wire is hot? Thanks. Skip Magnuson
Started by Waldo Magnuson @ · Most recent @
HT-46 2
Some time ago there was a topic about a frequency shift when switching from standby to transmit and a problem with the calibrate switching function for CW operation in the HT-46. Today I ran across a service bulletin addressing this issue. Guess where? On my website. I knew I had it somewhere, but the old gray cells sometimes don't function well. I guess I need a full re-alignment. Just in case the issue was not resolved, here is the bulletin. Walt Cates, WD0GOF https://wd0gof.com/Hallicrafters A majority of acceptance is not proof of correctness. https://wd0gof.com/bible-study/commentaries/
Started by waltcates @ · Most recent @
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