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The end letter is often used by Hallicrafters in the EIA dating of their various receivers but it is not part of the EIA system. Not certain of its significance. Letters normally are A, B, C, D or E

Any idea what the letter means? Thank you for the info!

Oops typing error. Code is 199XYZ with X the last number of year and YZ is the week.

The EIA manufacturing date standard for Hallicrafters is 199XYX where 199 is Halicrafters company number, X is the last number in the year of manufacturer and XY is the week of the year. Dachis states

I would say you're right! A few of the reasons were that transceivers were generally used mobile, used primarily for SSB and any good Hallicrafters owner also owned a TO Keyer! (or maybe a Heathkit

I think The SR 150 tops the list of receivers. Note, a lot of people replace the FL1 and the carrier oscillator crystals in their 400's and 2000's with those from the SR-150. Walt Cates, WD0GOF

Thank you so much for the info. I will do just that and jumper it as suggested. its been a very successful morning on the sx100. Did manage an alignment and things seem to be working well. now on to

It would be better to stick a jumper wire in the correct pins of the socket. That way if you run across a plug you can do it right. Walt Cates, WD0GOF https://wd0gof.com/Hallicrafters A majority of

Walt, What do you say/think was Hallicrafters best ever transceiver? Happy Easter! 73's Pete W8AA? Sent from AOL on Android On Fri, Mar 29, 2024 at 7:17 PM, waltcates<cateswa@...> wrote: There

Keith, Cut a scrap of #12 wire and shove it in there for the short term.? Then, later, when you run across a relay or vacuum tube with octal plug, disassemble it and make the substitution. Cheers

I aligned mine the other day. I worked the Christmas Island DXpedition with my Yahoo ft 2000 on 10 CW and for grins decided to see if I could hear him on the SX-117. I did! Attached a short clip. So

Hi Paul – I have not seen the list, but, you need a 4D32 and not a 4B32. 73 - Mike Mike B. Feher, N4FS 89 Arnold Blvd. Howell NJ 07731 Sent: Saturday, March 30, 2024 10:49 AM To:

Not that difficult, Keith. See: https://www.tubesandmore.com/products/plug-8-pin-octal-tube-base-black-plastic 73, Jacques, VE2JFE in Montreal If a DC power plug is not available for the back of one

Find a dead octal tube, break off the glass, and use the base.

Hi Skip, First thanks Bill for allowing Skip to list tubes, I’m sure there are several of us that can benefit from it. ?I’m restoring my Collin’s 32V-1 and could use a 4B32 for the final.

?Absolutely yes. I added to a friend’s SX-100 (and SX-111) a three wire cord, panel mount bayonet fuse holder, and X1/Y2 safety caps on the incoming line and neutral. Dan WB4GRA

Also forgot to ask this as well.... Since these radios were never designed to use a 3 wire AC cord, is it wise to add one? I have read conflicting information on going this route. 2 of my SX radios

If a DC power plug is not available for the back of one of the SX series radios, is it safe to bridge across the terminals inside the radio? Think its pin 6 & 7 but dont remember for sure. Or a

I believe it was the norm for 1960s transceivers. The Collins KWM-2/A and Drake TR3/4 series transceivers were designed primarily for mobile SSB operation and have similar CW limitations. I recently

For sentimental reasons, I've been on the lookout for an S20 R model, and decided to take a chance on an Ebay sale of an "as is" unit.? The cosmetic appearance didn't look too bad, and the fact that