开云体育

The first of the series was the S 20R.? The S 40 was nearly identical electrically but restyled.? Probably the largest change of electronic design was the S 40B.? From the time of the S 20R, about

Sounds like this is a conduction cooled pin to help over all cooling at the bottom of the tube. -- 73/Rick WA6III __________________________________ No critters were injured transmitting with

The SX101 is an absolutely beautiful receiver! My SX101 Mk III? will be right next to my SX115 and will be used with an EF Johnson Viking Valiant on 160, 75 & 40! Pictures to follow! -- 73/Rick

The S-40 begat the S-85 which begat the S-108. Add an S-meter and crystal filter, and the S-85 became the SX-99 while the S-108 became the SX-110... Bill Halligan was a master marketer. He refreshed

Steve, ?Yes, the late 50's and early-mid 60's was what I would consider the 'golden age' of communications receiver manufacturing. The transistor had been invented in the mid-50's and was quickly

Bob, Thanks! Looked that one up. So -- it’s interesting that in between the SX-99 and SX-110, Hallicrafters produced the S-108, which appears to be the S-110 without the crystal filter and S-meter.

I also agree. Absolutely love my SX101A.

Walt, Thanks for the reply. Will this simulate the key line being plugged into the 2-NT? If I use this key line to supply the 12 vdc for the T/R relay will that work? I am currently using an external

AGREE!!!!!!? Lovely RX 73/jeff/ac0c alpha-charlie-zero-charlie www.ac0c.com

Nope- they started making the S-108 in 1959 (big year for me- I started 1st grade)! Bob K3AC

Fascinating how the SX-110 and the SX-99 are basically the same radio in a different cabinet. According to Osterman, the SX-99 was manufactured from 1955 – 1958. The SX-110 was 1960 – 1963. So

Oh yes.... that is one of the keynotes!!! Tnx. Jeep K3hvg

You forgot to mention the big horizontally oriented S-meter in the SX-99, which I consider superior to the narrow, difficult to read vertical S-meter of the SX-110. Bob K3AC

I still have my SX-99 from my early general-class days in 1959-60. The SX-110 is the same radio in a cheap cabinet (arguably easier to re-finish). Circular or slide-rule is the Ford vs. Chevy

Bob, Assume you mean the SX-100 Mark 1A. The manual and the schematic specifically for the SX-100 Mark 1A are on BAMA, but I’ve attached them for your convenience. Are these incorrect? 73 – Steve,

I have a SX-110 which I acquired used from Harrison Radio, NYC in the early 1960's. The top of the chassis is stamped: *Mark 1A* That is all I could afford back then with a paper route salary. I just

Interesting mystery. It looks like the HT-33B added a little center pin push on cooling thingie. HT-33A manual does not mention it like the HT-33B manual does (section 2.1). Looking at tube pin

That is a great observation. The company, Hallicrafters, recognized the change in design standards and all the new young Hams coming into the market in 1959, hence the S-107, S-108, SX-110. The older

When was the SX-115 introduced? Halli sure took a step backwards from "light, fast, and sleek" with that, didn't they? It was an odd exception in product packaging from the emerging S-Line and early

Hi Paul,? I'm in Warminster (18974) and would be interested in your Hallicrafters gear. I had the SX-101A / HT-32 combo and passed them along about 2 years ago - I've missed them ever since! I have