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Thanks Jim, loads of great info here, just what I needed. Your Dahl choke is a beast, wow, I thought mine was a monster, but life has taught me that somewhere, there will always be a man with a bigger

Actually, I applied for membership to that group a few weeks ago, but still haven't heard from a moderator either way. Have been trying to read through the "back issues" of posts in the Archive, but

Hi, I am? looking for Bandswitch Rear Wafer? E4C-N18 for my Alpha 78. Anybody in the group either has one for sale or know where to buy it? Thanks 73 de Arturo, LU6ETB

Dr Alex is alive and well. I bought and paid for some doorknob capacitors just yesterday. I try not to shop anywhere else. 73, Alek VK6APK.

I saw those 4 uh? roller coils. I didn't get an answer back from Dr? Alex as to? what ga wire was used, or condition of them.? I have never ordered anything from him...so have no clue what the

I just did this recently.? I bought a used Dahl? choke (4H,? 3 amps CCS, and 15 kv rated). Weighs 127 lbs and uses the same hypersil core as the Dahl 10 kva plate xfmrs...which also weigh 127

There is an Alpha group here on "Groups.io", rather specific to the 9500, but I've seen inquiries regarding other Alpha models. In addition, Glenn Pladsen (AE0Q) often posts replies to issues posted

I've built many EHT supplies over decades but have always used capacitive only, ripple-filtering. Sitting below my desk for many years, is an inductor rated 7,500V, 0.85A CCS, 10 Henries. It came from

RFP will not sell 3-500Z tubes to overseas buyers but I bought 4 of them through their Ebay store, no problem. They will send them anywhere in the world. Go figure. 73, Alek VK6APK

There are Russian 4?H roller inductors.. They are available at Dr. Alex, UR4LL: <http://www.ur4ll.net/IMG_0676.JPG> 73 Peter, DJ7WW From: [email protected] <[email protected]> On Behalf

Thank you for this write up. 73, Dave, w6de Sent: 18 February, 2024 17:22 To: [email protected] Subject: Re: [ham-amplifiers] Ameritron Plate Chokes

##? No they don't.? I just recently bought 2 x of the ameritron chokes from? RF parts. ( 2-3 yrs ago).? ?ONLY on some selected items, ( and that choke is NOT one of em, as of 5 mins ago) will

Almost every plate choke I see in an ameritron that comes in for repair is not wound properly. I always ask if they had used on 17 meters when I see a fried one , answer is always yes. I tell everyone

Dunno mate. we're pretty much accustomed to paying double for everything in this part of the world, so we don't worry too much about it. Guess I'll hear from Tom when he fronts for work this week.

Alek, How much will it be for them to be shipped to you? Bob W4JFA [email protected]> wrote:

Merrit Arnold’s wife took over and lots changed. I send my customers to penta now have for months. If ever a tube issue replacement is quick. Nothing against rf parts , my customers get the whole

Thanks Robert. There are numerous reports that a batch of the chokes were burning up on 17m. Anyway, problem solved, I have emailed W8JI with a view of purchasing a few of his. 73, Alek VK6APK

Interesting I've installed the RFC3 in AL82, RFParts 3-500 with 1600w out into Navy surplus dummy load. Tested ALL bands including warc. Never noticed an issue. Solid. Same with Alpha 89 with RFC3

It is probably because of the paperwork blizzard to send something when customs are involved. It appears to be different for each country. I personally have only sent things to Canada and Australia.

Is it because you just can't see us from up there...?