Lou, Check with Elecraft first and ask for a support person first before shipping the transformer. They will tell you if they need it in order to repair your unit. Most cases they do not.

I wish when I was issued a Return Authorization number, availability of shipping box information should be attached for the model in question. Too late for me. I am going to FedExp to

https://elecraft.com/pages/shipping-box-sets-item-return-for-servicing Here's a link to the order page, for different boxes.

I offered to pay for shipping cost between Cal and Fl for the box they will use to return my repaired KPA500 amplifier. I haven't received a reply. COVID or the Forrest fires may be responsible for

They sell the shipping boxes Chuck Jack Hawley KE9UW Sent from my iPhone, cjack

I asked customer support but never received a reply. Lou KE1F Sent from my Galaxy Tab® A

Yes they will. I’ve done it a couple of times. Ken K6MR

Hello Joe (W4TV), Looking at the AF filters on p. 28 you will find that the schematics and the component values and types are exactly the same as in the circuit diagram on p.35 except the part

All, I wonder if Elecraft would sell to its’ consumers the boxes and packaging material that would fit our radio, amps and other Elecraft products? Best regards, Jerry, W1IE

Look for Drawing “ K3: AF Filter “ WA6VAB Ray

I believe the inputs connect to LHPOUT and RHPOUT on page 29 with the outputs connected to LHPOUT and RHPOUT on page 28. 73, ... Joe, W4TV

Lou: Before you go down this rabbit hole, why not call Elecraft and see what they say about the advisability of removing the fan and the transformer? I presume you’re returning the unit for repair,

Hello All, I am refering to the K3 Schematics at https://ftp.elecraft.com/K3/Manuals%20Downloads/K3_Schematics_Jun_2010.pdf. On page 35 (K3: AF Filter) the two inputs to the filters are TP1/AFIN1 and

Thank you guys for sharing your experiences with me. I managed to remove the transformer which is 12.8 pounds and now my KPA500 is a light weight, only 11.8 pounds. Makes it much easier to

Good day, one and all. I finally got my K3 working with WSJT-X/RumLogNG running on my macOS box and connected via the microKeyer II sound card to the K3’s line-in/out connectors. It took some

I had to ship my factory built KPA500 back to the factory for warranty service twice in the first year. The first time, I used the original packaging. They returned it to me in new packaging,

Gotta be internal eh? Open it up and look at the solder connection for the DAH on the paddle input. 73, Charlie k3ICH

Hi Rich Measure the connection from paddle to RFC3 and RFC4 at the main board within the K3. You can also measure to pin 4 and 5 of the front panel connector. That will show yes/no proper connectivity

My KPA500 came as one piece ! 73 de Bill WW5M

In response to Quin and Jim's suggestion, I have just cleaned the paddle contacts. No joy, unfortunately. Still no dahs. Has anyone else had the problem and traced it down to an internal problem? 73