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Jim, I would be interested in the article if it's not too much trouble. Ken, an excellent alternative would be the Johnson 250-39 T/R switch. These are available on Ebay and here's a link to

A scope on the + 150 VDC line from V20 to R183 on the Audio Board showed excessive ripple on 40, 15 and 10 meters. Adding a 100 uF capacitor from R183 to ground removed completely all hum and

A scope on the + 150 VDC line from V20 to R183 on the Audio Board showed excessive ripple on 40, 15 and 10 meters. Adding a 100 uF capacitor from R183 to ground removed completely all hum and

*(SOLD)* I have an MS-4 speaker for sale I recently acquired. I have tested it and it sounds great to my ears. Please note the cable has been spliced and put back together at some point. $35. plus

Ah… Yes, also, please show an asking price, how you wish to be paid, and as many ways to contact you. And any shipping information….. Again, Thank you! Group Management Sent: Thursday, February

Hi Gene! No problem advertising your Drake Gear here, but we do ask that all equipment sales be accompanied with very detailed pictures of the pieces being sold, showing things like the condition of

could it be the lf/vlf converter bd.? Mike?K8SYN

I only see these two holes in R-4B chassis. I have my personal one, a parts unit and one that I’m working on and they all have the two holes but no board there. It appears that it connects to T11 to

A colorimeter is a useful tool for this sort of work: https://www.amazon.com/dp/B0B1357NYF I used it to measure the cabinet of my Signal/One and order touchup paint. The color match is flawless. It

Scott, If you want to try your hand at repainting, here's a guide you can use. CABINET REPAINTING BASICS ( https://www.wb4hfn.com/DRAKE/DrakeArticles/TechTips/CabinetRepainting.htm ) 73's, Mark,

Hey, anyone interested in buying my kit? ;-) Steve Wedge, W1ES Time flies like an arrow. Fruit flies like a banana. Sent from [Proton Mail](https://proton.me/mail/home) for iOS

*For Sale:* The following *Drake B-line* equipment and *extras* will be For Sale at the *Algonquin (Marlborough, MA) Flea Market this Saturday Feb 15.* Location and time details here: Algonquin

Thanks Gary! I took out the two screws and see the bulb. Has nothing to do with the display, which gets its marching orders via the injection circuitry. Scott N1IA

It looks like it has an extra hole bored in the back next to the accessory socket. It does look like a Drake board, could it have come from an R-4 or something? I think the R-4 had an extra pot for

Scott, All T-4XBs have those screws, they hold on the neon bulb that shows when the PTO is being used. The digital dial is a mod, anything goes there. 73, Gary WB6OGD

Barry: I may have what you need. I will try to check today to see and will send photos if I can accommodate you. Send me your email address otherwise I will send via the group. David Assaf III W5XU,

Hello: I am trying to remove the front cover on a T4XB in order to replace it. This particular T4XB has a built-in digital display what appears to be some kind of metal sensor with a wire connected to

Hopefully , there will be 87,000 fewer IRS agents soon enough! I don't have a clue how to establish a tax basis for stuff I've moved through Ebay.?? I've also not supplied them with my SSN so far.

This is starting to look like an accessory. Anyone else have a full catalogue of accessories from this period? Steve Wedge, W1ES Time flies like an arrow. Fruit flies like a banana. Sent from [Proton

Hi Jim Thanks, I have the board on extenders there is +10 v present and some minus voltages. Its very possible that the boards molex is really badly crudded. The pins seem OK. Maybe the board molex