Dear Brian, I forgot to ask you. IÂ have been looking for a Scientific ? crystal I believe was the name of the company that Leo Meyerson W0GFQ owner and...
FOR SALE: ANTIQUE HAM BAND CRYSTALS - for less than $2.00 each. Military surplus crystals from the Golden era of radio. Build or restore something true to the...
Just an update: I am having a lot of good contacts with both my AC-1 and GB-1 (6L6 with regulated screen) on forty, eighty and one-sixty. I am glad I have...
I have to nip this in the bud. Comments such as have appeared in the last 3 posts are not in the spirit of this Group. I have allowed the seller to retort...
how much dollars how much partial ernest ... Hello to all: My apologies to some of you who have sent me orders on the partial kit. I have not been able to work...
Hello to all: My apologies to some of you who have sent me orders on the partial kit. I have not been able to work on them due to some unfortunate domestic...
FOR SALE: ORIGINAL W2-era FT243 CRYSTALS For those who are interested in having the original FT243 crystals with larger quartz stones inside - I offer the ...
Bryan; Would you have these crystals (all are in Khtz): 1695, 1815, 1790, 1140, 1150, 1160, 1240, 1230, 1360, 1350, 1300, 1530, and/or 1340. Thanks, Dennis ...
Welcome Ken, I used a Bud 6x8x2 aluminum chassis for my clone. Mouser p/n 563-AC-1413. You have to punch and drill it to mount everything though. There are...
Greetings folks: I just found and joined this interesting list. I like to build tube stuff, and qrp items. Sometimes they work and sometimes they don't. But I...
Regulation of the plate voltage isn't necessary, just put a VR tube/s on the screen grid. Ron, K5DUZ ... From: Joe Fell W3GMS To: amecoac1@yahoogroups.com ...
Yep, that will obvisously eliminate any race condition which may have occured if you would of enabled/disabled the bleeder as you were keying. I guess your...
Race conditions won't be a problem here. I don't plan on concurrently keying the bleeder with the operator's keying of the xmtr. Instead, it will be an...
Cal, My only concern would be a potential time race condition on the voltage stabilizing at the time the high current bleeder is switched in against the keying...
All: I'm in the process of designing another AC-1 type of transmitter. It will use some higher power variation of the 6L6. I was thinking about some older...
Thanks for the info. I am using two single section 400uf variables.........it is sitting proudly in my shack...I will post some pics soon ... From: sigcom1...
Jon, According to the G.E. tube book I have here, max. Ip is 46 mA in Class A with 250 Volts Ep. They don't give ratings for Class C but I'd say you're...
I just checked the plate voltage and it readas about 260 under load and the plate current is 42 milliamps....I am sticking with the transformer I have, I know...
Jon, That's great news, congratulations! 6 Watts is very good output at that B+ Voltage. Sounds like you did a good job. 73.......Steve Smith WB6TNL...
I stripped out the components going to the grid and plate from the power supply and redid the wiring a little different. Whatever I did it works now. I am...
With the rig powered down and the HV blead down, measure the resistance of your RF Chokes. The chokes in my AC-1 measure 60 Ohms. I would say that if yours...
The plate of the 6V6 has a large amplitude R.F. signal present.... or it should. You're not going to make an accurate DC measurement at this point with a VOM....
Not the best transformer, possibly need a larger filter cap, and/or your plate choke uses too thin of wire or cathode choke in keying line too small). Some...
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