RE: [drakelist] R4C agc problem

2005-05-27 Thread Gerry
The AGC characteristics of R-4C receivers depends on the version of the receiver. There were at least two that I know of. Furthermore, modifying agc time constant was something that may individuals tried way back when. There were several articles dealing with that subject including one in

Re: [drakelist] If it works, don't fix it!

2005-05-27 Thread Ron Wagner
Ron Wagner <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- I am one who seldom does a replacement of any component unless I have a reason to believe there is an issue with the component. You need to start with a

Re: [drakelist] How to ruin a 6JB6 triplett

2005-05-27 Thread Eric Webner
I think its called PM (preventative maintenance). And I echo Evan's call to remember our fallen heroes this weekend. Make sure that your kids and grandkids know, too, how great they are and how proud they make us of them and our country, the United States of America.   73 to all,   Eric KA8FAN[EMAI

[drakelist] TR-7 Transmit / Receive Problem

2005-05-27 Thread RadioMB
Hello Drake Guys,    I am new to the group. I have a problem I hope someone can help with. My TR-7 (that I bought new) has an intermittent receive/transmit problem. When I push the PTT on the sideband mode the TR-7 will not go into transmit. If I try closing the key in CW mode again it will not g

Re: [drakelist] TR4cw RIT

2005-05-27 Thread Eric Webner
So why isn't North Carolina called a "commonwealth." Seems like every bureaucrat has their hand out waiting for payment on some ridiculous tax, fee, etc. 73, Eric   "D. Vaught" <[EMAIL PROTECTED]> wrote: As usual, my bag of cash lacks $1290 of the $1299 - spent the last of those $10.00 bills

Re: [drakelist] URL website (continuation)

2005-05-27 Thread Allen \(Marty\) Martin
"Allen \(Marty\) Martin" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Carel, Very nice work. Congratulations on a nice job. Marty - Original Message - From: "Carel, PA0CMU" <[EMAIL PROTECTED]> To:

[drakelist] URL website (mirror site)

2005-05-27 Thread Carel, PA0CMU
"Carel, PA0CMU" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hi all, Due to limited ammount of traffic that is allowed for my website, I asked my son to set up a mirror of my main website (which is located at

Re: [drakelist] OT how do tubes actually work?

2005-05-27 Thread Raymond Babbitt
"Raymond Babbitt" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Low emmission results from several causes. One of these causes is cathode stripping, which is caused by the plate voltage being apllied before the

Re: [drakelist] If it works, don't fix it!

2005-05-27 Thread Raymond Babbitt
I replace All electrolytics (shelf life: ten years if re-formed regularly; every year or so. Do not let your gear sit idle for more than a few months). Also, final coupling caps can and often do terrible damage. Replace as a default. Check all carbon comp resistors in circuit; if one or more

Re: [drakelist] OT how do tubes actually work?

2005-05-27 Thread Bob Henderson
"Bob Henderson" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Ah, memory lane..if my memory serves me well. In thermionic valves electrons are taken from the metal cathode, though these are immediately re

[drakelist] URL website (continuation)

2005-05-27 Thread Carel, PA0CMU
"Carel, PA0CMU" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hi all, I just saw that the access to my homepage is denied by the provider. An 'Error 403 page' is shown in stead of my website. There has been to

[drakelist] If it works, don't fix it!

2005-05-27 Thread carlobianconi
Hallo Drake people, I've seen several comments to my mail about a simple way to destroy 3 6JB6 in a few minutes. It seems to me that there are two distinct way of thinking:   The first is " If it works, don't fix it" The second, " when you buy an old tube radio, change this and that componen

[drakelist] OT how do tubes actually work?

2005-05-27 Thread Ron Wagner
Ron Wagner <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Okay, I am forgetting my electroinc physics classes I guess. One of the links here on the Drakelist took me to an old copy of an RCA tube manual. Looked

Re: [drakelist] need help cross referencing tubes

2005-05-27 Thread Russ Hines
Russ Hines <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Evan, sounds like you got a box of extras. But if you check my tubelist at: http://www.wb8zcc.com/tubelist.html That might give you some direction. My

[drakelist] Need Knob For Drake 1A

2005-05-27 Thread W9zr
By any chance does anyone have a 1A receiver parts rig?  I need one of the large knobs as used for the bandswitch and main tuning knob. Were those knobs used on any other ham gear other than the 1A?  I seem to recall seeing them on a Eldico maybe?? Any help would be much appreciated! 73 Randy

Re: [drakelist] How to ruin a 6JB6 triplett

2005-05-27 Thread k9sqg
Yep, if it isn't broken, don't fix it.  If your car still has oil in it, why change it?  If your antifreeze is 5 years old, just top it off, why change it?  If the wheel still turns, why grease it?  If your blood pressure is high, why take prescribed meds to reduce it?  If your furnace still heats

[drakelist] Tube Information

2005-05-27 Thread Larry Walker (KW4A)
"Larry Walker (KW4A)" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Try one of these this on-Line Tube reference manuals http://hereford.ampr.org/cgi-bin/tube http://www.kbapps.com/tubemanual.html Gud Luck, L