ANOTHER FINE PRODUCT MADE IN CHINA! ************************************************ U.S. Consumer Product Safety Commission Office of Information and Public...
And we thought Mattel Toys were bad! 73 Mike W5RKL ... cooperation with the firm named below, today announced a voluntary recall ... recalled products...
Hi All, I have an SB-101 that works well. One exception is the fact that after somewhat long transmit the receive will recover slowly and the S-Meter...
From what I understand, based on what you have stated, the problem occurs in LSB and USB, more so in LSB than USB. I also understand, again based on what you...
Hi! I was lucky enough to pick up a non-working HW-101. After checking it out, I'm suspicious that it was never completed as a project and never actually...
I did read it with a VTVM. It DOES exist on USB (noticably) but is even more noticable on LSB. I have ordered a 6BN8 to try that too. I have checked...
6594
John
ve7day@...
Jul 5, 2008 11:02 pm
I remember having this problem years ago. The tube sockets may accumulate pollutants and cause high resistance between the pins. Not a bad idea to clean this...
... out, I'm suspicious that it was never completed as a project and never actually operated. A few components here and there aren't even attached, and have no...
"I know that larger power tubes, like the 3-500Z, have getters on the anode, and heating up the anodes for a few hours activates it." The 3-500Z does have a...
It's my undestanding that the getters are fired off with emp (Large magenetic field) Check Sam's FAQ for info on this.... As for the 6146 - If you have a good...
Induction heaters often were used to heat the little "boat" that held the gettering metal. <http://www.thevalvepage.com/valvetek/getter/getter.htm> has some...
Friends: Check out the Kenwood Hybrid Users group on Yahoo TS520/820...they have excellent Files on the 6146 tubes and are super helpful. Have an HW101 here...
Glen Zook, K9STH, has a very informative article that describes, in detail, all you need to know about the various versions of the 6146 tube. Link provided...
Hi John, Boy!!!! This is a stinker of a problem, isn't it??? Sometimes it makes a person want to get completely away from electronics ------ nah!!!!! Never...
Just another thought occurred to me today when it again happened while operating.... During transmit the screen cut off for V4 (or V3 not sure as I'm not...
Greetings all. I have been pondering a question or two in my mind with the results being this note. I have finally got around to start work on my monitor, but...
... decent vacuum setup. Thanks. That's exactly what I needed to know. I'll have to check out the gettering and see if it's still silver or if it's milky. I...
Hi Bill. I'm not familiar with the HO-5404, but, in the case of most of the older equipment I work on, changing out all the electrolytics is a good thing to do...
Be carefull of what you buy from e-bay. You could spend $15.00 each and get 6146s that are worse off than the ones you have. You might be better off buying...
I don't know if anyone is interested, but Radio Daze (primarily dealing with antique radio) has a stock of some of the last 6146Ws that were made (1987). The...
Since these were selected tubes, could it be that any pair of these would be sufficiently matched? It would explain the price of the matched pair being double...
RF Parts has 6146s, matched pairs, Bs and Ws in stock, the chinese 6146s are $19.95 each. http://www.rfparts.com/tubetran.html 73, Ricardo, W3/HK4BHA ... ...
I buy them (make sure to specify NOS, New Old Stock, matched pairs) from Antique Electronic Supply http://www.tubesandmore.com/ By specifying matched pair...
During initial tune up 2MA applied to drive. When I move the grid-plate switch to plate and tune-operate switch to operate the meter pins...should be...
When the meter pins, does the final tube's plate start to turn red or show color? Check the 6DQ6's screen resistor. It should measure 50K and rated at 10...
OK so i am getting ready to use my sb620 with my drake 2b does anyone no the inductance range of the coil L2 p/n 40-590 if i have to i will make my own but i...
