Re: Exotic Tubes offered.
Skip, I am interested in purchase of all your tubes. Might you please advise what you have available. Ship on my UPS account. Many thanks, Robert W4RRD 904 264 2946 a Land Line 1400 2400 Eastern Sent:
By
robert meadows
·
#30107
·
|
Re: Sprague capacitors variants
I have been examining the US EPA documents about PCB oil used in condensers. Sprague is stated to have used a PCB oil with trade name Clorinol, Cornell Dubiler used Dykanol, Aerovox used Hyvol, and
By
wekemp@...
·
#30106
·
|
Re: Exotic Tubes #2
Hi, Skip FYI - that Tung-Sol '4832' tube is likely a 4B32, a Xenon gas equivalent to the 872A mercury vapor rectifier. The 3BP1 CRT was used in the Central Electronics model MM-2 transmitter monitor.
By
k2orsfan
·
#30105
·
|
Re: Sprague capacitors variants
Thanks Jacques Nice that there are lots of catalogs, but as it work on my machine, CTRL-F does not work for me, so I gave up for now. Have you seen ¡°black beauty¡± on any metalized caps?, I am just
By
don Root
·
#30104
·
|
Re: Exotic Tubes offered.
Hi, Skip I could use the RCA CBC810, if still available. (Actually, I could use a pair if you have them). Is Paypal alright, or I could send a check if you prefer. For your info, the VT-136 on your
By
k2orsfan
·
#30103
·
|
P-2000 Power Supply for SR-2000 FOR SALE
Newbie here. Thanks for welcoming me and I hope this post is appropriate. Not tested, requires evaluation to determine condition and desired restoration. This is from the estate of a long-departed SK
By
Pat - W0YES
·
#30102
·
Edited
|
Exotic Tubes #2
Second list of tubes. I came by these tubes from a friend and now SK. Some are exotic looking and most will be hard to find references to. Price is $1.00 each for my dusting them off and packing plus
By
Waldo Magnuson
·
#30101
·
|
Exotic Tubes offered.
I came by these tubes from a friend and now SK. Some are exotic looking and most will be hard to find references to. Price is $1.00 each for my dusting them off and packing plus shipping cost which I
By
Waldo Magnuson
·
#30100
·
|
Re: SR2000 /SR400 RX/TX offset fix
Dave, if you move the carrier point you are just changing the pass band. Not the frequency. This would be like adjusting a PBT on icom or shift on yaesu. Only it works on TX also. On this radio and
By
W7WRX
·
#30099
·
Edited
|
Re: Hallicrafters in an old ABC News clip
The old ABC News clip appears at 12:38 in this Youtube video: https://youtu.be/zRdhoYqCAQg?si=4oJy76zQ7a5B9fOt
By
Bruce KX4AZ
·
#30098
·
|
Re: SR2000 /SR400 RX/TX offset fix
Very Cool, In the Yaesu FT-857 the radio had a feature that allowed the operator to adjust the Carrier Point for either lower or upper sideband in receive or transmit +/- 300Hz (p.97 of the operations
By
Dave Jordan
·
#30097
·
Edited
|
Re: Hallicrafters in an old ABC News clip
Probably a S-27 Bruce.. Paul N6FEG [email protected]> wrote:
By
Paul Thekan
·
#30096
·
Edited
|
Re: Hallicrafters in an old ABC News clip
That¡¯ll most likely be an S-27 (or maybe an S-36, later version of the 27). Would be interested if you have a link to where you saw this, or what season/episode numbers was it? Dale WB3BEF Sent:
By
Dale WB3BEF
·
#30095
·
Edited
|
Hallicrafters in an old ABC News clip
I noticed a Hallicrafters rig in an old ABC News clip that appeared in a recent Last Week Tonight episode covering the history of UFOs, back to the WW2 era. I am curious if anyone has a guess on the
By
Bruce KX4AZ
·
#30094
·
Edited
|
Re: SR2000 /SR400 RX/TX offset fix
Yes! I now have 2 hours of talk time on it. With the dd 103 counter, there is nonoffset and everyone is happy. C
By
W7WRX
·
#30093
·
Edited
|
Re: SR2000 /SR400 RX/TX offset fix
Great idea! 73/jeff/ac0c alpha-charlie-zero-charlie www.ac0c.com
By
Jeff AC0C
·
#30092
·
Edited
|
Re: Sprague capacitors variants
Don, Maybe it can help your searches or maybe not: there is a site where you can see all Allied Electronics Catalogues from 1929 up to 2015. Sprague and many other capacitors manufacturers listed
By
Jacques_VE2JFE
·
#30091
·
|
Re: 5T restoration - IF cans and R4 toasting
Calling this one complete.? I just need to add terminal posts/strip on the rear for the three antenna leads, not sure how they where originally terminated.? Only pictures I've seen show the three
By
Daniel K1DTS
·
#30090
·
Edited
|
Re: Sprague capacitors variants
Yet thanks Jim, it worked ! ,then¡ I went down the Sprague group looking for the 109p [ads from about 1955 to 1959] and I could not see ¡°109p¡±. those 109p¡¯s had HCX? and there seemed to be
By
don Root
·
#30089
·
|
SR2000 /SR400 RX/TX offset fix
These radios drop approximately 40 cycles on TX.? This is annoying in modern times. This drop happens in ALL modes.? I isolated the VFO from the radio and found the issue is the VFO itself. It's not
By
W7WRX
·
#30088
·
Edited
|