[drakelist] 12BY7 solid tube help needed

2005-03-21 Thread Jim Pruitt

"Jim Pruitt" <[EMAIL PROTECTED]> made an utterence to the drakelist gang
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Does anyone happen to have a drawing for the 12BY7 solid tube or how to make
one?  I have the April 1977 issue of QST article that Howard Sartori wrote
before producing the Solid Tube for the Drake 4 line and Collins rigs but
have no info on the 12BY7 driver.  Does anyone have any information on the
solid state version of the 12BY7?

Thank you.

Jim Pruitt

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[drakelist] FS: Drake T-4XB Xmtr with 8 pics, Needs TLC?

2005-03-21 Thread RLucch2098
Hi All;
I 'fished" this xmtr out of my closet, been there for years.
I borrowed a supply from a friend and was bringing it up on a variac when at around 80vac or so, the supply started to Hum/vibrate.
All was in standby or NON-x Mode, so there was it was not in xmit that I know of.
I was thinking there was a short or something in the T-4XB, besides my friend was concerned for his supply, so we stopped!
So I decided, rather then fool around with it & make it worst, was to sell it to someone who needs a project.
I did remove the covers to look around, all was intact & complete except for the last picture of a small Circuit board next to these 3 white power resistors.
The Wire wound Choke(?) is split, a few wires on the board are discolored(where hot?).
Anyway, the cabinet has a few minor scratches on top, there is one area on the side & bottom where paint came off because of Tape. Where do people put tape on thier gear, argh!
Bottom has correct feet, all screws are there.
All correct knobs, Front panel is in Very good condition.
The meter is ok, a vom check "made the pointer move test"!
I'd hate to tear it apart & sell it in pieces, so someone rescue it pse, hi!
I would like to get $150 + UPS from 11735(22lbs).
Pics:
http://www.myradioroom.com/t-4xb1.jpg
http://www.myradioroom.com/t-4xb2.jpg
http://www.myradioroom.com/t-4xb3.jpg
http://www.myradioroom.com/t-4xb4.jpg
http://www.myradioroom.com/t-4xb5.jpg
http://www.myradioroom.com/t-4xb6.jpg
http://www.myradioroom.com/t-4xb7.jpg
http://www.myradioroom.com/t-4xb8.jpg

Tnx & 73...
Rich WA2RQY