Drake t4x transmitter modifications
http://www.wb4hfn.com/DRAKE/DrakeArticles/HiFi_AM_T4X.htm WebNov 12, 2012 · The mods Steve pointed out work very well. I modified my T4X 2 years ago. I am very pleased with the results. The only change I made to Chris and Tom's mod is to …
Drake t4x transmitter modifications
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http://www.wb4hfn.com/DRAKE/DrakeWhatsNew.htm WebT4XC Modification: Cut the resistor R63 off of pin #7 of V7. Tape up the loose end of R63 to prevent it from shorting out later on. Mount a 1K ohm pot on the rear chassis in a spare RCA plug hole. Run a wire from the …
WebThe RA-160 is a plug-in relay adapter kit for the Drake T-4X and T-4XB transmitters. The kit allows you to replace the original chassis-mounted relay (no longer available) with a new plug-in style relay. The kit consists of an adapter PC board, relay socket, new plug-in relay, relay clip, hardware, terminal strip, hookup wire, spaghetti tubing ... WebThe Drake T-4XB is an HF amateur band transmitter covering 80 through 10 meters. Four additional crystal sockets are available for 500 kHz ranges from 1.8-30 MHz (except 2.3 …
WebThis T-4XB transmitter was advertised on a local Shop & Shop by a seller who lived out of province. The seller claimed there were no issues with it and worked fine but when it … WebDrake T-4 Line Circuit Modification for High Fidelity AM, by: Thomas Cathey / K1JJ The “RAC” Digital-Dial for Your Old Boatanchor, by Jeff Covelli / WA8SAJ Add Two More …
WebMy goal here is to marry the Drake T-4XC to my SP600 rcvr. and a Drake L-4B amp I have on the shelf. I really like the Drakes' layout and mil. spec looks Below are several mods that improve AM performance ie. by-passing the variable carrier level, tube substitutions, etc. Screen modulation is what there is to work with here short of bull dozing.
WebNew Member. Joined: Jun Sat 29, 2013 10:05 pm. Posts: 5. I was recently given a pristine-looking T4XC transmitter with the matching power supply. Everything checks out good when verifying the resistance and voltage charts in the manual. On a dummy load, I can get 100W out on 40m and 80m, although I have no idea where I'm transmitting as I can't ... crab skinWebJun 26, 2024 · NO modifications are needed to either the T-4 (any) or the TR-4 (any) to use the 6GJ5s. Pin 3 in the Drake 4 Line transmitters is the cathode of the final tubes. Pin 8 in the transmitters is grounded at the socket. With 6JB6s, K is connected internally to Pin 3, and G3 is connected internally to Pin 8. استعمال تلفاست 120http://www.k5dkz.com/t4x6146.html استعمال بونستان فورتWebOct 26, 2016 · Drake T-4X Transmitter crabsnakeWebDrake Mods - Prices ... The following represent a sampling of the prices of various Drake equipment at the time they were sold. These are actual dealer prices and therefore there will be some variation. ... CW 129 T4X Transmitter 399 T4B Transmitter 495 T4C Transmitter 699/599 AC4 Power Supply 150/120 DC4 DC Power Supply 195/165 DC3 DC Power ... استعمال تلفاست 180http://amfone.net/Amforum/index.php?topic=24654.0 crab slim myelomaWebBetween the T4X and the T4C there was little difference. Most of the changes in the T4C from even the T4X were cosmetic or for better operator convenience. The B series used … استعمال بيتا سيتوستيرول