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Rewind choke Check the wire size and go to Radio Shack and get as close as you can. Strip off old wire super glue the core back together then rewind with your new wire. Good enough. Monk

Don't Tease Us HI, If you mention a factory upgrade in your post include the upgrade. If you mention a voltage regulator upgrade post it! Thanks Monk

Wanted parts to build Power Supply for 2x6 or2x8 Try RF Parts or Westgatelabparts

Transformers for Mobile AC Tube Amplifiers Call or email Peter Dahl. He can make any type of transformer you want. Most modern automotive alternators are three phase so you will need a three phase transformer to step up the AC voltage from the alternator. Once you have steped up the voltage...

Thank you mrcoily. You have made it right and then some! I apologize if I threw the as new, with all paper work, tube tester for $50.00 at you. I didn't know that this was a high pressure sales technique. I am very sure that if you posted it here on this forum with pictures you...

Phantom 13 tube by mr coily Now if he would just pay me for the tube tester I sold him on credit to test the tubes in the phantom. First time I met him, I trusted him, still no usps money order been almost a month. Man! Monk

Sonar BR-21 Hi, I've got a copy of the manual with schematics. Monk

Norm, I mounted it just like the regular final, no leg twisting. I used the insulator, grease, and collar. I didn't think the 510's went this far into the HF until I ran across an article on the web about eight 510's on 6 meters. The guy built a amp using four of the mosfets in parallel...

2sc1969 mosfet replacement I've put an IRF510 mosfet in a Cobra 25, cost 50 cents. I had to change a couple of caps and put the tuning slugs back in the coil forms. It's dead keying 4 watts and swinging to 17. The IRF510 is rated at 100volts so my next mod is bypassing the 13.8 volt supply to...