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I am having hard time finding a power transformer to my homebrew power supply. I want my power supply to idle about around 18-20 volts but no higher than 20. I tried a regular 12v transformer but it idles at around 15.8 and drops to 11.5-12 volts while keyed. The transformer was 1 kva with...

Does anyone have any plans, schematics or even photos of the inside of an unregulated power supply. I understand they are pretty simple to build and I would like to build a 75-100amp model. Thanks in advance

Anybody know if I can swap out a Tripp-Lite recitifer (70ct01p) to something else? It will not hurt the power supply will it? I believe the bridge rectifiers to be bad but tripp lite sells them for 20 each when you can find others of equal current rating or more for less than 10. Whats up...

Im curious as to how impressive the signal increase will be when changing combo's as follows dead key 90 swing to 250 upgrade deadkey 250 swing to 700 Hoping to make a noticable increase on the AM band.

This has actually been a great amplifier until lately. It contains 3 30kd6's and is transformerless. The tubes were getting pretty flat then suddenly it popped. I have a total of 4 resistors out. They are the same in pairs and I have identified one pair but no luck with the others. I removed one...

I picked up a Tripp Lite PR-60 power supply for free from a friend. I was told he tightened the postive lug down accidentally grounding it then powered it up. The unit does power up but I only see about 1.5v DC output. I do not find any burnt components inside the amp........ I think with a...

I am wanting to install my 2950 in my 05 Silverado but have no idea where I should mount it or how. I want the install to look clean. I do not have the center console or I could some how mount it in there. I have thought about just using a floor mount but I have no idea how it would look...

I have an opportunity to pick up either of these 2 radios for basically 125.00 They are both in excellent shape and have been unlocked for cbs also............ what my real question is though which radio is better? I know the dx has a wider range of frequencies it can be used on but I cant...

I purchased a used d104 not knowing there was a difference with this one only having 4 wires. How do I correctly wire this mic to work with the grant xl 5 pin configuration? Thanks guys