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P.S. Place the torroids as close to the speaker itself, as possible.

Two things... 1) Make certain that there is a SHORT ground lead (copper tubing or flat copper braided strap is best) directly from the LOW PASS FILTER ground lug, to an 8 or 10 foot station grounding rod. If you did not efficiently GROUND the low pass filter, it is basically useless. You need...

Quote: "which by the way are seldom if ever a problem in properly installed ground mounted arrays." This particular installation is not ground mounted. The base of the antenna is going to be 20 feet off the ground. Quote: "If you're talking about a groundplane antenna, where the...

This is a subject that has confused me in the past, and I still don't think I understand this correctly. I've heard the term, "isolate the antenna from the support mast", many times before, but never understood HOW this is intended to be done. What do you do? Wrap electrical tape around the end...

How do I recover the feedback for the sales that I've made in the swapshop, before they changed the way feedback was given? I had 6 sales, all of them with excellent feedback. I come back here after being gone for about 6 months, and they have changed the system. Now my feedback is simply...

Hi... I did something really stupid the other day, and I'm not sure how to fix it. I'll try and be as specific as possible, hoping that someone (maybe Freecell?) can help me out here. I have a Cobra XL-450 amplfier that I really like. It has always worked extremely well, until I did...

Yup... I'm just trying to avoid speculation, arguing, and the armchair technition syndrome. I'm looking for facts, not guesswork. At any rate, I have since found out that the variables in the amp are not capacitors at all, but potentiometers instead. I am carrying out this discussion...

Hi... I've tried to get some help with this, but no luck so far. So, I thought I'd see if someone on THIS forum can help me out here. I have a Cobra XL-450 (an awesome little amp, by the way!), and I was wondering if the two variable capacitors inside it are for the input/output tuning...

Hello.. and thanks for the replies. Preferably, I'd like to have a situation where I can run any power level (stage) that I want without dimming headlights, and otherwise taxing the sytem. I don't want to end up stranded with a fried alternator ever again if possible. (of course, that could...

Hello... I'm going to post this question in several catagories so that I can get the best number of responses possible. Here's my specific situation: I have a '96 Nissan Sentra with a stock 75 amp alternator. I'm presently getting ready to install a Cobra XL-450 amplifier to run...

Hello... I'm going to post this question in several catagories so that I can get the best number of responses possible. Here's my specific situation: I have a '96 Nissan Sentra with a stock 75 amp alternator. I'm presently geting ready to install a Cobra XL-450 amplifier to run behind...