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I have heard over and over that Maco makes a heavier duty beam and thicker aluminum but a lot of folks use a T.V. antenna rotor on the Sirio 3 element because it's so light. I just can't afford a Rotor that costs more than the beam. Thanks for the replies 73's
I'm wondering if anyone can tell me why Sirio 3 & 4 Element beams have a lower DB gain than MACO beams? Does the DB gain effect power multiplication? I just wonder if the MACO is worth the price? I keep hearing the Maco is built better than the Sirio?
I've been asked to help someone who inherited a very large collection (over 20 pieces) of Hallicrafters and Heathkit Ham gear on the market for her. Her grandfather passed and left it to her. He had a huge radio shack with all the before mentioned gear. He had an Oscilloscope, Hallicrafter...
No offense but I know the model #is not the output dude, I've been in radio since 1977 I can look at the theoretical output (80 watt transistor) times four and subtract according to duty cycle to keep heat at a minimum. If this box has MRF455's they are 60 watt transistors the MRF 454 is 80...
I was lead to believe this was a 450 (model) and had 1446's...., as soon as I popped the hood and saw the Motorola logo I knew It was not. All it says on it anywhere is "Magnum by Palomar" I'm going to find out if it has MRF455's (60watt) or 454's, the 454's were used in the "magnum 450" and...
This has NO markings anywhere, not on the back or inside. I don't know but I've read that these were made in Mexico? I'm going to post some pics, I'm hoping one of the techs could tell me if it's A/B biased. It has a SSB switch but that could just be relay I've read. Also, does anyone know what...
The "Magnum" by Palomar (450) arrived. First thing I noticed was the power cord, NO fuse holder so I'm not testing it till I can get out to go get one. I popped the cover and it's internally fused w/40amp fuse but.. The power cord coming out the back looks to be #8 stranded wire! Also, it...
I found this here from Feb-2012, and I've read this else where?
magnum by palamor | WorldwideDX Radio Forum
https://www.worldwidedx.com/threads/magnum-by-palamor.105743
Member. Feb 2, 2012. 8. 0. 11. Feb 3, 2012. #9. The Palomar Magnum 4500 is a 400W 4-pill amp operating in Class AB. Everyone...
I just picked up a "Magnum" by Palomar(450) for a right price!
I've been trying to find out what the input drive is for this amp. I've seen it from 2-1/2 to 35 watts! I'm posting a link, if you cue it to 1:25seconds you'll her this Tech who is testing one say "the drive on my test radio puts...
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