Galaxy DX2517 connections for Turner model 754
WorldwideDX Radio Forum
by 86lidewell
2h ago
Hey, I'm trying to get this microphone working with the radio. After I moved the slide switch beneath the stand, it would key the radio but no audio, just a hum... I don't find a schematic for this microphone to connect to a cobra 4-pin. Any pointers would be much appreciated! Cord: Red, Black, "white", Shield: Inside ..read more
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Wawasee Blackcat JB75 and JB 76
WorldwideDX Radio Forum
by richardk734
2h ago
Hello All, Up for sale here - Wawasee JB76 Base and JB75 Amp. The Amp is still in its original box. I picked these up at an estate sale and it is all untested. I am not a radio / CB person so I dont know how to test them. I will answer any questions that you have. Ebay pulled my listing down because it is against their policy to sell this type of device??? anyway - thats what brings me to this site. I will take paypal for payment or local pick up in Belleville, MI. I have 3 MORE of these... Read more ..read more
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New Ranger RCI2995 DXHP Home base station
WorldwideDX Radio Forum
by Miura
10h ago
A few days ago I purchased the new Ranger RCI 2995 DX HP from a store in the US and started to use the radio today. I previously owned à RCI 2995 DX CF (same radio but less Watt output). My first conclusion It that the HP is massively powerful 350W PEP SSB & AM and 70W AM-FM average. I just had to open the radio, push the switch of the internal power supply to 220V for the U.K. and swap the external 7amp fuse for a 3amp one. Everything now works as it should, it is bang on frequency on... Read more ..read more
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4x 4cx250b Glen amp
WorldwideDX Radio Forum
by RFThomas
22h ago
Im sure there are many experts out there on ceramic tube amps . all i can get out of this unit is 1000 watts with bird43 into dummyload ! all the tubes test just like new in my pride dx-300. now i know these tubes use low drive in my pride dx-300 and my 2 tube john boy box .but how about the 4 tube setup ?need more drive ? any suggestions ..this unit looks to be verry well built with grid / filiment /and high voltage circuts all fused . can any one help ? </p> ..read more
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Trc 465
WorldwideDX Radio Forum
by bigredct
1d ago
Any info on adjusting for max output ..read more
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D&J Electronics - Echo products and the schematics
WorldwideDX Radio Forum
by Maruefer
2d ago
Wondering if anyone would have a collection of the schematics for the D&J Electronics brand of Echo products that were super popular in the late 70s, 80's and into the early 90's? Thinking someone had and or has from back then and these paper copies are just sitting in a old drawer, cabinet or box and would not mind to copy or sell? Would pay for this if needed ..read more
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Different output with bottom cover off?
WorldwideDX Radio Forum
by MKwrench
2d ago
Hello everyone, this is my 1st thread, it's going to be more question with a small introduction. All of my radios were either given to me, or purchased for a few dollars. They were mostly basket cases that were replaced by something more modern and some from retired Truckers. Every time I recieved a radio I knew it had issues that would need addressed, Sometimes I like the "tinkering/testing" part of the hobby more than talking on air part. These issues are usualy common things like a... Read more ..read more
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Cobra 2000 L38
WorldwideDX Radio Forum
by Cable Guy
2d ago
Found above radio in a friend's shop, buried under random shop stuff, you know. He gave it to me, knowing I tinker with them. Sometimes I get blessed like that. While looking over my new pet, I noticed L38 was missing his slug. I dropped one in and it immediately dropped power output. Peaks (falsely) with the slug out. Drops going in until about 2 turns from the bottom, then begins to climb some until it bottoms out. Hmmm, that ain't right but I am seeing a 3 watt dead key with approx 13... Read more ..read more
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Big Solar Storm Incoming Tonight & Tomorrow
WorldwideDX Radio Forum
by BC Coyote
2d ago
The Sun let loose an M9.8 magnitude flare on Nov. 28 and the four Coronal Mass Ejections (CME's) associated with it are due to hit Earth tonight and tomorrow unleashing radio blackouts, internet failures, and hopefully, once in a lifetime auroras.... Story... https://www.livescience.com/space/t...that-could-smash-into-earth-by-tomorrow-dec-1 ..read more
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Microwave Tube Modulation
WorldwideDX Radio Forum
by Fusionstate
2d ago
I believe I've figured out how a magnetron is modulated in microwave transmissions. The output is pulse width modulated by turning the cavity voltage on and off. You should also be able to modulate the output power by dropping the high voltage. Is that right ..read more
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