Author |
Message |
Kbar
Junior Member Username: Kbar
Post Number: 10 Registered: 2-2004
| Posted on Monday, March 30, 2009 - 10:03 am: |
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Hello again! I have a cobra 2000 GTL plugged into 110 AC, and a texas star 400 on a power supply. The 2000 keys approx 2.5 watts on AM and about 6 watts max on SSB.The 6 watts on side band makes the relays in the amp chatter some thing terrible. I dont want to destory the amp but like to do DXing. My question is could I install the RFX75 driver or a AD203 stinger board in or,on the 2000? Then be able to turn the out put wattage down to about 15-20 watts on side band with a variable power knob to help stop the chattering on the TX400? What I have read these are a mosfett final. Would this hurt the amp? Thank all of you in advance for your help and expertice. I value all the opinons, I can get good,bad,or in different. Once agian thank you for your time and have a Great day! |
Dale
Senior Member Username: Dale
Post Number: 1448 Registered: 12-2002
| Posted on Monday, March 30, 2009 - 9:23 pm: |
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if your amp is chattering make sure your ssb delay is set tothe on position.the ts400 should handle the cobra2k all day long.as for others id leave the radio alone dale/a.k.a.hotrod cef426 cvc#64
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Kbar
Junior Member Username: Kbar
Post Number: 12 Registered: 2-2004
| Posted on Wednesday, April 01, 2009 - 9:03 am: |
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Dale thank you for your time. Guess this was a bad idea. Was hoping for a little more in put from every one. Guess I will get rid of the 2000 gtl and buy a different radio,one with less problems. |
Dale
Senior Member Username: Dale
Post Number: 1451 Registered: 12-2002
| Posted on Wednesday, April 01, 2009 - 8:32 pm: |
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i dont think your radio is the problem if ya put the rfx-75 in it then ya will have issues cause thats too much drive for most ampsfew questions need more info 1]what size of powersupply 2]were ya got mike gain set at 3]what type mic power,stock,n/c 4]what type of meter ya using to measure ouputof radio 5]did ya use a dummyload or just antenna to measure output 6]did ya check the ssb delay.im always forgetting to turn mine on when i go from am to ssb..lol. 7]is your limiter in tact dale/a.k.a.hotrod cef426 cvc#64
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Lilbear0094
New member Username: Lilbear0094
Post Number: 1 Registered: 8-2010
| Posted on Wednesday, August 11, 2010 - 12:01 am: |
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ive got a cobra 2000 which im using a moonraker-4 beam.. i am havin trouble with the swr. for some reason i cant get it donw below 1.5 an i have eaxtra channels an a variable power knob too. if i dead key at 4 watts the needle slams way past the red but if i deadkey it al 15 watts then my swr is about a 2.0 swings to 2,5 or so... dont know can you help.. plus the freq counter just startd goin all over the place but i can rx an tx an ppl hear me so im not off freq just the counter is not right pleeeeease help me... 73's from 0094 the great lake puddle state |