Question about Cobra 200 GTL DX 4-Channels Base CB Radio

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Sounds like you are on a different frequncey and keys one half watt

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  • Cobra Master
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Walk it over here and I'll fix it for you. turn the watts to 1.5 watts and check the frequency .

Posted on Mar 01, 2015

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Hoa many watts for ctb1522ar


That sounds like about half as many amps as I'd suspect. Assuming 120VAC, that is. If you live where municipal power is 240VAC, then that sounds just about right.

Oh, You already did the quick math - 375 watts means you're on 120V. So... yeah, that sounds like about half enough. Odd.

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1 Answer

Sound gets muffled at certain frequencies. Please Help!


I think that rather than the mixer, that your front speakers may have a limiter built into the high frequncey amp. You may be asking them to do more that they are capable of.

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1 Answer

Need to know where to set low power set up for amp thanks


There is no specific dead key setting for an ampifier. Each amplifier requires different dead key to operate at it peak effeciency AND to sound the best it can. If I knew what type of amp it was I could give you a better idea. Just for a reference point I will give you these numbers. For your basic amplifier ( 2 pill - 4 pill non high-drive) you could safely set the carrier at 1 - 3 watts. This is why the majic number for most people is a 2 watt dead key. For a High-Drive amplifier you really have a broad range of settings for deadkey. Generally anywhere between 2 - 8 watts. Some can even handle 10 watts. This DOES NOT mean that they need a HIGH dead key to operate properly. Just FYI, what you run into with improper dead key is either a really choppy, splattery, overmodulated sound with a deadkey that is to low, OR, a really pinched up, tight sound with a dead key that is to high. Also, a HIGH dead key can cause an amplifier to over heat, causing the transistors (pills) to fail prematurely.
To set your dead key "properly" you really should have a technician "match up" the radio with the amplifier. This means, he will hook up the radio and amp that you plan to use with one another in line and tune (set dead key) the radio to "match" the amp. This will give you the optimal audio and performance without overdriving the amp.
Hope this helped. Lost Jeep, Athens GA, 10-7 !!

Feb 17, 2011 | Connex 3300 240-Channels Base CB Radio

1 Answer

My Sharp drawer microwave will turn on but half the time the food soes not heat up at all. I can tell there's a different sound to the unit when it's on and heating but the sound is different when it's...


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Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

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heatman101

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1 Answer

Car subwoofer just past half volume cuts off the amp


Assuming there is no short, or lose ground wire somewhere inside the box, diodes( in the amp) are fine, you might be overheating it by not allowing it to get good ventilation. This can be a big deal on some low end Chinese amps. Or the speakers are blown , or your Resistors (in the amp) are bad, but for arguments sake.
Most people don't use the proper size and or conductivity types of wiring, for pushing high amperage Think about it like this, Watts (power) =.Amps (energy) x Voltage (pressure) Resistance or Ohm's (amount) determines how much Wattage will go in or out, Ohms = Volts x2 / Watts.
What gauge wire are you using on your setup?

Jan 09, 2010 | Car Audio & Video

2 Answers

Just want to know if i should use my ll203 amp in am or ssb mode when running with a cobra CB radio?


What radio?? Does it have single side band(SSB)? If not, then don't use SSB.

AM - amplitude modulation
SSB - single side band.

If you have SSB, there would be a switch on it to transmit in SSB. If not, it is AM only.

Second, Has this radio been worked on to be able to run on an amp? If not, you will blow the amp.

A CB radio transmits dead keys with 4 watts of power, and transmits with 4 watts of audio.

a 4 watt dead key is too much for a linear amp. You will smoke the transistors. Also, 4 watts of audio is not enough to drive it properly. You won't get full power.

The dead key needs to be around 2 to 2 -1/2 watts,or what ever makes the linear dead key half its peak wattage., and the modulation (audio) turned up all the way.

It doesn't sound like you know too much about CB radio's. Not a big deal, you can learn. For right now you may want to take it to a cb shop and tell them you want a peak and tune, and set up to run a linear.

You can find CB shops usually at truck stops. Some area's they are other places. Check the internet for local shops.

Oct 31, 2009 | Galaxy Radios DX-959 40-Channels Base CB...

2 Answers

Korg triton studio Change voltage input from 110v to 220v


Safest thing is to use a transformer. If it is only 35 watts, that is pretty small.

Often you can find a small "control transformer" that has dual primaries for 120/240 volts.

Connect it as an "Autoformer". In this connection you would only need one thaat would handle half the 35 watts... However, the smallest is probably 5 watts giving lots of capabilty. Google "autoformer" to see how to connect it. Essentially the primaries go in series and you take you 110 from one-half this combination.

The secondary of a control transformer used this way would NOT be used but just taped for insulation.

You might contact a heat and ventilation company as they may have one... even one that was removed for very low cost.

Aug 15, 2009 | Korg TR76 76 Key Synthesizer Workstation

1 Answer

Bought new Denon receiver. Hooked up main speakers to speaker A and 3 sets of small speakers (outside, living room and dining room (in wall) to speaker B. I use a splitter for the 3 speakers on B. The...


Speakers have what they call an ohm rating. Your 570 watt receiver is 570 watts at a certain ohm load. I would imagine there might be a level difference between the 3 different speakers on B too. Anyway, if the speaker pairs have all different ohm ratings, or they are not the optimum rating for your 570 watt receiver, you will not get the full wattage rating to the speakers. Hope this helps.

Jun 23, 2009 | Pioneer VSX-454 Receiver

1 Answer

Tunring up a cobra 150 gtl/dx


Um... What?? This is hooked to a switch? CB radio by FCC regulations is only supposed to have a max of 4 watts total output. If you can flip it to 7 watts dead key, you are doing really good. It won't do much more then that. It sounds like its set up to run on a linear amplifier, which cannot have more then 3 watts dead key transmitting into it.

Dead key, and modulation are different. You may have a meter that only reads dead key, and won't see the modulation. This radio is probably swinging close to 15-20 watts. you need a meter that can read PEP, Peak envelope power. Cheap meters only read AVG, or average power, witch will only show your dead key.

7 watts dead key is really good for that radio.especially since stock only has 4 watts. you cannot get any higher then that without changing finals.

at 3 watt dead key, or 7 watt dead key, your modulation wattage is still swinging much higher.

Also, you will get more swing with a lower dead key any way, which is better if you want it to be loud.

Leave it alone. its probably set just right.

May 12, 2009 | Cobra 150 GTL DX Base CB Radio

1 Answer

Landscape ligthing Transformer


Yes ican. They are made to be split into two 300 watt circuits. So it's ideal to place it at a location in the middle of you lights . Basically to go each direction from the transformer. Now you need to find out what wattage bulbs are in each light.(different fixtures can have different watt bulbs.) Lets say you have 8 lights going one direction and 8 going the other way and each light has a 20 watt bulb. That adds up to 160 watts on each side. So you are well below the 300 watt rating per side. By the way I wouldn't go anymore than 250 watts on a 300 watt circuit. Next you look on the bottom of the transformer and you will see the screws where you hook up the wire. You will need to strip the end of the wires about a half inch. Hook one set under the A & B for one side then do the same for the otherside. Plug in the transformer and set the timer to whatever tme of day and night you prefer. Hope this helps. If you have more questions just ask. Thaks and remember to rate me.

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