![]() ![]() So once the needle stops going up while giving a steady ahhhh into the mic, back it in a hair just to make sure its not over biased.Īnd as always, if you are not comfortable doing this your self, take it to a radio tech at a radio shop. Remove the wax and then while saying a steady ahhhhh sound, slowly back out the slug until you have peak wattage,(when the needle no longer increases.) You do not want to back the slug out any more then is needed for full wattage, other wise you over bias the final and lessen the life of it. *do this only if you have a meter, also, do not transmit on your radio without an antenna connected or a dummy load or you will blow the final.* it is a white or brown plastic tank with a copper coil around it with a slug in the center covered by a little way. If you have a watt meter that reads avg wattage then you can gain more wattage by adjusting L14. This turns up your modulation, and will make the radio swing to full PEP wattage, around 20 watts. Its a little pot towards the back right center of the board. but there is one thing: it keeps crackling every few seconds or so. it turns on, play music well, remote works as well. (dead key will only go as high as it was before you put in the mod.) A 100 ohm resistor gives you about a 2 watt dead key.ĪLSO! you are going to want to find VR4. hey guys, i need an assistance on repairing a Cambridge Soundworks (a.k.a Creative) Megaworks 550 speakers system. the bigger the resistor, the smaller the dead key, the smaller the resistor, the higher the dead key. The resistor determines the amount of dead key. Cambridge Soundworks BassCube 851 5.1 Surround Amplifier SubWoofer. Solder in the capacitor, then take the resistor and on the side you soldered, solder the resistor bridging the 2 pins of the cap on the trace side of the board. Cambridge Soundworks Megaworks 210D Powered Wired Speaker & Subwoofer System. If you do it backwards you can blow your radio. This is very important because there is a positive and negative to the capacitor. If you need further assistance, please call us at -80, Monday - Friday 9AM to 6PM central time. Parts are no longer available & we cannot repair them. Make sure the black tab is facing the back of the radio, towards the final. Apparently sending it in for repair is not an option.Unfortunately, the CD740 radio has reached end of service life. ![]() ![]() ![]() Use a de-soldering wick to remove the solder from the trace side of the board. It is located in the back left of the radio in front of the final resistor in front of the heat sink. Go to radio shack and get a 1/2 watt 100 ohm resistor, and a 100uf 35 volt electrolytic capacitor. So the first thing I check is the driver, and lo-and-behold it does not move freely when pressed in, which as far as I know means the driver is blown. So today I just picked up a Cambridge Soundworks Basscube 12 Subwoofer for free knowing only that it is blowing fuses. If that is the case, you should probably set your dead key to around 2 watts. Cambridge Soundworks Basscube 12 Driver Replacement. If you are trying to adjust your dead key, it sounds like you are trying to run a linear amplifier. What you want to do to the radio is called a swing mod. There is no dial or pot inside to turn to adjust the dead key. The first step is to pop off the speaker grilles, and remove just the top two screws. Increase this level to a matching value for each channel until you can hear your Newton speakers.You change the dead key with the addition of 2 components to the board. This device has a lot of screws and layers, and some hidden tricks. Strength: Construction, Ease of use, Solid Bass. Navigate to your speaker level control on the speaker setup menu. Cambridge Soundworks Bass Cube 12 Subwoofers. Return to your preamp/processor or receiver. This may be a setting labeled for speaker size for example, choose "large." Or, if it has just a crossover setting, increase that to it's highest value.Then go to the rear panel of your of your Basscube. Line level is the easiest as it uses only one cable so I'll assume that is what you've used.The following instructions I'll provide you with will presume that you are using a digitally controlled receiver or preamp/processor with an LED or LCD display and remote.On the preamp/processor or receiver, navigate to your speaker setup menu and adjust the frequency output of any bass management system it may have to a full range signal. Buy Cambridge SoundWorks BassCube 10S Powered Subwoofer (Discontinued by Manufacturer) online at best price in India. There are 2 ways that signal can be connected to the Basscube, your inquiry does not describe which you are using either speaker level or line level. Check your connections that you are using from your preamp/processor or receiver to the Basscube to confirm that any adjustments I'll give you instructions for will go to the correct output. ![]()
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