Microphone/audio PA system generates annoying high frequency audible squealing noise when connected to Nady DKW-Duo wireless system through an unbalanced XLR 1/4 Inch male to 3-wire female adapter to the microphone input on the PA system. Any modification, application, or technique available to replace this output adapter that appears to be the antenna for the problem?

SOURCE: Samson CL7 Connection

is the light indicator on?

SOURCE: Want a wiring diagram for 1x3pin xlr plug to

Pin 1= ground/shield, Pin 2= hot(+ve), Pin 3= cold(-ve). Just remember if you make a cord like this you can expect some signal loss.

SOURCE: i got a cable to hook my MXL 990 condenser

Professional condensor type mikes require a phantom power source to work. That will be a balanced (read XLR) connection from source to preamp and the preamp must be capable of supplying the power. These units cannot be used in an unbalanced circuit (like 1/4" or computer mini-pin). Your best bet for the setup would be to get an external power supply box that can also convert the signal from balanced to unbalanced. That would be what the mike plugs into and then that plugs into the computer. You're probably looking at about 50-100 for even a cheap one that will work well. Companies like Sweetwater and B&H should be able to steer you toward a decent basic unit. If you happen to have a mixer (which is why you bought the good mike) then it may have phantom power for some of its mike inputs.

Tudor Valean

• 787 Answers
• Posted on Feb 14, 2011

SOURCE: We have a Nady Duet

This usually happens when you keep your microphone too close to the speaker. Does this happen also when you keep you distance from that speaker?

SOURCE: I bought a samson se50 headset microphone to go

You need power from the transmitter to power this mic. See your mics specs to determine if it needs "Phantom Power"
Perhaps the transmitter doesn't supply power. Condenser mics may not work. Stay with the dynamic type. IMHO