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Can line level be balanced?
Lastly, a line level signal can either be balanced or unbalanced. Unbalanced line inputs and outputs are generally only the 1/8″ and RCA plugs connections that you see. RCA plugs can only ever carry a mono, unbalanced signal.
Is mic level balanced?
The mic line (cable) is usually balanced, meaning it is has a 3-wire line (hot, cold, ground) like an XLR cable or a 1/4inch TRS cable.
What is the difference between line level and mic level?
A mic–level input is typically a female XLR connector. A line–level input is typically an RCA jack, 1/4″ phone jack, or 3.5 mm phone jack. Don’t assume that the levels match just because one connector fits properly with another. Inputs are generally very clearly marked.
What level is mic level?
Microphone level is in the region of -60 dBV (0.001 volt) to -40 dBV (0.010 volt). A mic-level or microphone-level signal is the voltage level that comes out of a microphone when someone speaks into it, typically just a few ten-thousandths of a volt.
What happens when you connect a line level to a mic level?
Connecting a line-level source to a mic-level input will cause the sound to be loud and distorted because the line-level signal is much stronger than what the mic input will accept. (Note: Inputs and outputs on some higher-end mixers are mic and line level switchable.)
How to properly convert a balanced ( line level ) connector?
I know that the simplest way to convert balanced to unbalanced is to short the negative/cold signal of a balanced to ground, BUT… I’m not sure if it’s going to work fine with line level signal, especially for long term use. Such shorting, if done on a higher impedance mic level signal won’t likely affect anything.
What should the impedance of a microphone be?
This attenuates the voltage by about 1000, which should be about right. The 100 Ω output impedance is well below the 2 kΩ microphone input impedance, so it won’t be loaded by the mic preamp. What you need to do is reduce the voltage level, and block any DC.
How are resistors set up to reduce mic level?
The resistors are set up as voltage dividers which reduce the input level to something managable by the microphone input. The capacitors block the DC. How much should you attenuate the signal? It depends on the typical line levels you’ll get from your equipment.