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Recording Handbook - Hol.gr

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Q1.1.4 What are balanced and unbalanced ins and outs?<br />

reedijk@gene04.med.utoronto.ca writes:<br />

An unbalanced signal pathway is identified by having two wires (RCA<br />

plugs, guitar jacks, some mic cables). These are high impedence and<br />

are less desirable because as the cable gets longer, more noise is<br />

introduced into the signal. A balanced signal pathway has three wires<br />

which is most common in mics (SM58s for example). A few 4 tracks<br />

have balanced inputs whcih means you can use better quality mics<br />

without adaptors. AT RMX64s as far as I know are the only ones with<br />

balanced outputs which you would use for hooking it up to high-end<br />

gear (I have yet to use them!)<br />

Q1.1.5 What is the difference between a pre-amp and an amp?<br />

reedijk@gene04.med.utoronto.ca writes:<br />

Pre-amps ("pre-amplifiers") shape the character of the signal. This<br />

is where the equalization and gain (sometimes distortion) are<br />

controlled. An amp simply generates the raw power to push a speaker.<br />

A bad pre-amp can distort the signal in many ways including clipping,<br />

compression, poor frequency response (e.g. the "highs" disappear or<br />

sound harsh etc.) or noise.<br />

dragon@homerecording.com adds:<br />

57<br />

57

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