![]() ![]() This is a great tool to have, as the ability to pinpoint a specific frequency has tremendous advantages. ![]() For example, the channel strips on a Mackie 1604 has fixed high and low controls, but a semi-parametric mid-band control. ![]() This is what you’ll usually find on nearly any decent, mid-priced mixer. While the bandwidth is still fixed, the center frequency can be adjusted usually along a very wide range. Needless to say, this is the least flexible of all the types of EQ, and are good for little else except very broad tone-shaping. The “mid” control (if there is one) is a band-notch filter with a fixed center frequency and bandwidth, usually at least a few octaves at around 2 kHz or so. The high (or “treble”) and low (“bass”) knobs are generally shelf-type filters with fixed cutoff frequencies (usually at about 100 Hz and 10 kHz or thereabouts) and pretty generous slopes. These usually consist of two or possibly three rotary pots. Here, you only have the option of controlling “how much” - the “what” is fixed and is not adjustable. This is the type of EQ you’re likely to find on the vast majority of home hi-fi preamps, and on the channel strips of the cheapest mixers. Parametric get the most realtime play for me inside Vegas though I use all three sometimes, depends on what I'm going for. This explains it much better than I could. I meant to say parametric, sorry about that. ![]()
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