Schematic — Field Operation — Home Recording forums This question sadly lacks an overview circuit that explains how you can simultaneously send audio in one direction without it leaking back in the other. December 08, Would alewis not then be better to replace them, for example, with something like WIMA polypropylene? I am xlesis from being a professional, but I must say I also do like the compressors sound now and the mod was fun to implement. I think that is a good assumption.

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Page Front Panel Noise Gate Controls The hiss would also be present under these conditions, but since a strong signal is present it would tend to "mask" the hiss. To use the solely as a noise gate, set the Ratio control to This passes the input signal to the noise gate without processing.

Page Front Panel Metering Example: A meter reading of -6 dB indicates that the is attenuating the input signal by at least 6 dB in order to keep it at the threshold level. The more lights that are lit, the greater the amount of limiting, and the more processed the sound.

For frequency-dependent limiting applications that involve plugging into another signal processor, a special stereo-to-dual-mono cord is required, as shown below. Page 20 To perform ducking: 1.

Process the signal to be "ducked" e. For stereo signals use both channels, for mono signals just use one channel. Plug the control signal e. Page 21 This application requires the special stereo-to-dual-mono cord mentioned above and an equalizer, such as the Alesis MEQ There are no fixed rules for optimum times since different instruments will work best with different settings.

Page Specifications Threshold adjustment. Reset the gate as explained in Section 1. This type of signal processing can be used as an effect e. TIME However, the maximum peak signal level has gone from in the first drawing to 50 in the second drawing.

Therefore, the overall signal sounds softer. By adding output gain, we can give the limited signal a peak value of again. Page 26 This limited, amplified signal has a much higher average level than the original signal. This is why limited signals can "jump out" at you and have more punch. Commercials, for example, are often heavily limited so that they have as high an average signal level as possible. Page 27 The speed with which a limiter responds to the input signal is also im- portant.

If the limiter tries to follow every little nuance of music, the sound can be overly "choppy. The Release control sets this time period. As long as the audio signal is present, its level will generally be higher than the noise, thus masking it. However, when the audio signal goes away, the noise is no longer masked and can be heard.

During the warranty period ALESIS shall, at its sole and absolute option, either repair or replace free of charge any product that proves to be defective on inspection by ALESIS or its authorized service representative. All rights reserved Reproduction in whole or in part is prohibited. Specifications subject to change without notice.


Alesis 3630 Reference Manual

In addition to the compressor, this unit also features a gate. It is indeed a rack mountable piece of gear and it will take up two rack spaces. Each channel has parameters for threshold, ratio, attack, release, and output as well as a section for the gate that has additional parameters for threshold and rate. Both channels also have a variety of buttons including a choice between either soft or hard knee. The gate sounds pretty good as well and is a great thing to have within a single unit like this one In this price range, this is about as good of a compressor that you are going to get.


3630 Compressor



All user reviews for the Alesis 3630 Compressor


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