![]() In contrast to the EMT 240 which begins to descend around 2KHz, this plugin stays relatively linear throughout the high medium frequency range. There is a lot of energy in the high and medium high frequency range (between 1KHz-8KHz~). This plugin is sold with a preset that is an emulation of the EMT 240 with impulse responses however, it sounds very different from the hardware unit. Nevertheless, it’s certainly a useful tool to fit vocals in the mix because it only gives the reverberated frequencies that we need. It’s probably closer to the EMT 140 than the 240. For example, on the voice sample the energy of the reverb starts to descend at 4KHz in comparison to the EMT 240 which starts to descend at 8KHz. The energy of the reverb is concentrated in the medium frequencies. Compared to the EMT 240, the sound was much more muffled and boxy. The rest of the plugins we tested were the opposite (containing a larger amount of high frequencies). It’s the only plugin that has less treble than the hardware EMT 240. This plugin is surprisingly unbalanced with a lot of mediums (between 400Hz and 2KHz), a small deficit in the bottom and characterized by a large lack of high frequencies. It’s an emulation of the EMT 140 (a reverb machine with less treble than the 240). ![]() ![]() It acts almost like a deesser but offset in time which can be quite practical on vocals! However, regarding the body and the tail of the reverberated sample, the EMT 240 remains the darkest. A possible explanation could be that it takes a certain amount of time for the metal plate to diffuse the lower frequencies while on the other hand a very short time to diffuse the high frequencies. Surprisingly, the EMT 240 is the only reverb that has high frequencies in the attack (0-35ms) than these digital emulations. Is this lack of definition the haunting thing that we like? This is much more complicated and you will find some answers to this in the conclusion. We noted an important lack of high frequencies in the reverberated sound starting at 8KHz. From 2KHz-8KHz we can see that it remains linear but at a lower level. The reverberated sound frequency response of the EMT is approximately linear between 115Hz and 8kHz. When listening to the samples, the EMT 240 sounds a bit darker compared to all of the other plugins (except for the Arturia 140 and Altiverb 140). The high frequencies decline quicker on the metal plate than the low frequencies so it seems to be a wise choice to use a metal plate to mimic the natural behavior of sound absorption in the air. We might think that using a very thin metal plate (18 microns which is 5 times thinner than a sheet of paper!) would give a brighter sound with more treble but in fact it has quite a dark sound. It’s funny to imagine that the vibrations of the metal plate will give us a similar result as wall reflections in a room. The EMT 240 uses a metal plate to create reverb. You’ll find the complete analysis and methodology on our web site We are a studio based in Paris since 2006 that uses a lot of plugins not only because they save us a lot of time but also because we like the way they sound. For our test we have chosen three convolution reverbs and six algorithmic reverbs. This is a comparison between our EMT 240 gold foil and 9 plugins that emulate plate reverbs. There is a question that we often ask ourselves: how close do my reverb plugins sound to the true hardware units and particularly plate reverbs? A lot of AB tests were made on compressors but we found nearly nothing regarding reverbs online. SUBJECT OF TEST: EMT 240 vs plate reverb PLUGIN S
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