Evertone Project Bundle v2 Review: Japanese Audio Plugins

Hello! This is Jooyoung Kim, an audio engineer and music producer.

As I told you in the last post, I’ll resume the audio/virtual instruments plugin review. Today, as part of this series, I’d like to talk about the Evertone Project’s plugins.

On the internet, I found that the Evertone Project team is a combination of guitar artisans, studio owners, and audio programmers. In early 2026, they released a few plugins, which are included the Evertone Project Bundle. It contains Expander v2, Compressor v2, Metro v2, MORG Vintage 81, MORG-81 EQP3, and MORG AMP 5A.

While testing these plugins, I was truly impressed by how much effort was put into the MORG series to capture the original hardware’s frequency response. Additionally, the compressor and expander clearly showed a deep consideration for a beat and timing.

By the way, the plugins shown in this post were provided by Plugin Boutique in NFR (Not For Resale) form. Also, if you purchase the plugins through the links in this post, I will receive a small commission that helps me keep this blog going.

Let’s start!


Evertone Compressor / Expander

Click the photo to purchase the Evertone Compressor v2 plugin at Plugin Boutique

The Evertone Compressor is an exceptionally transparent tool. While real hardware compressors typically feature non-linear compression action that generates harmonic distortion, each mode (it has four different modes) in this plugin delivers remarkably clean dynamic behavior.

The knobs are quite small, but thanks to its Live Mode, they can be adjusted intuitively.

Click the photo to purchase the Evertone Compressor v2 plugin at Plugin Boutique

During my testing, it became clear that this plugin aims for extreme transparency. By offering tempo-synced attack and release parameters, it allows you to control dynamics without adding coloration or breaking the groove. Given the omission of a sidechain input and the inclusion of oversampling, I believe it was designed primarily for final mix bus polishing or grouping stems together.

I feel it would work exceptionally well for classical music, as well as for jazz tracks with a steady, locked-in tempo rather than rubato performances.

These strengths shine through not only in the compressor, but also in the expander.

Click the photo to purchase the Evertone Expander v2 plugin at Plugin Boutique

Generally speaking, an expander isn’t typically used on pristine sources. It’s usually reserved for tracks with background bleed or those that need lost dynamics restored.

If you need to recover dynamics on a stereo track that locks to a specific BPM, I would highly recommend this plugin. Its tempo-sync capability is particularly strong; while the processing might sound a bit unnatural when listened to in solo, it gets nicely masked in context because the dynamic changes fluctuate in rhythm with the BPM.

To be honest, the Plugin Boutique manager originally pitched the idea of framing this as a direct comparison between Sonnox and Evertone.

But during testing, it became clear that they serve fundamentally different purposes. In fact, combining them yields far better results than pitting them against each other: Sonnox handles the tonal character and loudness enhancement, while Evertone delivers transparent bus control and tempo-synced dynamic restoration.

Sonnox’s Inflator and Limiter remain undeniable classics from the era of the Waves L2. That said, when compared to modern processing standards, driving them heavily for raw sound pressure can lead to subtle digital break-up.

To avoid this, setting up a transparent comp upstream to tame dynamic peaks is standard industry practice. This is precisely where the Evertone Compressor shines. It delivers a level of transparency that surpasses native DAW compressors, and yields an even cleaner drop-off than FabFilter Pro-C2 in Clean mode.

Through continuous testing during this review, I’ve found that pairing Evertone’s transparent control with Sonnox’s character creates an incredibly refined signal chain—particularly tailored for acoustic, classical, and jazz genres.

Using them together like this works remarkably well. Compared to other compressors, Evertone introduces far less harmonic coloration—which is presumably why the signal holds up so well without breaking up when pushed into the next stage.


MORG AMP 5A

The naming is quite clever! LA-2A + LA-3A = LA-5A… 🙂 As the name suggests, it seems like an emulation of the Teletronix LA-2A and LA-3A. However, it doesn’t actually have a compression function.

At first glance, I was deeply impressed by this plugin. The sound is quite similar to my Stam Audio SA-2A hardware. It slightly emphasizes high frequencies and brings any audio source to the front of the mix. If it goes on sale, I highly recommend picking this up for LA-2A style saturation.

The frequency response changes dynamically depending on the input level. As you can see, it isn’t smooth and clean like what other companies’ plugins typically show—it has that raw, irregular curve just like real hardware.

This is the 3A’s frequency response. Its output level is also different from that of the 2A.

In 2A mode, there is a gentle compression (or possibly soft clipping) at high signal levels.

The 3A mode also shows a similar trend, but it is much more subtle.

The 2A mode features gentle harmonic distortion. In contrast, the 3A mode has a more aggressive sound.

This plugin is not currently available on Plugin Boutique, but I will add the affiliate link once it goes live.


MORG Vintage 81

The MORG Vintage 81 is a digital clone of NEVE 1081 preamp.

The frequency response also changes based on both the input level and the channel number.

There is a slight compression or level loss at high signal levels.

I was really surprised when I checked the oscilloscope. It showed a very similar behavior in this test.

It isn’t a plugin that blows you away immediately upon insertion. Since the high frequencies can be a little prominent, polishing the top end with a subtle EQ move makes the underlying texture sound much better.

You can take a quick look through the link above.


MORG 81EQP3

As you can tell from the name, it models the Pultec EQP-3 EQ. While there isn’t a vintage Pultec at the school where I teach, I do work with a Tube-Tech EQP-1A there. Surprisingly—and contrary to common belief—the physical hardware exhibits almost no high or low-end frequency loss.

In contrast, the MORG 81EQP3 slightly attenuates the low end and softens the top end upon insertion, giving it a gentle, rounded tone that I feel is tailor-made for jazz.

You can take a quick look through the link above.


Wrap Up

The Evertone plugin series is genuinely impressive. You can clearly see the dedication that went into modeling the MORG series, and the LA-5A made me stop and go ‘Woah….’ the moment I inserted it on a track.

Achieving this level of clean, transparent dynamics processing is by no means an easy engineering feat. Having the Evertone Compressor in your toolkit is ideal for placing right before final loudness processing—like Sonnox Inflator or Limiter—to ensure a pristine mix bus.

That’s all for today. See you in the next post!

Manley Nu Mu Stereo Limiter/Compressor Review

Hello! This is Jooyoung Kim, an audio engineer and music producer.

Now that the semester is over, I have a few weeks to rest and prepare materials for my next classes. Even so, I still have a lot of work to do on my new research, my DIY hardware projects, and my English studies. It will be very busy holidays.


By the way, recently, I decided that I need to sell my compressors, the Heritage Audio Successor and the Stam Audio SA-4000 MK2, and replace them with a mastering-grade compressor to mix and master music better.

Fortunately, last week I sold both of them, and I have been happily considering which mastering-grade compressor I should buy. There were several options to choose from, but I finally decided to buy the Manley Nu Mu Stereo Limiter/Compressor.

This decision came from my experience with the SPL IRON, the SPL Venos, and the Chandler Limited RS660 compressors, which are vari-mu-style compressors. They sound great across many genres, but they aren’t within my budget. (If I bought them, I’d have to live on cup noodles for about three months! :))

I also had an experience with the original Neve 33609/C compressor/limiter and the Chandler Limited EMI TG12413 Zener Limiter. These are diode-bridge compressors that have really great saturation; however, they are also unaffordable.

I found two reasonably priced compressors: the Rupert Neve Designs 5254 Shelford Diode Bridge Compressor and the Manley Nu Mu Stereo Limiter/Compressor. I ultimately chose the Manley because it was more affordable. Also, having previously owned a diode-bridge compressor—the Heritage Audio Successor—I was ready to explore a different style.

I was also attracted to the WesAudio ngBusComp, which features a handy digital recall system. However, it is a VCA-style compressor, which is the same type as the Stam Audio SA-4000 MK2 that I used to own.

Therefore, I decided to buy the Manley Nu Mu Stereo Limiter/Compressor!


Build Features

The Manley Nu Mu features eight knobs, six buttons, and two switches, excluding the power switch. The knobs (Threshold, Output, Recovery (Release), and Attack) and switches (Input Level) on the left side are identical to those on the right, allowing for independent adjustment of the left and right signals.

The Link button couples the left and right signal control knobs, with the notable exception of the Output controls. Consequently, these must be matched manually via measurement. Furthermore, apart from the Recovery knob, all controls feature continuous rotation, which makes precise recall of previous settings difficult.

The HIP (High Impact Preservation) control compresses quieter sounds while leaving loud peaks untouched. It processes these signals internally to achieve results similar to parallel compression. I found that the audio sounds more natural when engaged, so I may leave this button on permanently.

The HP SC (Sidechain High Pass Filter) button activates an internal filter with a 100Hz corner frequency and a 6dB/octave slope. This prevents the compressor from reacting to low-frequency energy below 100Hz, ensuring more stable gain reduction.


Measurments

This equipment exhibits characteristic behaviors. Variations in input gain, threshold, attack time, and release time significantly affect the low-frequency response. Additionally, there is a slight amplitude discrepancy between the left and right circuits in the low end. This difference is easily observed in many compressors that do not naturally exhibit a low cut in their frequency response. For instance, when I demoed the SPL Venos, I found a significant discrepancy in the low-frequency output. Furthermore, an engineer peer of mine mentioned struggling with the same low-end inconsistency after purchasing an SPL Iron.

So, this level of discrepancy is acceptable.

As shown in the image above, harmonic distortion levels are relatively low; however, they remain sufficient to noticeably alter the timbre of the sound.

Compressor mode
Limiter mode

Regarding the compression curves, the unit provides a smooth transition in both modes; however, the Limiter mode utilizes a hard knee, whereas the Compressor mode employs a soft knee.

Compressor mode
Limiter mode

The images above illustrate the behavior of the unit in HIP mode

GR 2-3 dB
GR 1-2 dB

Furthermore, some peculiar behaviors occur during operation. Engineers typically target 0–2 dB of gain reduction on a mastering or mix bus compressor to achieve effective ‘glue.’ However, in this range, audible ‘pumping’ occurs. You can observe this specific behavior in the second photo above.

I encountered numerous discussions regarding this issue while researching the compressor prior to purchase. Although I anticipated the behavior, the audible effect was more critical than I had expected upon testing it myself.

Ultimately, I realized that the 0–2 dB gain reduction range is not ideal for this unit. Interestingly, pushing the gain reduction to 2–3 dB yields much better results, where the behavior stabilizes significantly in both compressor and limiter modes. This performance difference is illustrated in the first photo above.

It has a great sonic taste! It adds rich saturation and harmonic distortion across all frequency ranges, which fills out the empty spaces within the stereo field—a quality that is clearly audible.

However, because the character is so flavorful, I believe that applying a stereo imaging processor will help ‘release’ the sound that has become dense from the harmonic distortion, resulting in a more open and balanced result for mixing or mastering. To this end, I am looking forward to acquiring either an SPL Vitalizer MK3 or a Big Studio.

The unit features a 100 Hz high-pass filter with a 6dB per octave slope for internal signal detection, while also providing sidechain send/return inserts for external processing.

When the sidechain send/return inserts are connected, the internal detection circuit is bypassed, and the unit derives its detection exclusively from the external sidechain signal.

Therefore, a simple EQ connection is recommended for this function. To facilitate this, I am currently seeking a cheap used 1U rackmount EQ (like the Behringer FBQ1502HD) to utilize specifically with this sidechain insert.


Final Thought

It’s really great gear! I think it can be used in three ways:

  1. As a saturator: Running signals through the Manley Nu Mu without any gain reduction.
  2. For characteristic grooves: Using the sidechain function to create unique grooves with rhythmic signals.
  3. As a bus compressor: Using it for mixing or mastering.

I’ll be writing a follow-up post once I acquire an EQ or stereo imaging hardware for my setup. Thanks for reading! See you in the next post.

Lewitt Space Replicator Year End Sale (~50% off, until 4 Jan)

Hi! This is Jooyoung Kim, a mixing engineer and music producer. Today, I’ll introduce a room/headphone simulator, Space Replicator made by Lewitt.

I received the NFR code for this product from Plugin Boutique for this review, and if you purchase the plugin using the links included in this article, I’ll earn a small commission that helps me keep going…!

Let’s start!

Space Replicator is a plugin that uses HRTF (Head-Related Transfer Function) modeling to allow you to experience sound with a sense of spatial depth, making it sound like real acoustic space when listening through headphones or earphones.

While there are indeed several plugins offering similar virtual monitoring functions, and some competitors boast larger headphone/earphone catalogs, Space Replicator’s distinct advantage lies in its specialized focus on HRTF and the process of creating personalized binaural profiles.

If you select a headphone or earphone model that you own and that is supported by LEWITT, you can generate a personalized binaural profile through a few simple steps. Although the results may not be perfectly precise, the effect was noticeably effective when I tested it.

Furthermore, the plugin features 12 different virtual spaces, each offering various listening perspectives or speaker options, and it also provides 6 different headphone simulations.

My favorite virtual space is the Vienna Synchron Stage A, which accurately provides the acoustics of far-field speakers. Since small studio producers and engineers usually can’t access such a setup—and neither can I—this particular feature offers me a tremendous amount of practical things.

It is currently 50% off until January 4, 2026. Therefore, if you work in a space with acoustic limitations, I highly recommend this plugin.

That’s all for today. See you in the next post!

Heritage Audio Successor Hardware & Plugin Review

Hello, there! I’m Jooyoung Kim, a mixing engineer and music producer.

About half a year ago, I bought a Heritage Audio Successor that had some intermittent noise issues. I kept telling myself I’d write a review after getting it fixed… and, well, here I am finally getting around to it now, haha.

I didn’t originally have any burning desire to get this unit, like, “I have to own this thing!” It was just a good deal, even factoring in the repair costs, so my hand moved faster than my brain, lol.

I was initially eyeing the Behringer 369, but since this is also a diode bridge compressor, I figured why not. Plus, it’s a mastering compressor pushed by Heritage Audio, so I thought the channel balance would be decent enough, and it wouldn’t be a total gamble. So, I went for it.

As expected, there was noise coming from the left channel, so I just dove in and opened it up without much thought. Usually, noise or low output points to a capacitor issue—something simple, right? Or so I thought…!

No matter how much I looked, it didn’t seem like a soldering issue or a blown capacitor. So, I detached the circuit board and swapped the left and right transformers, but the left channel was still the problem.

Testing every tiny component by buying replacements was, frankly, not humanly reasonable. So, I handed it over to the folks at MS Tech for repairs, explaining the tests I’d done and admitting I couldn’t pinpoint the issue.

A few months later, I went to pick it up. When I asked the technician, he said he wasn’t entirely sure, but it seemed like the variable resistor in the left channel was the culprit. On the outside, the components looked fine, but something inside was faulty, haha.

Yeah, I probably underestimated the repair when I bought it. But, thankfully, it’s all fixed now, so no harm done.

And here’s something cool:

Even though I bought it secondhand, I reached out to Heritage Audio’s Support Center to ask if they could provide the plugin, and they happily gave it to me! The plugin is actually pretty solid, and I find myself using it quite a bit.

Hardware Measurements

The channel balance is pretty tight, though, being analog, it’s not completely perfect. You might wonder if the repair changed anything, but even before the noise issue, the balance was about the same.

The extreme high frequencies are slightly boosted, and, like many hardware units, it looks like there’s a high cut around 20kHz. The low frequencies are boosted as well.

The THD looks clean, but it definitely has some character.

The compression curve shows a gentle knee.

Even when limiting, it’s not a completely hard knee.

This unit has a max input of +22 dBu. Since pro audio typically works at +24 dBu, it’s a bit shy of that, but my interface operates at +20 dBu, so it’s plenty for my mixes or mix bus.

The max output is +26 dBu at 600 ohms, so as long as you manage the input carefully, it should work well for mastering too.

Plugin Measurements

The plugin has a unique feature called “Nuke.” It pushes the input by 20 dB for some intense saturation.

The top figure shows the default Frequency Response, and the bottom figure shows it with the Nuke function enabled.

Similarly, the top figure is the default Harmonic Distortion, and the bottom figure is with Nuke activated.

The compression curve feels less like a natural, smooth knee and more like it has a slight two-step bend somewhere.

Personal Impressions

Describing sound in words is probably the hardest thing. Everyone hears and expresses things differently, so… ugh, it’s tough.

Still, here’s what I think:

Hardware
  1. Compared to the Stam 4000 mk2, the high frequencies feel more alive, which gives it a certain quality that feels worth its price.
  2. The center feels a bit prominent (maybe because of the transformers?).
  3. The knobs feel great to turn—probably because they used high-quality variable resistors—and the Threshold and Gain have a subtle stepped feel.
  4. For its full price, it feels just about right.
Plugin
  1. The Frequency Response shows better high-end response than the hardware, but that sparkly, satisfying vibe just isn’t there in the plugin.
  2. The center feels quite prominent. In other words, you might need to tweak it with a stereo imager or something.
  3. It’s got a lot of character. So, when using it on a bus, you really need to pay attention to how it affects the balance.

Looking back, it sounds like I was pretty harsh on the plugin, but it’s actually good! Diode bridge compressor plugins aren’t exactly common (think UAD Neve 33609C or Arturia Diode 609), so it’s a solid new option to consider.

The hardware? Yeah, it’s great! I wish the highs sparkled just a bit more, but it’s plenty good as is.

Next up, I’m eyeing the Warm Audio WA76-D2 for a FET compressor. The audio samples sound amazing, but, as always, the biggest hurdle is money… sigh. If a broken one pops up on the secondhand market, I’m jumping on it.

I sometimes wonder if my reviews lean too technical or analytical, but hey, there’s gotta be at least one person out there reviewing stuff like this, right? Haha.

That’s it for today! See you in next post 🙂