[Synonymous with deep bass] What is Mesa/Boogie Rectifier? A comparison of the features and reputation of current Rectifiers! [Dual, Triple, Badlander, etc.]

A legendary guitar amp that symbolizes the heavy rock and metal scene since the 90s

Mesa/Boogie Rectifier

The thick, dense distortion and pounding bass have become synonymous with "cool distortion," and the overwhelming sound pressure created by the deep, intense distortion has captivated many guitarists.

In this article, we'll thoroughly compare the features and differences of the current models in the Mesa/Boogie Rectifier series, and also provide user reviews of each model, tips for creating sounds, and answers to common questions.

What is Mesa/Boogie Rectifier?

Mesa/Boogie Rectifier is a series of high-gain vacuum tube guitar amplifiers developed by the American company Mesa Engineering (Mesa/Boogie) since the early 1990s. The first generation Dual Rectifier was released in 1992 and is known as a classic machine that defined the high-gain guitar sound of the 1990s.

The name "Rectifier" originally refers to the "rectifier tube" in an amplifier, and early models featured a unique function that allowed the user to switch between vacuum tube rectification and silicon diode rectification. This allows the user to choose between the soft sag feeling unique to vacuum tube rectification and the tight and stable response of diode rectification, providing a wide range of sound feelings.

The Dual Rectifier had two rectifier tubes (hence the "dual" design), but the later Triple Rectifier had three rectifier tubes ("triple") instead of the additional power tube, which gave it a massive 2W output. Both models evolved into three-channel models, with a wide range of modes from clean to intense high gain, making them versatile amps that can handle a variety of genres and playing styles, a complete reversal from the two-channel era that was exclusively for heavy metal. In fact, the Rectifier series has become a standard model used not only by metal guitarists, but also by fusion and jazz guitarists, and its name has been established as a unique brand.

Mesa/Boogie Rectifier | Current lineup chart

モデル	Dual Rectifier	Triple Rectifier	Rectifier Badlander 100	Rectifier Badlander 50	Rectifier Badlander 25	Mini Rectifier 25	Recto-Verb 25
output	100W / 50W (Can be switched for each channel)	150W / 50W (Can be switched for each channel)	100W/50W/20W (Multi-Watt Switch)	50W / 20W (Half output mode)	25W / 10W (2 mode switching)	25W / 10~15W (2 mode switching)	25W / 10~15W (2 mode switching)
Number of Channels	3 channels	3 channels	2 channels	2 channels	2 channels	2 channels	2 channels
Mode Configuration	Ch1: Clean/PushedCh2: Raw/Vintage/ModernCh3: Raw/Vintage/Modern	Ch1: Clean/PushedCh2: Raw/Vintage/ModernCh3: Raw/Vintage/Modern (Same as Dual)	CH1: Clean/Crunch/Crush CH2: Clean/Crunch/Crush (Two identical settings)	CH1: Clean/Crunch/Crush CH2: Clean/Crunch/Crush (Same as above)	CH1: Clean/Crunch/Crush CH2: Clean/Crunch/Crush (2 systems with the same settings)	Ch1: Clean/PushedCh2: Vintage/Modern (4 modes in total)	Ch1: Clean/PushedCh2: Vintage/Modern (4 modes in total)
Rectification method	Vacuum tube or diode Switching and channel selection possible	Vacuum tube or diode Switching and channel selection possible	Silicon Diode Fixing (No tube rectification)	Silicon Diode Fixing (No tube rectification)	Silicon Diode Fixing (No tube rectification)	Silicon Diode Fixing (No tube rectification)	Silicon Diode Fixing (No tube rectification)
パワー管	6L6GC x 4 pieces (Can also be replaced with EL34)	6L6GC x 6 pieces (EL34 replaceable)	EL34 x 4	EL34 x 2	EL84 x 2	EL84 x 2	EL84 x 2
Preamp Tube	12AX7 x 5	12AX7 x 5 (Estimated)	12AX7 x 5 (Estimated)	12AX7 x 5 (Estimated)	12AX7 x 5(Estimated)	12AX7 x 5 (Estimated)	12AX7 x 5 (Estimated)
Reverb	None	None	None	None	None	None	Yes (with spring reverb)
Major features	Multi-Watt (50/100W) compatible, traditional "Recto" sound. Equipped with 3ch/8 modes, covering everything from clean to super heavy. Bold/Spongy switch allows you to change the tension of the tone.	Overwhelming 150W headroom (50W switchable). Equipped with 3ch/8 modes. With 6 power tubes and 3 rectifier tubes, it has the maximum low end and clean margin.	The latest generation of Rectifier. Uses EL34 for mid emphasis and tight bass. 2ch configuration, but each channel has the same 3 modes for flexible settings. Built-in CabClone IR allows you to play/record even without a speaker.	A lower output version of the Badlander 100. Still powerful at 50W, with faster distortion and compression in 20W triode mode. Same features as the 100 but lighter and smaller. Versatile for home practice and live performances.	Lunchbox-sized mini lectrine. EL84 for crisp mids and firm highs. CabClone IR built-in. Weight approx. 8.6kg, excellent mobility for home recording and small live performances.	A tiny head in the size of a "lunchbox". Despite being 25W, it has 2ch/4 modes to deliver authentic Recto sound. 10-15W mode for home use. Lightweight at 5.5kg, it's easy to carry.	A combo/head model that adds reverb to the Mini Rectifier. The 1x12" combo is easy to carry and is perfect for home or small live performances. The sound quality is the same as the Mini, except for the reverb.

Mesa/Boogie Rectifier | Detailed explanation of each model

Mesa/Boogie / Dual Rectifier

The Dual Rectifier is Mesa/Boogie's signature ultra-high sound pressure, high gain amp. Its presence and sound are unmatched, and it is described as "an amp head that continues to be the symbol of heavy rock". With three channels, it can cover a wide range of tones from clean to modern lead sounds, and its thick distortion tone, called the "Recto sound", is loved by many top artists. The generous clean headroom provided by the 3W high output and the powerful distortion sound, described as a "wall of deep bass that resonates in your chest", give it a strong presence even at live venues.

User reviews: Many say that "Dual Rectifier is synonymous with heavy rock," and it is popular for its overwhelming high-gain sound. On the other hand, some say that "100W is an incomparable volume, so it's hard to use it at home, but it really shines on stage," and there are also comments that caution is needed when handling it due to its large output.

Mesa/Boogie / Triple Rectifier

The triple rectifier delivers an incredible 150W of power."A new dimension of power dominance"This model boasts a 3W output. Compared to the Dual Rectifier, the sound pressure and margin are in a class of their own, and the clean sound in particular can be played at a very high volume without distortion and with a crystal clear sound thanks to its output. While it shares the same 150-channel specifications and various functions as the Dual, the appeal of the XNUMXW model is its "thicker and deeper low-mid power." On the other hand, it can be said to be a "monster amp" that requires a suitable environment to make the most of its volume, as it can be played at a volume that is too loud for a typical live music venue.

Mesa/Boogie / Rectifier Badlander 100

The Badlander 100 is, in a word, a "modern version of the Rectifier." While inheriting the "heavyweight high gain" lineage of the Dual Rectifier of the past, the use of EL34 gives it a dense and tight midrange response, making it a more modern and easy-to-use distortion. From clean to crunch, the range is wider and more dynamic than ever before, and in crunch mode it has the flexibility to easily handle blues to classic rock-style drive.

It also supports speaker simulation output via CabClone IR, making it a versatile unit that can be used for everything from late-night headphone practice and silent recording to loud live performances."A versatile lecture for use in a variety of situations, from the bedroom to the stage."As the reviews suggest, this is a model that allows you to enjoy the Rectifier sound regardless of the environment.

Mesa/Boogie / Rectifier Badlander 50

The Badlander 50 is a medium-sized amp head that boasts a "small but clear recti-sound". Although it is only 50W, it is not to be underestimated, and it has a volume and sound pressure that will not get lost in the band.

In particular, the 50W mode has a solid low end and high headroom comparable to the 100W version, but when you switch to the 20W mode, you can easily get a comfortable distortion even at home. The tonal characteristics are not significantly different from the 100W version, but some users have said that "because of the lower output, the top end responds quickly and lightly," and it seems that the lightness and ease of play that is unique to the 50W can be felt.

Mesa/Boogie / Rectifier Badlander 25

The Badlander 25 is the latest mini rectifier that embodies the concept of "from the bedroom to the stage." At 25W, it has a tight and taut EL84 high gain, and at 10W, it has a lustrous compression that appears early on, giving you a rich tube feel even during late-night practice sessions.

Equipped with CabClone IR, it allows line recording without the need for microphones, and the ease of being able to connect directly to the mix just by connecting to the XLR makes it a strong ally for the home recording generation. With a weight of around 8 kg and the mobility of a traditional Rectifier, it is a "portable Mesa" for modern guitarists, with a thick low and clear mid range that is characteristic of the traditional Rectifier.

Mesa/Boogie / Mini Rectifier 25

The Mini Rectifier 25 has a full-fledged sound that is comparable to a full-size Rectifier, except for its size, and is described as "just a smaller Rectifier." The clean channel is the traditional Mesa crystal clean, and it is easy to use with effects, and when pushed, it can even cover a light crunch.

The distortion channel's Vintage mode provides a British-style sticky drive, while the Modern mode provides a hard, powerful metal tone with little noise; all four modes are practical. At full power of 4W, it can produce a volume loud enough for a live performance, and even at the 25W side, it resonates more than you'd expect, making it a reliable companion for small-scale live performances and rehearsal studio practice.

Mesa/Boogie / Recto-Verb 25

The Rectifier 25 is a model that combines the appeal and convenience of the Rectifier sound, as advertised: "Everyone loves that Rectifier sound, but you can get it easily and quickly!" The sound that comes out of the 1x12" combo is louder than you'd expect, and the thickness of the metal riffs in Modern mode in particular makes it hard to believe it's a combo.

The built-in reverb spreads clean tones beautifully, and you can get a lustrous, spacious sound even in jazz or ballads directly from the amp. You can enjoy natural distortion at just under 10W for home use, or push it out to the full 25W for a strong presence in the studio or live performance. It can be used flexibly according to the scene.

Mesa/Boogie Rectifier | How to set it up to get the best rectifier sound

Mesa/Boogie Rectifier | Frequently Asked Questions (FAQ)

What is the difference between Dual Rectifier and Triple Rectifier?

The biggest difference is the output wattage and the number of power tubes and rectifier tubes. The Dual has a 100W output and is equipped with four 6L6GC power tubes (two rectifier tubes), while the Triple has a 4W output and is equipped with six 2L150GC power tubes (three rectifier tubes). As a result, the Triple does not distort even at higher volumes when clean (it has more headroom), and can produce a clean sound with ease even in a band. On the other hand, the Dual has a smaller output, so it tends to distort more easily when the volume is turned up (the power tubes are more likely to saturate). In terms of sound quality, some people feel that the 6W Triple has a huge low end, while the 6W Dual is easier to distort even at low volumes. However, the volume difference between 6W and 3W is not simply 150 times, but is said to be about 100 to 150 times the perceived difference. In short, if you want maximum output and clean margin, choose the Triple, and if you want ease of handling and moderate distortion, choose the Dual. The Triple is also slightly heavier.

Do you have a Rectifier that I can use at home? Is it too loud?

It is true that the Dual/Triple Rectifier (100W/150W class) is too loud to use at home. However, Mesa/Boogie offers low-output models such as the Mini Rectifier 25 and Recto-Verb 25, as well as models such as the Badlander 25/50 that allow headphone practice and silent recording with the built-in CabClone IR. If you are mainly using it at home, we recommend models with 20-50W or less or models with IR function. For example, the smallest Mini Rectifier in the Rectifier series can be reduced to 25W mode, allowing you to enjoy comfortable vacuum tube saturation even at home. With the Badlander series, you can record directly to a computer without connecting a speaker. If you really want to use a high-output model such as the Dual/Triple indoors, you can either reduce the volume with a power attenuator, or lower the master volume as much as possible and adjust the texture with presence and gain. However, tube amplifiers perform better when the volume is turned up to a certain level, so a lower output model is more suitable for home use. Mesa also describes the Badlander 15 as a Rectifier that can be used from the bedroom to the stage, and there are certainly models that are suitable for use in home environments.

What is the reputation of Rectifier amps for their clean sound? Aren't they dedicated distortion amps?

The clean channel sound quality of the Mesa/Boogie Rectifier series is also highly rated. Originally, Mesa amps were based on the Fender clean tone and can produce a "beautiful crystal clean sound". In fact, users have said, "The Rectifier is great for clean sounds! It produces beautiful clean sounds." The high-output Dual/Triple models are less likely to distort even when the volume is turned up, and can produce a lustrous clean sound that won't get lost in a band. Even small models such as the Mini and Recto-Verb allow you to fine-tune the clean sound with an independent EQ. In addition, the Recto-Verb 25 is equipped with reverb, which makes the clean sound even richer, making it a good match for jazz and ballads. People tend to have a preconceived notion that it is "only for distortion," but the appeal of the Rectifier amp is that the clean sound is actually worth listening to.

Is there a difference in sound between the early 2-channel Rectifier and the current 3-channel model?

In 2010, Mesa/Boogie updated the Dual/Triple Rectifier from a 2-channel model to a 3-channel "Multi-Watt" model. Although the circuit and tone have been slightly changed with the addition of more channels, the overall Rectifier style has been retained. Users say that "using Channel 3 (Vintage mode) of the current 2-channel model will get you very close to the sound of the original 2-channel model." In fact, some people who have used both the original and current models say that "the current model has a more straightforward MID (midrange) effect and is easier to create sounds with," and it is easier to fine-tune. Mesa itself is also planning to release a new model in 2025."90s Dual Rectifier"As you can see from the level of reproduction of the specs, the basic tonal characteristics haven't changed much, so you can reproduce the nuances of the old model with the current model, depending on your own settings.

What is the difference between the Rectifier series and Mesa's Mark series?

Mesa/Boogie's Mark series (Mark V, JP-2C, etc.) and the Rectifier series have very different design philosophies and sound characters. Simply put, the Mark series excels in tight, mid-focused lead tones, while the Rectifier series excels in thick, low-end focused rhythm tones. The Mark series often uses graphic EQ to boost/cut the midrange for solo sounds, and is characterized by high-gain leads with plenty of sustain. On the other hand, the Rectifier amplifies the guitar's output with rich harmonics, and gives modern riffs and chords power with its solid bass and wide distortion. Rectifier also features many options that players can select, such as rectification method switching and multi-watt function. In terms of genre, the Mark series is said to fit 80s rock/metal and progressive rock, while the Rectifier series fits modern heaviness from the 90s onwards. However, in recent years, both series have become multi-channel and versatile amplifiers, so ultimately you can choose the one that suits your taste. Both are still Mesa's unique high-quality tube sound.

Mesa/Boogie Rectifier Summary | The high-gain masterpiece that established the heavy sound

As the name suggests, the Mesa/Boogie Rectifier series has established an unshakable position with its unique sound feel due to vacuum tube rectification and overwhelming distortion tone that built the foundation of modern high-gain amplifiers. In this article, we compare the current models (Dual/Triple, Badlander, Mini, Recto-Verb), and provide a detailed explanation of each model's features, user reviews, and sound creation tips.

The Rectifier series offers a wide variety of options depending on size and purpose. If you want to fully drive an amp head and four-cable on a big stage, the Dual or Triple Rectifier is the way to go. If you want the latest specs and convenience for home recording, the Badlander series is a strong choice. If you want to enjoy that sound easily, small machines such as the Mini Rectifier and Recto-Verb are useful. No matter which model you choose, the thick and rich high-gain sound unique to Mesa is still alive and well, and if you set it up properly, you can get a first-class sound from clean to fierce distortion.

Finally, the Rectifier sound is said to be the polar opposite of the king of amps, the Marshall, and has a rich, warm midrange. Because of its unique sound character, you may be confused about how to set it up the first time you play. However, as the explanations and user reviews in this article show, anyone can get the ideal Rectifier sound by following the key points. Please try out various modes and settings to pursue your own "Rectifier tone." The Mesa/Boogie Rectifier will give your guitar sound a new dimension of power and inspiration.