Note that this is a discontinued product. You may want to visit the brand's page here to browse their newer products.
What reviewers think
Bloggers and YouTubers have tried this product—so we've summarized their strongest opinions below. Links to full reviews follow.
All
The Atlas Magnum III
reviews
Manufacturer details
- Power Output: 100 WPC
- Frequency Response: 20Hz-30KHz bandwidth
- Tubes: (2) 12AX7, (2) 12AU7, (4) KT88 output tubes
- Transformer Taps: 4 and 8 ohm
- Inputs: Gold plated RCA
- Power Requirements: 120V/240V - 50/60Hz
- Dimensions: 18" W x 17"D x 6.75" H
- Shipping Dimensions: 25" W x 23"D x 11" H
- Weight: 55 LBs (shipping)
Brand highlights
Taking a step back to look at reviewers' thoughts of the brand's entire lineup—not just this product—what stands out most is the following:
- Rogue Audio integrates tubes into hybrid designs using a proprietary "tubeD" topology, incorporating them directly into the output stage and feedback network to shape the Class D sound.
- Rogue prioritizes parts quality and "Made in the USA" manufacturing by utilizing regionally sourced metalwork, top-shelf internal components, and hand-testing each unit before shipment.
Select products
Atlas Magnum III
- Positioning: Positioned as an affordable yet high-performance tube amplifier in Rogue Audio's lineup.
- Description: Features a robust 100 watts per channel of tube power. Includes an Ultralinear/Triode switch, offering flexibility between power and smoothness, which is not available in the more advanced models like the Stereo 100. This makes it ideal for users seeking high-quality sound in medium-sized rooms without breaking the bank, while its compatibility with 4 and 8-ohm speakers ensures broad system compatibility.
Stereo 100
- Positioning: A mid-range offering in Rogue Audio's lineup, providing a balance of power and refinement.
- Description: Delivers 100 watts of tube power with the option to switch between triode and ultralinear modes. Unlike the Atlas Magnum III, it uses KT120 tubes for enhanced power and dynamics. Its high-quality components include Mundorf EVO Oil capacitors.
Medusa
- Positioning: A high-end hybrid amplifier in Rogue Audio's lineup, combining tube and solid-state technologies.
- Description: Stands out with its hybrid design, integrating tube warmth with the power and efficiency of Class D amplification. This unique combination offers a smooth, natural sound with the dynamics of solid-state, setting it apart from the all-tube designs like the Atlas Magnum III and Stereo 100.
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Used
Rogue
What if you spend more?
Imagine a new kind of amplifier that combines the best of both the solid state and tube technologies. An energy efficient "green" design requiring no tube biasing or regular maintenance. An amplifier having the smooth and organic sound that only tubes can provide combined with the dynamics and slam of the solid state. Such an amplifier now exists! Critics are already using words like "Groundbreaking" and "Revolutionary" to describe our new tube/Class D hybrid amplifiers.
Product Strengths
- Powerful enough to drive the vast majority of loudspeakers with ease, outputting 300Wpc into 8 ohms and 500Wpc into 4 ohms
- A level of near-granular finesse and clarity
- Micro-dynamics are reproduced, capturing the snap and rattle of a drum snare, the flutter of a harp, the plink of a harpsichord, or the clap and jingle of a well-struck tambourine
- Timbral and textural contrasts between instruments was nothing less than exacting
- The Rogue resolved the full character of lengthy instrumental and acoustic sustains, including the final decay of the immense bass drum, right down to the tactile ripple of its drumhead
Product Considerations
- Top end was open if not very airy
- The sound presentation was thicker and lusher than previously heard
Takeaway: The Rogue Audio DragoN offers plenty of power and resolving ability. It is a splendid piece of electronics that can grace any system.
Video review
Our take on the brand
Product Strengths
- Significant tube power for the price, being made in the US by a real audio company
- Sound quality reaches well beyond expectations of the price point with custom wound output transformers, boutique resistors and capacitors, along with four matched KT120 tubes per monoblock
- Excellent macro/micro dynamic shading
- Fantastic mid-bass through the lower midrange
Product Considerations
- The thin metal plates covering the amp's surfaces seemed a bit flimsy, ringing—and even rattling—when pinged with a fingernail
- Distinguishing the Pos+ from the Neg- symbols on the speaker posts is difficult
- The dials on the potentiometers are very small, and the tubes are very hot
Comparisons (according to reviewers)
- Compared to the Pass Labs XA30.5 two-channel amplifier in the article review
Takeaway: The Rogue Audio M-180 monoblock amplifiers offer a high-powered tube amp experience with impressive sound. They are dynamic, satisfying, and accurate, making them a great choice for those seeking a cost-conscious option.
Video review
Our take on the brand
Building on NAD’s long tradition of identifying and developing cutting-edge amplification technology, the M23 HybridDigital Stereo Power Amplifier features Purifi Audio’s Eigentakt™ design, a once-in-a-decade innovation that virtually eliminates harmonic and intermodulation distortion. Noise is inaudible, for a completely black background and exquisite micro-detail. Conservatively rated at 2x200W continuous into 8 ohms and 2x380W into 4 ohms, the M23 can deliver live performance levels through any loudspeaker. With its unique combination of features, performance, and value, the M23 represents the new benchmark for the stereo power amplifier.
Our summary
Product Strengths
- The M23's build quality feels solid and elegant, with impressive small design details
- The sound is striking in its purity and clarity
- It offers up to three levels of gain, switchable on the back panel, to best fit the system
- It provides a clear sound without sounding hard
- It features Purifi Eigentakt Class D amplification, which provides virtually unmeasurable distortion levels
Product Considerations
- The bass is clean but may be perceived as a little on the cool side and not as 'wompy-sounding'
- The M23 is not a forgiving amplifier that makes everything sound sweet and wonderful—it's not for those seeking a soft and mellow sound
- Bridging with speakers below 5 or 6 ohms is not recommended, as the amp will current limit and potentially shut down
- The reviewer found ergonomical challenges using fancy speaker cables in bridged mode due to wide terminal spacing
- The capacitive touch power button can accidentally trigger
Comparisons (according to reviewers)
- Vs Bel Canto C6i: The M23 offered a layer of refinement and better reproduction of the recording space
- Vs Pass XA25: The M23 had more transparent sound and detail, especially in the treble and upper mids, but lacked the organic quality of the XA25
- Vs HiFi Rose RS 520: The M23 sounded cleaner and had better separation/depth, HiFi Rose seemed to have an EQ built-in, emphasizing midrange and bass
- Vs NAD C298: The M23 is more neutral, deals with decay more naturally, and has better casework, making it look high-end
- Vs Anthem M1 monoblock amplifiers: The M23 was slightly more transparent throughout the entire frequency range
- Vs Bryston 4B 3: The Bryston had more grunt but the M23 is more neutral
Takeaway: The NAD M23 is a powerful and precise amplifier that delivers clean and clear sound, making it a great choice for audiophiles who want to hear their music as accurately as possible. It is especially well-suited for those looking to build a high-end system around a quality preamp or DAC.
Video review
Our take on the brand
Our summary
Product Strengths
- Delivers ample, clean, and dynamic power to all channels, ensuring speakers reach their full potential
- Designed by John Curl, featuring Class A/AB circuitry for a balance of warmth, richness, efficiency, and punch
- Pleasing sound for dialogue and music, with very high-quality and detail
- Versatile, suitable for both movies and music, with a low noise floor for quiet passages and great transparency—that doesn't color the sound
- Built to last, with high-quality internal components
- Signal-sensing power-on mode can be fussy and may require adjustment
Product Considerations
- Super heavy and large, potentially requiring rearranging a system or dedicated rack space
- Only available in anodized black
Comparisons (according to reviewers)
- The A52 Plus has bigger parts and bigger power than the Outlaw Model 5000, including balanced XLR connections
- A52 Plus is the 'teenager' compared to the elder Parasound A51
- Parasound A52+ sounds better, is more accurate, and more powerful than the Denon receiver's amplifier section
Takeaway: The Parasound A52+ Halo is a versatile and powerful amplifier that delivers clean, dynamic sound for both home theater and music systems, with a build quality designed to last. This is a worthy investment for audiophiles and home theater enthusiasts who seek high-quality audio performance.
Video review
Our take on the brand
What competes at this price?
Our Summary
Product Strengths
- Delivers a tube-like sound, with a warm and musical presentation
- Robust power supply with substantial capacitance (200,000 microfarads) provides good bass control and dynamics
- Transparent and precise sound, with a wide and deep soundstage
- Balanced design with both RCA and XLR inputs, the latter offering a cleaner and more dynamic sound
- Offers excellent value, outperforming other amplifiers in a similar price range
Product Considerations
- Requires a pre-amplifier to control volume
- May exhibit slight transformer noise when close to the unit
- Does not have pop control, requiring caution when plugging/unplugging connections
- Some reviewers found the logo placement slightly off-center and the blue LED power light too bright
- Bass control is not as punchy or defined for some tastes, leaning towards a tube-like bass delivery
Comparisons (according to reviewers)
- The TSA-75 has a different, more flavorful sound signature compared to the Orchard Audio's neutral sound
- The TSA-75 provides superior micro detail, cleanliness, clarity, and stereo imaging, compared to Schiit Audio Vidar 2
- Performance is head-to-head with the Denafrips Thalo, depending on sound preference—the more balanced, snappy presentation of the Thalo, or the more V-shaped sound with greater depth and soundstage of the TSA-75
- The TSA-75 has a distinct sound signature, unlike Emotiva amps
- The TSA-75 outperforms the McIntosh MC275 Mark VI in audiophile performance
Takeaway: The Galion Audio TS A75 is a well-built amplifier that delivers a warm, tube-like sound with good bass and a wide soundstage. It provides excellent value and is a great choice for those looking for a musical and engaging listening experience.
Video review
Our take on the brand
Our Summary
Product Strengths
- Robust, effortless power with excellent control makes it easy to drive all speakers with authority and deliver a satisfying listening experience.
- Balanced and neutral sound, with a solid low end that prevents it from sounding dull or anemic, while also ensuring it is not too aggressive to cause listening fatigue.
- Excellent timing makes music engaging and foot-tapping, and is particularly impressive with genres such as R&B and soundtracks.
- Built in the USA, it has a 5 year warranty and 15 day satisfaction guarantee
Product Considerations
- Not ideal for listeners seeking a romantic, sweet, and smooth midrange, or those who prefer a very lively sound.
- The amp required careful system matching to achieve its full potential, particularly needing a high-end preamp to unlock greater refinement and resolution.
- Bass performance might be seriously challenged by more modern amplifiers.
- There is a slight differential in gain
Comparisons (according to reviewers)
- Compared to Emotiva A1s, the Tyr has more bass, more clarity in the bass, and is less veiled overall
- Reminiscent of McIntosh 7270—the Tyr gives off similar 'Mac vibes'.
Takeaway:
The Schiit Tyr monoblocks deliver a lot of power and control, making music sound good with a balanced and neutral style. It's a great option for an amplifier that can handle almost any speaker and is versatile.
Video review
Our take on the brand
Our Summary
Product Strengths
- Breathtaking design with curved corners, symmetrical front faceplate, and a glass component revealing internal circuitry
- Powerful headphone amplifier capable of outputting up to 10W at 16Ω and 7W at 32Ω
- Good sound quality, described as clean, detailed, and punchy, with a balanced tonal presentation
- CNC machined aluminum remote control with rubber buttons
- Multiple inputs and outputs, including 6.35mm, 4.4mm, and 4-pin XLR outputs on the front, and optical, coaxial, AES, IIS, USB, and Bluetooth on the back, with RCA and XLR outputs for lineout and preamplifier lineouts
Product Considerations
- Glass top panel gets hotter than the aluminum housing
- The glass panel is a fingerprint magnet and requires cleaning regularly
- No analog line-in to pair the amplifier with 3rd party DACs
- No streaming capability via WiFi or LAN
- Some menu navigation can be cumbersome, requiring cycling through options rather than direct selection
Comparisons (according to reviewers)
- Compared to the Topping A90 and D90 stack, the DX9 has similar inputs, outputs and power, but the stack is more versatile, as the amp and DAC can be used separately— the DX9 has additional coaxial and optical inputs, and the sound is somewhat similar
- Compared to the HIFIMAN EF400, the DX9 has more inputs/outputs and more power, but the EF400 sounds warmer
- Compared to the Topping D90SE, the DX9 sounds more fun, its bass and midrange has more energy and oomph, but the D90SE is more transparent, though ultimately quite flat
- Compared to the AURALiC Altair G2.1, the DX9 sounds cleaner and better separated, with a small reduction in digital hash
Takeaway: The Topping DX9 is a beautiful and powerful all-in-one DAC/amp that offers a clean and detailed sound, making it suitable for both headphone and speaker setups. Its versatility and attractive design make it a compelling option for those seeking a high-quality audio solution.
Video review
Our take on the brand
Our Summary
Product Strengths
- GANFET transistors switch faster, are more heat resistant, and produce less distortion than MOSFET transistors
- A monstrous 400-watt regulated power supply
- Designed to work specifically with a source with a variable output, be it a silver disc-spinning device or one of today's best yet affordable HD music streamers
- Offers a level of audiophile performance that well exceeds any reasonable expectations that come with the amp's modest price tag
- Offers a super clean minimal setup when paired with the Bluesound Node
Product Considerations
- Has only one digital coaxial input, limiting connectivity options and expansion
- Lacks volume indication on the unit itself, requiring reliance on the source's volume control
- Some reviewers noticed a high-pitched noise coming from early prototypes, which was later fixed by Peachtree
- Isn't the type of amp that makes a poorly recorded song sound better
- Is a non-standard size
Comparisons (according to reviewers)
- Vs Bluesound Power Node: Setup has a much more substantial mid-range, better low-end control, and ever so slightly better speed with rhythmic transient attack
- Vs NAD M10 V2: Is the more dynamically relaxed
- Vs Hegel H190: Reviewers actually preferred the more forward presentation of midrange
Takeaway: The GAN1 is a forward-thinking piece of tech that prioritizes simplicity and sound quality for those who want to just stream music. It provides outstanding value and impressive performance, especially for those looking for a minimalist, high-fidelity system.
Video review
Our take on the brand
Our Summary
Product Strengths
- Clean and clear music with a very dead black background, allowing the music to breathe and swell naturally
- Very firm and deep bass response, sounding incredibly powerful
- Delivers a muscular sense of control over musical dynamics and instrumental transients, confirming an abundance of reserve power
- Accurate and transparent sound, reflecting changes in equipment and cables
- Sound signature similar to a really good class AB or class A amplifier, with natural and transparent sound and very good power and control
Product Considerations
- Some users may find the lack of an on/off light and remote control disconcerting
- At 105 dB range, the bass control gets weaker and the bass gets less pronounced
- Synergy-wise, it does not work well with R2R pre-stages
- Some found it a little less dynamic and a little too soft, but still good and engaging
- Needs to be powered on only when something is plugged into the outputs to avoid damage
Comparisons (according to reviewers)
- Vs Starke Sound ZA3s: Starkrimson is the next step above in clarity and power for home theater applications
- Vs SMSL A10A: There was an immediate change in soundstage and clarity when Starkrimson replaced the SMSL
- Vs Peachtree Nova: Starkrimson offered a riveting sound presentation, as opposed to the Peachtree Nova, which was less bold, but somewhat more nuanced
- Vs Class AB amp up to $3,000: Starkrimson has better noise control, accuracy, and transparency
Takeaway: The Starke Sound amplifier is a simple unit which produces a clean sound, with good detail and power. This amplifier is a great choice for audiophiles looking for a high-quality listening experience.
Video review
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