Product Strengths

• Exceptionally transparent sound output quality
• Exceptionally powerful, capable of outputting 500W into a 4-Ohm load
• Delivers a remarkably clean, transparent sound with very little noise or distortion
• The amplifier's ability to reproduce bass is awe-inspiring and delivers deep, powerful bass without distortion
• Runs cool and weighs very little for its sound output, making it easy to move around

Product Considerations

• Options can be a little pricy, such as the 12v trigger and RCA inputs
• The Starkrimson Stereo Ultra may lead to further system upgrades
• Depending on your sources, the Starkrimson Stereo Ultra will play exactly what you feed it, good or bad, and if your source components are slow, the Starkrimson Stereo Ultra will not speed them up
• Power on only after all connections are properly made, including the power cord, analog inputs, and speaker outputs, and wait five minutes after powering it off before removing any of the connections

Comparisons (according to reviewers)

• Compared to the Krell S550i integrated amp, the Starkrimson Stereo Ultra showed a much faster and finer resolution of the upper frequencies of the human voice and a far greater ability to play more of the microdetails of a recording

Takeaway: The Starkrimson amplifier is well-built and provides a level of speed and transparency to hifi music that makes listening to music very fun. Its GaN modules can be upgraded and it is available in several configurations.

Product Strengths

• Offers clean, transparent, and powerful sound, with extraordinarily low noise and distortion
• Provides abundant power on tap
• Demonstrates a neutral sonic character, adding nothing and taking away nothing from the music
• Features a compact and lightweight design, making it easy to place near speakers and move around
• Operates with high efficiency and cool running due to GaN transistors and a universal power supply
• Has only balanced (XLR) inputs, requiring RCA-to-XLR adapters if your preamp lacks balanced outputs

Product Considerations

• The physical appearance of the amplifiers is simple and may not appeal to those prioritizing aesthetics
• Some reviewers would have liked a front-panel power switch and pilot light
• When paired with Magnepan LRS+ speakers, it lacked low-end punch without a subwoofer

Comparisons (according to reviewers)

• It sounded a little more transparent and colorful than the Benchmark AHB2, while the Benchmark sounded a bit more mellow
• The Ultra Premium model provides more power, headroom, and expanded dynamics than the Orchard Audio Starkrimson Mono Premium Amps

Takeaway: The Starkrimson Mono Ultra Premium amplifiers offer a powerful and neutral sound experience in a compact design. They are a great option for audiophiles seeking a transparent and dynamic sound without unnecessary coloration.

Product Strengths

• Runs cool and weighs very little for its sound output
• Delivers exceptionally transparent sound output quality and is exceptionally powerful
• Uses GaN modules that can be upgraded
• Shows a much faster and finer resolution of the upper frequencies of the human voice, and a far greater ability to play more of the microdetails of a recording

Product Considerations

• Depending on your sources, the Starkrimson Stereo Ultra will play exactly what you feed it—good or bad
• If your source components are slow, the Starkrimson Stereo Ultra will not speed them up
• The Starkrimson Stereo Ultra may lead to further system upgrades
• It must not be powered on until all connections are properly made
• One must wait five minutes after powering it off before removing any of the connections

Takeaway: The Starkrimson is a very transparent and powerful amplifier that can reveal new levels of detail in music. It is a great choice for audiophiles looking for exceptional sound quality and the ability to upgrade its components

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.