If you are considering replacing your NAD M33 with the NAD M66, there are several benefits and improvements worth noting based on the available information.

Firstly, the NAD M66 features enhanced dynamic range and clarity, making it a more engaging listening experience. Users have reported that the M66 provides better performance in terms of depth, imaging, and overall sound quality compared to the M33. For instance, a review on Sound Advice highlights that the M66 exhibits superior clarity and resolution, which could significantly enhance your audio experience.

Moreover, the M66 incorporates the full-range version of Dirac Live, which allows for more precise adjustments to audio performance, particularly at higher frequencies and sub-200 Hz ranges. This capability offers users greater control over their audio environment, which may lead to improved sound quality tailored to individual preferences.

In practical terms, the physical design similarities between the M66 and M33, such as size and touchscreen interface, mean that upgrading does not require a significant adjustment period in terms of operation or aesthetic integration into your existing setup. However, the improvements in performance, particularly noted in dynamic playback and bass response, may justify the investment for serious audiophiles.

For older NAD models or for users seeking a high-end streaming DAC and preamplifier, the M66 appears to be a worthwhile upgrade, especially if you value the intricacies of sound detail and dynamic range.

For further insights and experiences shared by users, you can explore discussions on dedicated forums. Here are several relevant links for a deeper understanding:

1. Audio Science Review discussion on M66 vs M33: Read here
2. SoundStage HiFi review of the M66: Check it out
3. Audiogon discussion about M66 user experiences: Explore the forum
4. AVForums news on M66 features: Learn more here
5. Sound Advice review on M66 performance: Read the review

In conclusion, upgrading from the NAD M33 to the M66 could offer significant benefits in sound quality and control, making it a compelling option for audiophiles looking for the best performance from their audio systems.

Sources

NAD M66 (vs NAD M33 and M10V2)SoundStageHiFi.com - NAD Masters M66 Streaming PreamplifierIntegrated vs separates buying advice : r/StereoAdvice - RedditAnybody else get a NAD M66 yet? - Audiogon Discussion ForumNEWS: NAD unveils Master M66 BluOS Streaming DAC ... - AVForumsNAD M66 - Sound Advice ReviewNAD M66 (vs NAD M33 and M10V2) | Page 4

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