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.
What are hifi reviews useful for? (1) Identifying products you should demo in person at a dealer. (2) Learning which products reviewers unanimously praise as the best they've heard (this means they probably are legitimately great). (3) Identifying a product's attributes that satisfy your idiosyncratic needs and tastes. Beyond that, we often discount what reviewers say because they heap praise on most products—and are often apprehensive about publishing strong criticism or comparisons between products. Further, they seldom have more than a few products on-hand, often relying on their memories to compare past products. Always listen for yourself.
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SQM
reviews
Video Review
Manufacturer details
Features
Specifications
Description
Looking for a cable that ends your restless quest? Science says you should minimize microphony and maximize shielding. Through a rational approach, cable design is liberated from the mistiness. SQM is the outcome of the ultimate execution of this strategy. This results in an unrivalled transparency. SQM takes the Grimm Audio cable philosophy of low microphonics and proper shielding to the next level. The resulting sound quality is a serious step up from Grimm's already excellent TPR cable.
SQM takes the Grimm Audio cable philosophy of low microphonics and proper shielding to the next level. The resulting sound quality is a serious step up from Grimm’s already excellent TPR cable. The way it treats reverb is astonishing, dynamics are greater, it sets a larger and deeper stereo image, and music flows in a disarmingly natural way.
Release Timeline
Manufacturer Site
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:
- The brand utilizes a custom-coded FPGA for precise digital filtering, which it believes outperforms standard DAC chip filters.
- Grimm Audio emphasizes clocking accuracy (low jitter) over achieving the highest possible PCM or DSD sample rates, incorporating a proprietary, ultra-stable clock design.
- The MU1 runs a custom Linux operating system and an optimized Roon Core Server implementation, moving away from standard libraries to exercise complete control over the code.
- They offer an end-to-end music system with a consistent design philosophy, from digital source to active loudspeakers, for an expertly-tuned audio chain.
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MU1
- Positioning: Positioned as the ultimate digital music source in Grimm Audio's lineup.
- Description: Features an in-house-designed FPGA interface board that ensures high-quality format conversion and ultra-low jitter. Compared to the MU2, focuses more on digital output and integration with systems like the LS1. Supports a wide range of digital inputs and outputs, making it compatible with various high-end audio systems, but lacks the analog preamp and DAC integration found in the MU2.
MU2
- Positioning: Serves as a versatile hub in Grimm Audio's lineup, combining a music streamer, DAC, and analog preamp.
- Description: Features integrated Major DAC and relay-based analog volume control, offering seamless handling of both digital and analog sources. Unlike the MU1, includes a high-performance DAC and analog preamp, making it suitable for users who want an all-in-one solution for both digital and analog audio.
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Avg. Product Price
$501-$1,000
Used For Sale
7
Available (Scroll Down)
Brand Popularity
209
of 900+
Badges
Top 50 Brand
Top 250 Brand
Products Listed
10
Founding Year
2004
Our take on the brand
Grimm Audio is a hifi brand that designs streaming DACs with their own custom-built digital-to-analog converter hardware, including a unique 1.5-bit architecture with an 11th-order noise shaper. Their flagship MU2 is a Roon-centric machine that serves as a complete audio system hub, featuring their own DMA controller for FPGA-to-CPU communication and proprietary Pure Nyquist filters for digital signal processing.
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