PA21 Power Amplifier
Best high fidelity sound for discerning audiophiles.
The Mystere pa21 is a 55 watt per channel stereo tube power amplifier that offers a unique blend of power and sonic purity. It features a push-pull, Class AB design with KT88 output tubes, and can also accommodate EL34s with a simple toggle switch. This amplifier boasts larger transformers and more power supply capacitance than its PrimaLuna counterparts, ensuring robust performance. The auto-bias circuit simplifies tube rolling, allowing users to easily experiment with different tubes for sonic customization. Its design prioritizes a wide frequency response and a lush midrange, characteristic of tube amplification, while minimizing undesirable odd-order harmonics.
$2995.00
Owner Satisfaction
4.5
/ 5
Category Rank
1677
/ 2552
#1677 in Power Amplifiers
Price vs Category Average
-64%
Below average
Who it's for
- Audiophiles seeking a classic, immersive sonic signature for their listening sessions.
- Discerning listeners valuing long-term reliability and a visually appealing audio component.
- Listeners prioritizing emotional connection and lifelike realism in their high-fidelity system.
Who should skip it
- Users preferring a low-maintenance setup without ongoing component replacement expenses.
- Consumers with limited ventilation options or concerns about room temperature fluctuations.
- Environmentally conscious users or those mindful of long-term operational electricity costs.
Performance breakdown
Dynamic Headroom
Effortlessly handles complex musical peaks without a hint of strain.
Sonic Transparency
Delivers an uncolored, honest signal that lets your source shine through.
Build Integrity
Heavy-duty chassis construction ensures long-term stability and vibration resistance.
Thermal Management
Efficient heat dissipation keeps performance consistent during extended listening sessions.
Speaker Compatibility
Robust current delivery drives even demanding low-impedance speakers with ease.
Noise Floor
Near-silent operation reveals subtle details hidden in the quietest passages.
What customers say
Customers consistently praise the PA21 Power Amplifier by Mystère for its exceptional sound quality and robust build. Many reviewers highlight the amplifier's ability to deliver a rich, detailed, and engaging audio experience, often noting its impressive clarity and dynamic range. The solid construction and premium components contribute to a strong sense of reliability and durability. While it represents a significant investment, users frequently express satisfaction with its performance, perceiving it as a high value proposition for serious audio enthusiasts seeking a refined listening experience.
Know before you buy
The PA21 is designed to be highly versatile, but it performs best when paired with a high-quality tube or solid-state preamplifier that offers a neutral sound signature. Because the PA21 is transparent, it will accurately reflect the sonic character of whatever source or preamp you place in front of it.
While the PA21 is robust enough to drive a wide range of speakers, it excels with speakers that have a sensitivity rating of 87dB or higher. If you are using low-sensitivity or difficult-to-drive loads, ensure your listening room size is appropriate to maintain optimal headroom.
Like most high-performance power amplifiers, the PA21 generates heat during operation. You should provide at least 4 to 6 inches of clearance on the top and sides to ensure proper airflow and prevent thermal shutdown.
Yes, the PA21 can be integrated into a home theater system, provided your AV receiver or processor features dedicated pre-outs. It is an excellent choice for powering your main front left and right channels to improve overall musicality and depth.
Absolutely. The amplifier is engineered for stability and consistent performance, making it well-suited for extended listening. Its internal components are selected for durability, ensuring the sound quality remains consistent even after the unit has reached its optimal operating temperature.
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$2995