Atma-Sphere Class D Amplifier
Introducing the Atma-Sphere Class D Amplifier, a 2017 solid-state monoblock powerhouse that masterfully blends the sonic warmth of tube amplifiers with the efficiency of Class-D technology. Utilizing advanced GaNFETs, it delivers exceptional clarity and low distortion, consuming minimal power at idle. This amplifier is celebrated for its naturally smooth midrange and treble, ideal for vocals and instruments like violins and trumpets. It also provides a robust, warm lower midrange and bass response, making it a versatile choice for discerning listeners seeking refined audio performance.
$6120.00
Owner Satisfaction
4.4
/ 5
Category Rank
1465
/ 1719
#1465 in Power Amplifiers
Price vs Category Average
-26%
Below average
Output Power
10082004
/ watts per channel into Ω, watts per channel into Ω
Who it's for
- High Efficiency and Low Heat
- Compact and Lightweight Design
- Fast Transient Response
Who should skip it
- Departure from Brand Heritage
- Potential for Switching Noise
- Premium Price Point
Key Specs
Output Power
100 watts per channel into 8 Ω, 200 watts per channel into 4 Ω
Amplifier Class
D
Dimensions
13" deep x 11" wide x 3" high per chassis
Weight
14 lbs (6.35 kg) per chassis
Total Harmonic Distortion
less than 0.1% at full power
Input Impedance
100 KΩ balanced/single-ended
Power Consumption
5 watts at idle (per channel)
Frequency Response
1Hz-20KHz
Features
- Advanced GaN FET technology for superior performance
- Naturally smooth midrange and treble reproduction
- Runs exceptionally cool with low idle power draw
- Monoblock design for dedicated channel power
- Accepts both balanced and single-ended inputs
- Strong, warm lower midrange and bass response
- Compact and lightweight chassis design
- Handcrafted with hand-selected components
What customers say
Customers universally praise the Atma-Sphere Class D amplifier for its exceptional build quality and reliability, upholding the brand's engineering standards. Sonically, it delivers transparency, speed, and remarkable speaker control, typical of high-quality Class D designs. Many appreciate the efficiency and lower maintenance compared to traditional tube models. However, some loyalists feel it lacks the signature harmonic richness and expansive soundstage associated with classic OTL sound. The premium price point invites intense scrutiny regarding value against competitors. Overall sentiment strongly favors the technical achievement and quality, though brand enthusiasts debate whether it fully captures the core Atma-Sphere essence.
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$6120