MA1 Silver Edition vs Class D
The Class D's power @ 8ω is 100W against the MA1 Silver Edition's 140W, its power @ 4ω 200W against 135W, its thd 0.100% against 0.500%, and its output impedance 0.01Ω against 2.3Ω.
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower AmplifiersTube AmplifiersDiscontinued
Estimated price (community-sourced)
$5,500
Around — community and catalog average, updates slowly
About the MA1 Silver Edition
The Atma-Sphere MA-1 Silver Edition is a premium monoblock amplifier, part of the MA-1 series, which is celebrated for its innovative Circlotronic® direct-coupled OTL output stage and fully differential, all-triode, zero-feedback design. This amplifier is recognized for its ability to deliver deep, precise bass, a sumptuous and revealing midrange, and extended, neutral highs. The Silver Edition features a distinctive chassis with polished, welded corners and a refined aesthetic. The MA-1 Silver Edition is designed for audiophiles seeking the ultimate in transparency, dynamics, and musicality.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 140W @ 8Ω
- Power @ 4Ω
- 135W @ 4Ω
- Minimum Impedance
- 2.3Ω
- Input Impedance
- 100Ω
- Max Input Voltage
- 2.8V RMS
Analog Output
Analog signal output specifications
- THD
- 0.500%
- Output Impedance
- 2.3Ω
Connectivity
Input and output connections
- Analog Inputs
- RCA, XLR
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 460 × 220 × 430 mm (W × H × D)
- Weight
- 16.3 kg (36 lbs)
Key Specifications
Power: 140W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions