Gem vs Ayon Audio Spirit SE II
The Spirit SE II's power @ 8ω is 15W against the Gem's 5W and its power @ 4ω 12W against 5W. Both share input impedance (100000Ω) and class (A).
AI-generated product photo — not official manufacturer imagery.
Gem
Atma-SphereAmplifiersIntegrated AmplifiersTube AmplifiersHeadphone Amplifiers
Estimated price (community-sourced)
$4,350
Around — community and catalog average, updates slowly
About the Gem
The Atma-Sphere Gem is a fully differential push-pull Class A tube amplifier designed for versatility in small spaces or headphone use. It employs high-quality precision components, overbuilt output transformers rated for 10 watts, and concepts from Atma-Sphere's larger OTL amplifiers. Offering crystal clarity, transient speed, and transparency rivaling both SET and push-pull designs, it excels in resolution and dynamics despite its low power. Originally for bedroom systems emphasizing reliability, its low noise makes it ideal for headphones, and it supports efficient main systems.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 5W @ 8Ω
- Power @ 4Ω
- 5W @ 4Ω
- Amplifier Class
- A
- Minimum Impedance
- 4Ω
- Input Impedance
- 100000Ω
Analog Output
Analog signal output specifications
- Max Output Voltage
- 5.0V RMS
Connectivity
Input and output connections
- Digital Inputs
- RCA
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 178 × 127 × 305 mm (W × H × D)
- Weight
- 5.7 kg (13 lbs)
Key Specifications
Power: 5W
Frequency: 5-100000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions