AI Overview
The Audio Note Soro and OTO are integrated amplifiers that differ primarily in their output stage and sound characteristics; the Soro typically uses 6L6 tubes for a dynamic sound, while the OTO uses EL84 tubes for a richer, denser sound. The Soro is available in single-ended (Level 2) or push-pull (Level 1) configurations, while the OTO is a push-pull EL84 amplifier with a strong reputation for providing exceptional value at its price point. Ultimately, the choice depends on your preference for sound signature and the pairing with your loudspeakers.
Audio Note Soro
- Tube Output: The Soro typically uses 6L6 output tubes.
- Sound Characteristics: Known for a very dynamic sound.
- Design Options: Offered in both push-pull (Level 1) and single-ended (Level 2) designs, with the single-ended version featuring a more direct signal path.
Audio Note OTO
- Tube Output: The OTO uses EL84 output tubes.
- Sound Characteristics: Generally described as having a dense, rich sound, a contrast to the Soro’s dynamic signature.
- Reputation: The OTO is considered a highly popular and high-value integrated amplifier within the Audio Note range.
Key Differences
- Output Tubes: Soro uses 6L6s, while the OTO uses EL84s.
- Sound Profile: The Soro leans towards dynamism, whereas the OTO provides a richer, denser sound.
- Configuration: The Soro has more configuration options (single-ended or push-pull), while the OTO is primarily known as a push-pull design.
Making a Choice
- Listen First: As with any high-fidelity component, the best approach is to listen to both amplifiers with your own speakers to determine which sound signature you prefer.
- Speaker Compatibility: The choice can also depend on the loudspeakers you plan to use.
- Consider Your Priorities: Do you prioritize a dynamic, punchy sound (Soro) or a richer, denser presentation (OTO)? Your preference for these characteristics will guide your decision.
“why SE vs push-pull?” They typically sound better imo. Truer to the tone of the music.

