Quad
Node quality is engine node quality — mean across evidenced axes; spec-and-review derived. Node quality is spec-and-review derived; treat small differences between neighbouring components as directional rather than exact.
| Component | Role | Node quality | Chains (of 120) |
|---|---|---|---|
| ESL-2812 | Loudspeaker | 77.8 | — |
| ESL-2912 | Loudspeaker | 76.9 | — |
| Artera Mono (pair) | Monoblocks | 70.8 | — |
| Artera Pre | Preamplifier | 68.2 | 2 |
| 303 | Power amplifier | 67.6 | — |
| Vena II | Integrated amplifier | 67.6 | — |
| 33 | Preamplifier | 67.5 | — |
| Artera Stereo | Power amplifier | 67.0 | — |
| 303 (bridged-mono pair) | Monoblocks | 66.4 | 1 |
9 components; unscored rows carry no evidenced axes yet.