// Reference Nine — flagship, open-back
We publish the measurements nobody asked for.
Every unit that leaves this building has been swept in an anechoic chamber and matched to within half a decibel of its pair. The plot ships in the box. If it disagrees with the marketing, the marketing is wrong.
- THD at 1 kHz
- below 0.02%
- Pair matching
- ±0.5 dB
- Upper limit
- 48 kHz
- Impedance
- 300 Ω
Measurements
The plot, before the paragraph.
| Driver | 80 mm planar magnetic |
|---|---|
| Impedance | 300 Ω |
| Sensitivity | 96 dB / mW |
| THD at 1 kHz | below 0.02% |
| Pair matching | ±0.5 dB, 20 Hz – 10 kHz |
| Frequency response | 6 Hz – 48 kHz |
| Mass | 396 g without cable |
The catalogue.
Signal path
Four stages, and what each one is allowed to change.
01 Source
Bit-perfect out. Nothing here should colour anything.
02 Conversion
Where jitter and dynamic range are decided. Both published.
03 Amplification
Output impedance below one ohm, so the load does not shape the response.
04 Transducer
The only stage that is allowed a character, because physics gives it one.