The Tanchjim NORA is 16Ω at 107.0 dB/mW; the Tanchjim ORIGIN (Lost Manor) is 16Ω at 106.0 dB/mW. This page covers what they ask of an amplifier, not how they sound.
The ORIGIN (Lost Manor) needs 1.0 dB more than the NORA to reach the same loudness — 0.25 mW against 0.20 mW.
| Specification | NORA | ORIGIN (Lost Manor) |
|---|---|---|
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 107.0 dB/mW | 106.0 dB/mW |
| Sensitivity (voltage) | 125.0 dB/V | 124.0 dB/V |
| Power for 100 dB | 0.20 mW | 0.25 mW |
| Voltage for 100 dB | 57 mV | 63 mV |
| Current for 100 dB | 3.5 mA | 4.0 mA |
| Highest source impedance that leaves them alone (one-eighth rule) | 2.00 Ω | 2.00 Ω |
| Sources that reach 100 dB out of 280 | 280 | 280 |
Every source in the database that drives one of them drives the other. On power, the choice between these two changes nothing about what amplifier you need.
5 sources stay below the audible-hiss threshold with the ORIGIN (Lost Manor) but cross it with the NORA (Lake People G103-S Mk II, Schiit Valhalla 3, RME Babyface Pro FS, 2 more).
280 of the 280 sources here reach 100 dB on both.
The ORIGIN (Lost Manor) is more demanding than 18% of the 567 non-electrostatic models in this database; the NORA than 14%.
| dB SPL | NORA power | NORA voltage | ORIGIN (Lost Manor) power | ORIGIN (Lost Manor) voltage |
|---|---|---|---|---|
| 80 | 2.0 µW | 6 mV | 2.5 µW | 6 mV |
| 85 | 6.3 µW | 10 mV | 7.9 µW | 11 mV |
| 90 | 0.02 mW | 18 mV | 0.03 mW | 20 mV |
| 95 | 0.06 mW | 32 mV | 0.08 mW | 36 mV |
| 100 | 0.20 mW | 57 mV | 0.25 mW | 63 mV |
| 105 | 0.63 mW | 0.10 V | 0.79 mW | 0.11 V |
| Source | Price | Headroom, NORA | Headroom, ORIGIN (Lost Manor) | Output impedance | Noise |
|---|---|---|---|---|---|
| JadeAudio JA11 | $20 | 18.8 dB | 17.8 dB | 0.5 Ω | 1.7 µV |
| FiiO KA11 | $29 | 30.9 dB | 29.9 dB | 0.7 Ω | 1.7 µV |
| FiiO BTR13 | $59 | 27.8 dB | 26.8 dB | 0.6 Ω | 1.0 µV |
Of the 280 sources here, 280 reach 100 dB on both. 62 of them also publish an output impedance low enough for both under the one-eighth rule and a noise figure that stays below the audible-hiss threshold with both.
The cheapest of the 62 is the JadeAudio JA11, at $20. It leaves 18.8 dB of headroom on the NORA and 17.8 dB on the ORIGIN (Lost Manor), its output impedance is 0.5 Ω against a one-eighth limit of 2.00 Ω for both, and its noise figure puts the hiss floor 10 dB and 11 dB below the 20 dB SPL this site treats as the point where a quiet room stops hiding it.
| Model | As printed | Tolerance | Standard |
|---|---|---|---|
| NORA | 2-48 kHZ | not printed | not printed |
| ORIGIN (Lost Manor) | 2-48KHZ | not printed | not printed |
Tanchjim prints 2-48 kHZ for the NORA and 2-48KHZ for the ORIGIN (Lost Manor).
For both: Tanchjim prints this row in Chinese and puts the unit only on the upper figure, so the lower number carries no unit of its own.
Neither range has a tolerance printed beside it, so a wider range on one sheet is not deeper bass or more treble.
Not a measurement; maker by maker.
Both have a page of their own. In full: Tanchjim NORA and Tanchjim ORIGIN (Lost Manor). Every figure on this page comes from what Tanchjim published, or is derived from it — what that maker publishes, counted.