Does the Drop THX AAA 789 drive the Audeze LCD-X?
Computed from measured specifications · target SPL 110 dB · load 16 Ω
Verdict
AmpleThe Drop THX AAA 789 drives the Audeze LCD-X with ample headroom (~24.4 dB headroom at 16 ohms; needs ~11.0 mW, delivers 3000 mW).
24.4 dB
11.0 mW
3000 mW
0.46 Vrms
| Impedance (rated) | 20 Ω |
| Impedance (measured) Source: reference-audio-analyzer.pro/en/r… | 19.45 Ω measured |
| Sensitivity (rated) | 96.0 dB/mW |
| Sensitivity (measured) | 99.6 dB/mW measured |
| Driver | Planar |
| Spec basis | Measured |
| Output impedance manufacturer | 0.1 Ω |
| Power @ 16 Ω | 3000 mW |
| Power @ 32 Ω | 1800 mW |
| Power @ 300 Ω | 200 mW |
| Power @ 600 Ω | 100 mW |
| Power source | Manufacturer |
Planar-magnetic headphones can have high current demands that are not fully captured by the power headroom model. Even with adequate headroom, some solid-state amps may struggle to deliver sufficient peak current for transient dynamics. Prefer amps rated for low-impedance planars.
Where to buy
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Other amplifiers for the Audeze LCD-X
| Amplifier | Headroom |
|---|---|
| Schiit Lyr 3 | Ample 27.4 dB |
| Schiit Asgard 3 | Ample 26.6 dB |
| Topping DX3 Pro+ | Ample 22.2 dB |
| FiiO K7 | Ample 20.5 dB |
| Little Dot MkII | Adequate 9.6 dB |
| Apple USB-C to 3.5mm | Adequate 4.5 dB |
Other headphones the Drop THX AAA 789 can drive
| Headphone | Headroom |
|---|---|
| Koss Porta Pro | Ample 28.2 dB |
| Grado SR80x | Ample 27.9 dB |
| AKG K702 | Ample 16.9 dB |
| HiFiMan Edition XS | Ample 16.6 dB |
| Beyerdynamic DT 770 Pro 250 | Adequate 7.5 dB |
| Beyerdynamic DT 990 Pro | Adequate 6.4 dB |