Does the JDS Labs Atom Amp 2 drive the Audeze LCD-X?

Computed from measured specifications · target SPL 110 dB · load 32 Ω

Verdict

Ample

The JDS Labs Atom Amp 2 drives the Audeze LCD-X with ample headroom (~23.8 dB headroom at 32 ohms; needs ~11.0 mW, delivers 2650 mW).

Headroom
23.8 dB
Required (110 dB SPL)
11.0 mW
Delivered (@ 32 Ω)
2650 mW
Required voltage
0.46 Vrms

Power Headroom

Headroom: 23.8 dB 0 · target 23.8 dB below target marginal adequate ample -14 dB +10 +20 +36 dB

Scale shows dB headroom above the 11.0 mW required to reach 110 dB SPL. Amp delivers 2650 mW at 32 Ω (+23.8 dB above target).

Audeze LCD-X Planar · over-ear
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
Measured by Reference Audio Analyzer (https://reference-audio-analyzer.pro/en/report/hp/audeze-lcd-x.php) · Source ↗
JDS Labs Atom Amp 2 Desktop Ss · Single Ended
Output impedance manufacturer 0.1 Ω
Power @ 32 Ω 2650 mW
Power @ 150 Ω 570 mW
Power @ 300 Ω 286 mW
Power @ 600 Ω 143 mW
Power source Manufacturer
JDS Labs product page: 2650/570/286/143 mW at 32/150/300/600 Ω per channel. All published — no derivations. Output impedance <0.1 Ω from manufacturer. · Source ↗
Planar driver note

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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