Does the Topping L30 drive the Audio-Technica ATH-AD700X?

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

Verdict

Ample

The Topping L30 drives the Audio-Technica ATH-AD700X with ample headroom (~23.6 dB headroom at 32 ohms; needs ~10.0 mW, delivers 2300 mW).

Headroom
23.6 dB
Required (110 dB SPL)
10.0 mW
Delivered (@ 32 Ω)
2300 mW
Required voltage
0.62 Vrms

Power Headroom

Headroom: 23.6 dB 0 · target 23.6 dB below target marginal adequate ample -14 dB +10 +20 +36 dB

Scale shows dB headroom above the 10.0 mW required to reach 110 dB SPL. Amp delivers 2300 mW at 32 Ω (+23.6 dB above target).

Audio-Technica ATH-AD700X Dynamic · over-ear
Impedance 38.0 Ω rated
Sensitivity 100.0 dB/mW rated
Driver Dynamic
Spec basis Rated
Rated: Audio-Technica official spec (38 Ω, 100 dB/mW). RAA has no measurement page for this model. · Source ↗
Topping L30 Desktop Ss · Single Ended
Output impedance manufacturer 0.1 Ω
Power @ 32 Ω 2300 mW
Power @ 300 Ω 280 mW
Power @ 600 Ω 140 mW *est.
Power source Manufacturer
* Loads marked "est." are derived from the published voltage ceiling at a lower-impedance load (V = √(P·R) → P_higher = V²/R_higher). All derivations are upward only.
Manufacturer-rated: 2300 mW @ 32 Ω (The Headphone List review spec table, THD+N<0.1%), 280 mW @ 300 Ω (multiple sources). 600 Ω derived from 300 Ω voltage ceiling. Output impedance <0.1 Ω from manufacturer. · Source ↗

Where to buy

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