Does the Drop THX AAA 789 drive the AKG K240 Studio?

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

Ample

The Drop THX AAA 789 drives the AKG K240 Studio with ample headroom (~13.6 dB headroom at 32 ohms; needs ~79.4 mW, delivers 1800 mW).

Headroom
13.6 dB
Required (110 dB SPL)
79.4 mW
Delivered (@ 32 Ω)
1800 mW
Required voltage
2.09 Vrms

Power Headroom

Headroom: 13.6 dB 0 · target 13.6 dB below target marginal adequate ample -14 dB +10 +20 +36 dB

Scale shows dB headroom above the 79.4 mW required to reach 110 dB SPL. Amp delivers 1800 mW at 32 Ω (+13.6 dB above target).

AKG K240 Studio Dynamic · over-ear
Impedance 55.0 Ω rated
Sensitivity 91.0 dB/mW rated
Driver Dynamic
Spec basis Rated
Rated: AKG official spec (55 Ω, 91 dB/mW at 1 mW). Note: AKG uses dB/V for most models but explicitly states 1 mW here. RAA has no page. · Source ↗
Drop THX AAA 789 Desktop Ss · Single Ended
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
Drop product page SE figures: 3000/1800/200/100 mW at 16/32/300/600 Ω. THX AAA topology, output impedance <0.1 Ω (class spec). · Source ↗

Where to buy

Drop THX AAA 789 on Amazon ↗ AKG K240 Studio on Amazon ↗

Disclosure: links above are Amazon affiliate links. As an Amazon Associate this site earns from qualifying purchases — at no extra cost to you. Affiliate commissions do not influence verdicts; all analysis is computed independently from the data.

AmplifierHeadroom
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Schiit Magni Heretic Ample 13.0 dB
FiiO K7 Ample 11.9 dB
Little Dot MkII Marginal 1.0 dB
Apple USB-C to 3.5mm Insufficient -4.1 dB

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See all headphones for the Drop THX AAA 789 →