Does the Drop THX AAA 789 drive the Meze 99 Classics?

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

Ample

The Drop THX AAA 789 drives the Meze 99 Classics with ample headroom (~25.6 dB headroom at 32 ohms; needs ~5.0 mW, delivers 1800 mW).

Headroom
25.6 dB
Required (110 dB SPL)
5.0 mW
Delivered (@ 32 Ω)
1800 mW
Required voltage
0.40 Vrms

Power Headroom

Headroom: 25.6 dB 0 · target 25.6 dB below target marginal adequate ample -14 dB +10 +20 +36 dB

Scale shows dB headroom above the 5.0 mW required to reach 110 dB SPL. Amp delivers 1800 mW at 32 Ω (+25.6 dB above target).

Meze 99 Classics Dynamic · over-ear
Impedance 32.0 Ω rated
Sensitivity 103.0 dB/mW rated
Driver Dynamic
Spec basis Rated
Rated: Meze official spec (32 Ω, 103 dB/mW). RAA has no measurement 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 ↗ Meze 99 Classics 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.

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