Does the Schiit Magni Heretic drive the AKG K240 Studio?

Computed from rated specifications · target SPL 110 dB · load 50 Ω

Verdict

Ample

The Schiit Magni Heretic drives the AKG K240 Studio with ample headroom (~13.0 dB headroom at 50 ohms; needs ~79.4 mW, delivers 1600 mW).

Headroom
13.0 dB
Required (110 dB SPL)
79.4 mW
Delivered (@ 50 Ω)
1600 mW
Required voltage
2.09 Vrms

Power Headroom

Headroom: 13.0 dB 0 · target 13.0 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 1600 mW at 50 Ω (+13.0 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 ↗
Schiit Magni Heretic Desktop Ss · Single Ended
Output impedance manufacturer 0.2 Ω
Power @ 16 Ω 2800 mW
Power @ 32 Ω 2400 mW
Power @ 50 Ω 1600 mW
Power @ 300 Ω 410 mW
Power @ 600 Ω 215 mW
Power source Manufacturer
Manufacturer-rated: 2800/2400/1600/410/215 mW at 16/32/50/300/600 Ω. 16/32/300 confirmed from Schiit product page; 50/600 from original project fixture (step 1). Output impedance 0.2 Ω from Schiit spec. · Source ↗

Where to buy

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