Does the Schiit Magni Heretic drive the Sennheiser HD 599?

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

Ample

The Schiit Magni Heretic drives the Sennheiser HD 599 with ample headroom (~22.9 dB headroom at 50 ohms; needs ~8.1 mW, delivers 1600 mW).

Headroom
22.9 dB
Required (110 dB SPL)
8.1 mW
Delivered (@ 50 Ω)
1600 mW
Required voltage
0.78 Vrms

Power Headroom

Headroom: 22.9 dB 0 · target 22.9 dB below target marginal adequate ample -14 dB +10 +20 +36 dB

Scale shows dB headroom above the 8.1 mW required to reach 110 dB SPL. Amp delivers 1600 mW at 50 Ω (+22.9 dB above target).

Sennheiser HD 599 Dynamic · over-ear
Impedance (rated) 50 Ω
Impedance (measured) Source: reference-audio-analyzer.pro/en/r… 75.45 Ω measured
Sensitivity (rated) 106.0 dB/mW
Sensitivity (measured) 100.9 dB/mW measured
Driver Dynamic
Spec basis Measured
Measured by Reference Audio Analyzer (https://reference-audio-analyzer.pro/en/report/hp/sennheiser-hd-599.php) · 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

Schiit Magni Heretic on Amazon ↗ Sennheiser HD 599 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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