Headphones the Schiit Magni Heretic Drives

Desktop Ss · Single Ended

Output impedance 0.2 Ω manufacturer

Output type Single Ended Desktop Ss

Power output 2800 mW @ 16 Ω 2400 mW @ 32 Ω 1600 mW @ 50 Ω 410 mW @ 300 Ω 215 mW @ 600 Ω

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 ↗

30 ample 1 adequate

✓ Ample headroom 30

Headphone	Headroom	Damping	Driver
Grado SR80x	Ample 29.1 dB	✓ ok	Dynamic
AKG K371	Ample 28.6 dB	✓ ok	Dynamic
Koss Porta Pro	Ample 27.6 dB	✓ ok	Dynamic
Meze 99 Classics	Ample 26.8 dB	✓ ok	Dynamic
Sennheiser HD 560S	Ample 25.7 dB	✓ ok	Dynamic
Sony MDR-7506	Ample 25.6 dB	✓ ok	Dynamic
Philips SHP9500	Ample 24.8 dB	✓ ok	Dynamic
Audio-Technica ATH-M50x	Ample 24.1 dB	✓ ok	Dynamic
Audeze LCD-X	Ample 24.1 dB	✓ ok	Planar
Audio-Technica ATH-AD700X	Ample 23.8 dB	✓ ok	Dynamic
Audeze LCD-2 Classic	Ample 23.0 dB	✓ ok	Planar
Sennheiser HD 599	Ample 22.9 dB	✓ ok	Dynamic
Focal Clear (original)	Ample 22.1 dB	✓ ok	Dynamic
Sennheiser HD 660S	Ample 19.6 dB	✓ ok	Dynamic
HiFiMan Arya	Ample 18.8 dB	✓ ok	Planar
Beyerdynamic DT 770 Pro 80	Ample 18.2 dB	✓ ok	Dynamic
Sennheiser HD 800 S	Ample 17.7 dB	✓ ok	Dynamic
Sennheiser HD 600	Ample 16.6 dB	✓ ok	Dynamic
Sennheiser HD 650	Ample 16.5 dB	✓ ok	Dynamic
HiFiMan Sundara	Ample 16.5 dB	✓ ok	Planar
AKG K702	Ample 16.4 dB	✓ ok	Dynamic
HiFiMan Edition XS	Ample 16.3 dB	✓ ok	Planar
AKG K712 Pro	Ample 15.0 dB	✓ ok	Dynamic
Drop + Sennheiser HD 6XX	Ample 13.9 dB	✓ ok	Dynamic
Beyerdynamic T1 (3rd Gen)	Ample 13.3 dB	✓ ok	Dynamic
AKG K240 Studio	Ample 13.0 dB	✓ ok	Dynamic
Beyerdynamic DT 880 Pro	Ample 11.7 dB	✓ ok	Dynamic
Audio-Technica ATH-R70x	Ample 11.3 dB	✓ ok	Dynamic
Fostex T50RP Mk3	Ample 11.1 dB	✓ ok	Planar
Beyerdynamic DT 770 Pro 250	Ample 10.6 dB	✓ ok	Dynamic

◑ Adequate headroom 1

Headphone	Headroom	Damping	Driver
Beyerdynamic DT 990 Pro	Adequate 9.5 dB	✓ ok	Dynamic