Does the Schiit Magni Heretic drive the Drop + Sennheiser HD 6XX?
Computed from rated specifications · target SPL 110 dB · load 300 Ω
Verdict
AmpleThe Schiit Magni Heretic drives the Drop + Sennheiser HD 6XX with ample headroom (~13.9 dB headroom at 300 ohms; needs ~16.7 mW, delivers 410 mW).
Headroom
13.9 dB
13.9 dB
Required (110 dB SPL)
16.7 mW
16.7 mW
Delivered (@ 300 Ω)
410 mW
410 mW
Required voltage
2.24 Vrms
2.24 Vrms
Drop + Sennheiser HD 6XX
Dynamic · over-ear
| Impedance | 300.0 Ω rated |
| Sensitivity | 97.77 dB/mW rated |
| Driver | Dynamic |
| Spec basis | Rated low confidence |
Electrically equivalent to Sennheiser HD 650 (same driver assembly). Rated specs derived from HD 650 manufacturer documentation. No RAA measurement page for this Drop collab.
· 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 ↗
Headphone specification confidence: low
The headphone's rated specifications are from estimated or secondary sources. Measured figures (where present) are more reliable.
Where to buy
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Other amplifiers for the Drop + Sennheiser HD 6XX
| Amplifier | Headroom |
|---|---|
| Schiit Lyr 3 | Ample 17.3 dB |
| Schiit Valhalla 2 | Ample 16.8 dB |
| Topping L30 | Ample 12.2 dB |
| Topping A90 | Ample 11.7 dB |
| iFi Zen DAC V2 | Adequate 3.3 dB |
| Apple USB-C to 3.5mm | Insufficient -7.0 dB |
Other headphones the Schiit Magni Heretic can drive
| Headphone | Headroom |
|---|---|
| Grado SR80x | Ample 29.1 dB |
| AKG K371 | Ample 28.6 dB |
| HiFiMan Arya | Ample 18.8 dB |
| Beyerdynamic DT 770 Pro 80 | Ample 18.2 dB |
| Beyerdynamic DT 770 Pro 250 | Ample 10.6 dB |
| Beyerdynamic DT 990 Pro | Adequate 9.5 dB |