Does the Schiit Magni Heretic drive the Fostex T50RP Mk3?
Computed from measured specifications · target SPL 110 dB · load 50 Ω
Verdict
AmpleThe Schiit Magni Heretic drives the Fostex T50RP Mk3 with ample headroom (~11.1 dB headroom at 50 ohms; needs ~123.0 mW, delivers 1600 mW).
11.1 dB
123.0 mW
1600 mW
2.57 Vrms
| Impedance (rated) | 50 Ω |
| Impedance (measured) Source: reference-audio-analyzer.pro/en/r… | 53.65 Ω measured |
| Sensitivity (rated) | 91.0 dB/mW |
| Sensitivity (measured) | 89.1 dB/mW measured |
| Driver | Planar |
| Spec basis | Measured |
| 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 |
Planar-magnetic headphones can have high current demands that are not fully captured by the power headroom model. Even with adequate headroom, some solid-state amps may struggle to deliver sufficient peak current for transient dynamics. Prefer amps rated for low-impedance planars.
Where to buy
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Other amplifiers for the Fostex T50RP Mk3
| Amplifier | Headroom |
|---|---|
| Schiit Lyr 3 | Ample 16.9 dB |
| JDS Labs Atom Amp 2 | Ample 13.3 dB |
| Topping DX3 Pro+ | Ample 11.7 dB |
| FiiO K7 | Adequate 10.0 dB |
| Little Dot MkII | Insufficient -0.9 dB |
| Apple USB-C to 3.5mm | Insufficient -6.0 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 |