Does the Schiit Magni Heretic drive the Philips SHP9500?
Computed from rated specifications · target SPL 110 dB · load 32 Ω
Verdict
AmpleThe Schiit Magni Heretic drives the Philips SHP9500 with ample headroom (~24.8 dB headroom at 32 ohms; needs ~7.9 mW, delivers 2400 mW).
Headroom
24.8 dB
24.8 dB
Required (110 dB SPL)
7.9 mW
7.9 mW
Delivered (@ 32 Ω)
2400 mW
2400 mW
Required voltage
0.50 Vrms
0.50 Vrms
Philips SHP9500
Dynamic · over-ear
| Impedance | 32.0 Ω rated |
| Sensitivity | 101.0 dB/mW rated |
| Driver | Dynamic |
| Spec basis | Rated |
Rated: Philips official spec (32 Ω, 101 dB/mW). RAA has no measurement page.
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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.
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Where to buy
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Other amplifiers for the Philips SHP9500
| Amplifier | Headroom |
|---|---|
| Schiit Lyr 3 | Ample 28.8 dB |
| Schiit Asgard 3 | Ample 26.4 dB |
| Topping DX3 Pro+ | Ample 23.6 dB |
| FiiO K7 | Ample 21.9 dB |
| Little Dot MkII | Ample 11.0 dB |
| Apple USB-C to 3.5mm | Adequate 5.9 dB |
Other headphones the Schiit Magni Heretic can drive
| Headphone | Headroom |
|---|---|
| Grado SR80x | Ample 29.1 dB |
| AKG K371 | Ample 28.6 dB |
| Beyerdynamic DT 770 Pro 80 | Ample 18.2 dB |
| Sennheiser HD 800 S | Ample 17.7 dB |
| Beyerdynamic DT 770 Pro 250 | Ample 10.6 dB |
| Beyerdynamic DT 990 Pro | Adequate 9.5 dB |