Does the Schiit Fulla 4 drive the Philips SHP9500?

Computed from rated specifications · target SPL 110 dB · load 32 Ω

Verdict

Ample

The Schiit Fulla 4 drives the Philips SHP9500 with ample headroom (~14.0 dB headroom at 32 ohms; needs ~7.9 mW, delivers 200 mW).

Headroom
14.0 dB
Required (110 dB SPL)
7.9 mW
Delivered (@ 32 Ω)
200 mW
Required voltage
0.50 Vrms

Power Headroom

Headroom: 14.0 dB 0 · target 14.0 dB below target marginal adequate ample -14 dB +10 +20 +36 dB

Scale shows dB headroom above the 7.9 mW required to reach 110 dB SPL. Amp delivers 200 mW at 32 Ω (+14.0 dB above target).

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. · Source ↗
Schiit Fulla 4 Dac Amp · Single Ended
Output impedance manufacturer 0.5 Ω
Power @ 16 Ω 300 mW
Power @ 32 Ω 200 mW
Power @ 50 Ω 150 mW
Power @ 300 Ω 40 mW
Power @ 600 Ω 20 mW *est.
Power source Manufacturer
* Loads marked "est." are derived from the published voltage ceiling at a lower-impedance load (V = √(P·R) → P_higher = V²/R_higher). All derivations are upward only.
Schiit Fulla 4 manufacturer spec: 300/200/150/40 mW at 16/32/50/300 Ω. NOTE: prior project fixture used 400/300/220/40 — those figures match the Fulla 3 or an earlier revision; updated to Fulla 4 (current product). Output impedance from Schiit spec. · Source ↗

Where to buy

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