Does the Schiit Fulla 4 drive the Focal Clear (original)?

Computed from measured specifications · target SPL 110 dB · load 50 Ω

Ample

The Schiit Fulla 4 drives the Focal Clear (original) with ample headroom (~11.8 dB headroom at 50 ohms; needs ~9.9 mW, delivers 150 mW).

Headroom
11.8 dB
Required (110 dB SPL)
9.9 mW
Delivered (@ 50 Ω)
150 mW
Required voltage
0.95 Vrms

Power Headroom

Headroom: 11.8 dB 0 · target 11.8 dB below target marginal adequate ample -14 dB +10 +20 +36 dB

Scale shows dB headroom above the 9.9 mW required to reach 110 dB SPL. Amp delivers 150 mW at 50 Ω (+11.8 dB above target).

Focal Clear (original) Dynamic · over-ear
Impedance (rated) 55 Ω
Impedance (measured) Source: reference-audio-analyzer.pro/en/r… 90.6 Ω measured
Sensitivity (rated) 104.0 dB/mW
Sensitivity (measured) 100.05 dB/mW measured
Driver Dynamic
Spec basis Measured
Measured by Reference Audio Analyzer (https://reference-audio-analyzer.pro/en/report/hp/focal-clear.php) · 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

Schiit Fulla 4 on Amazon ↗ Focal Clear (original) on Amazon ↗

Disclosure: links above are Amazon affiliate links. As an Amazon Associate this site earns from qualifying purchases — at no extra cost to you. Affiliate commissions do not influence verdicts; all analysis is computed independently from the data.

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