Does the Schiit Lyr 3 drive the Sennheiser HD 560S?

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

Ample

The Schiit Lyr 3 drives the Sennheiser HD 560S with ample headroom (~31.5 dB headroom at 32 ohms; needs ~4.3 mW, delivers 6000 mW).

Headroom
31.5 dB
Required (110 dB SPL)
4.3 mW
Delivered (@ 32 Ω)
6000 mW
Required voltage
0.83 Vrms

Power Headroom

Headroom: 31.5 dB 0 · target 31.5 dB below target marginal adequate ample -14 dB +10 +20 +36 dB

Scale shows dB headroom above the 4.3 mW required to reach 110 dB SPL. Amp delivers 6000 mW at 32 Ω (+31.5 dB above target).

Sennheiser HD 560S Dynamic · over-ear
Impedance (rated) 120 Ω
Impedance (measured) Source: reference-audio-analyzer.pro/en/r… 161.7 Ω measured
Sensitivity (rated) 110.0 dB/mW
Sensitivity (measured) 103.7 dB/mW measured
Driver Dynamic
Spec basis Measured
Measured by Reference Audio Analyzer (https://reference-audio-analyzer.pro/en/report/hp/sennheiser-hd-560s.php) · Source ↗
Schiit Lyr 3 Desktop Tube · Single Ended
Output impedance manufacturer 0.3 Ω
Power @ 32 Ω 6000 mW
Power @ 300 Ω 900 mW
Power @ 600 Ω 450 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 Lyr 3 manufacturer spec: 6000 mW @ 32 Ω, 900 mW @ 300 Ω per channel. Output impedance 0.3 Ω from Schiit spec. Hybrid tube topology (tube input stage, solid-state output). 600 Ω derived from 300 Ω. · Source ↗

Where to buy

Schiit Lyr 3 on Amazon ↗ Sennheiser HD 560S 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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