Does the Schiit Lyr 3 drive the Sennheiser HD 600?

Computed from measured specifications · target SPL 110 dB · load 300 Ω

Ample

The Schiit Lyr 3 drives the Sennheiser HD 600 with ample headroom (~20.0 dB headroom at 300 ohms; needs ~8.9 mW, delivers 900 mW).

Headroom
20.0 dB
Required (110 dB SPL)
8.9 mW
Delivered (@ 300 Ω)
900 mW
Required voltage
1.77 Vrms

Power Headroom

Headroom: 20.0 dB 0 · target 20.0 dB below target marginal adequate ample -14 dB +10 +20 +36 dB

Scale shows dB headroom above the 8.9 mW required to reach 110 dB SPL. Amp delivers 900 mW at 300 Ω (+20.0 dB above target).

Sennheiser HD 600 Dynamic · over-ear
Impedance (rated) 300 Ω
Impedance (measured) Source: reference-audio-analyzer.pro/en/r… 352.1 Ω measured
Sensitivity 100.5 dB/mW measured
Driver Dynamic
Spec basis Measured
Measured by Reference Audio Analyzer (https://reference-audio-analyzer.pro/en/report/hp/sennheiser-hd-600.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 600 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.

AmplifierHeadroom
Schiit Valhalla 2 Ample 19.5 dB
Schiit Asgard 3 Ample 18.3 dB
Topping L30 Ample 15.0 dB
Topping A90 Ample 14.5 dB
iFi Zen DAC V2 Adequate 6.1 dB
Apple USB-C to 3.5mm Insufficient -4.3 dB

See all amplifiers for the Sennheiser HD 600 →

HeadphoneHeadroom
Koss Porta Pro Ample 33.4 dB
Grado SR80x Ample 33.1 dB
Sennheiser HD 660S Ample 23.0 dB
HiFiMan Arya Ample 22.7 dB
Beyerdynamic DT 770 Pro 250 Ample 14.0 dB
Beyerdynamic DT 990 Pro Ample 12.9 dB

See all headphones for the Schiit Lyr 3 →