Review: The $199 made in the US Schiit Asgard 3 headphone amp/preamp

Schiit Asgard 3, https://www.schiit.com/products/asgard-1

I compared the ‘3 with the $399 Schiit Jotunheim, https://www.schiit.com/products/jotunheim

Asgard 3 specs

Frequency Response: 20Hz-20Khz, -0.1db, 2Hz-400KHz, -3dB
Maximum Power, 16 ohms: 5W RMS per channel
Maximum Power, 32 ohms: 3.5W RMS per channel
Maximum Power, 50 ohms: 2.5W RMS per channel
Maximum Power, 300 ohms: 600mW RMS per channel
Maximum Power, 600 ohms: 300mW RMS per channel
THD: Less than 0.002%, 20Hz-20KHz, at 1V RMS, high gain mode (worst case)
IMD: Less than 0.002%, CCIF at 1V RMS, high gain mode (worst case)

SNR: More than 115db, unweighted, referenced to 1V RMS, in low gain mode

Crosstalk: Less than -87dB, 20Hz-20KHz

Output Impedance: Less than 0.2 ohms in high or low gain mode

Input Impedance: 22K ohms

Gain: High = 6 (15.6dB) or Low = 1 (0dB), via rear switch

Topology: Fully discrete, current feedback with Continuity™ constant-transconductance output stage and stacked power supply rails

Protection: Standard muting relay for delayed turn-on and fast turn-off

Power Supply: Internal 48VA power transformer with 4 separate power supply rails and over 20,000uf of filter capacitance

Power Consumption: 30W

Size: 9 x 6 x 2"

Weight: 5 lbs

My original Schiit Asgard CNET review from 2010, https://www.cnet.com/news/how-to-make-good-headphones-sound-great/
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