Aperture Audio HPA-1 Headphone Amplifier
A composed, technically capable desktop amplifier with excellent ergonomics and a few deliberately conservative choices.
Categories
Headphones
How to Read Headphone Frequency-Response Measurements
A graph becomes useful only when the fixture, target, smoothing, and positional variation travel with it.
Caldera Reference 2 Headphones
Expressive, carefully tuned headphones whose weight and clamp will divide listeners.
Output Impedance Without the Folklore
Output impedance is a system interaction. Its importance depends on the headphone’s own impedance curve.