Pass Labs HPA-1
The HPA-1 headphone amplifier was designed ground-up to become what we believe is one of the very best sounding headphone amplifiers available today. With low feedback, wide bandwidth and a direct coupled MOSFET output stage, this musical instrument drives even the most difficult headphone loads with ease, power and grace. The HPA-1 also functions as a line-level preamplifier that sonically rivals much higher-priced competition. The measured performance is superb and the sound even better.
The HPA-1 headphone amplifier was designed ground-up to become what we believe is one of the very best sounding headphone amplifiers available today. With low feedback, wide bandwidth and a direct coupled MOSFET output stage, this musical instrument drives even the most difficult headphone loads with ease, power and grace. The HPA-1 also functions as a line-level preamplifier that sonically rivals much higher-priced competition. The measured performance is superb and the sound even better.
The HPA-1 headphone amplifier was designed ground-up to become what we believe is one of the very best sounding headphone amplifiers available today. With low feedback, wide bandwidth and a direct coupled MOSFET output stage, this musical instrument drives even the most difficult headphone loads with ease, power and grace. The HPA-1 also functions as a line-level preamplifier that sonically rivals much higher-priced competition. The measured performance is superb and the sound even better.
“Enter the Pass Labs HPA-1: it’s a powerful and versatile, standout headphone amp that can double as a superb preamplifier for a two channel speaker system. Boasting the iconic and minimalistic machined aluminum chassis typical of Pass Labs, it delivers a deeply satisfying, vivid, and robust aural experience”
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Gain (dB: )8 db
Frequency Response 10hz – 100k: -1 dB
Output Power into 20 ohms: 3500 mW
THD + Noise: < 0.005 at 1V out
Out Power into 300 ohms: 200 mW
Input Impedance: 50K Ohm
Output Impedance: < 2 ohms
Power Consumption (Watts): 23
Unit Dimension (W x D x H) (In.): 11 x 13.5 x 4
Unit Weight (LBS): 14
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