Burson Audio

Burson HA-160 Headphone Amp – Discrete Class A | Dual Out

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HA-160
$299.99

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Description

For audiophiles seeking uncompromising headphone amplification, the Burson Audio HA-160 delivers reference-grade performance from a fully discrete Class A design built in Melbourne, Australia. This solid-state powerhouse drives demanding headphones with authority—delivering 650mW into 300 ohms and 800mW into 60 ohms while maintaining distortion below 0.001%.

The HA-160 showcases Burson's signature HD Opamp modules, constructed from hand-picked discrete transistors rather than integrated circuits, paired with a custom 24-position stepped attenuator featuring precision metal film resistors. Dual 1/4-inch headphone outputs accommodate both low-impedance (15-150 ohm) and high-impedance (150-500 ohm) designs, ensuring optimal drive across a wide range of listening pairs.

The 6mm clear-anodized sandblasted aluminum enclosure doubles as a complete heatsink, eliminating the need for conventional cooling solutions while maintaining a substantial 6kg chassis that resists microphonic resonance. Reviewers at The Absolute Sound praised its tonal balance and clarity, while Head-Fi community members note its ability to reveal fine detail with exceptional image density. The frequency response extends from 5Hz to 35kHz, preserving both sub-bass extension and treble airiness.

Specifications

TypeSolid-state, fully discrete Class A headphone amplifier
Frequency Response5Hz (-0.3dB) to 35kHz (-1dB)
THD<0.001% @ 6mW/300 Ohms
Signal-to-Noise Ratio>98dB at 0dB gain
Channel Separation>70dB at 10kHz
Input Impedance47K Ohms
Output Impedance5 Ohms
Output Power650mW @ 300 Ohms, 800mW @ 60 Ohms
Analog InputsOne stereo pair via gold-plated RCA jacks with Teflon insulators
Headphone OutputsTwo 1/4" phone jacks (left: 15-150Ω low Z; right: 150-500Ω high Z)
Volume ControlBurson 24-position stepped attenuator with <0.1% metal film resistors
Output StageTwo pairs of A1930/C5171 Toshiba transistors (push/pull)
Power Supply CapacitorsTwo Nippon ChemCorp 63V/10,000uF storage caps + 14 silver mica caps
Enclosure6mm clear-anodized sandblasted aluminum (doubles as heatsink)
Dimensions280 x 110 x 44mm
Weight6kg

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