Woo Audio GES Headphone Amplifier
Best tube-driven amplifier for dedicated electrostatic headphone enthusiasts.
This is the definitive choice for enthusiasts who want to unlock the ethereal detail of electrostatic headphones without sacrificing the warmth of tubes. It demands a bit of patience for tube rolling and maintenance, but the reward is a lush, highly customizable sound that solid-state alternatives simply cannot replicate.
$1599.00
Who it's for
- Design-conscious listeners wanting a beautiful, premium centerpiece
- Audiophiles seeking uncompromising clarity and expansive soundstage
- Electrostatic headphone owners demanding perfect power synergy
Who should skip it
- Budget-minded buyers avoiding luxury-tier audio equipment
- Listeners who also use dynamic or planar magnetic headphones
- Newcomers without existing high-end electrostatic headphone gear
Performance breakdown
Electrostatic Drive Capability
Engineered specifically to extract peak performance from any STAX headphone model.
Sonic Customization
Tube rolling flexibility allows users to fine-tune the sound signature effortlessly.
Build Integrity
Point-to-point wiring and anodized aluminum ensure lasting durability and signal purity.
Component Quality
High-performance Solen and WIMA capacitors deliver exceptional audio fidelity and stability.
Global Versatility
Universal voltage compatibility makes this a reliable choice for international audiophiles.
Input Flexibility
Dual RCA inputs are functional but limited for modern, multi-source setups.
Key Specs
Tubes
6S4 x 4 power, 12AX7 x 4 driver
PTFE tube sockets
Push-Pull, Class A direct drive
High-performance Solen and WIMA capacitors
Point-to-point wiring
2 x RCA input
STAX Pro Bias 5-pin speaker output
ALPS potentiometer and power switch
Anodized aluminum chassis
Global voltage (100v–240v)
Know before you buy
Still have a question?
Ask Metto anything about the Woo Audio GES Headphone Amplifier before you decide.