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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Woo Audio 3ES (2nd generation) is a flagship two-chassis electrostatic headphone amplifier and stereo preamplifier. Its tube circuit uses four 300B output tubes, 6SN7 driver tubes, and a 5U4G rectifier. It provides 5-pin, 580 V PRO-bias operation for compatible electrostatic headphones, including models from STAX, Dan Clark Audio, HiFiMAN, and Audeze. The amplifier offers dual electrostatic-headphone outputs, balanced and single-ended line inputs, and balanced preamplifier outputs. It is designed and assembled in New York, USA.
Amplification power output and characteristics
Analog signal output specifications
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
Components that show up alongside the 3ES (2nd gen) Electrostatic in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The Super 2A3 SET's power @ 8ω is 3.5W against the 3ES (2nd gen) Electrostatic's 1.5kW, its output impedance 4Ω against 5Ω, and its output voltage 3.5V RMS against 1.5V RMS. Both share input impedance (100000Ω).
The AS133's output impedance is 50000Ω against the 3ES (2nd gen) Electrostatic's 5Ω and its weight 22 kg (49 lbs) against 24.5 kg (54 lbs). Both share input impedance (100000Ω) and class (Tube).
The The Tube MKIII's output impedance is 50Ω against the 3ES (2nd gen) Electrostatic's 5Ω, its output voltage 2.5V RMS against 1.5V RMS, its weight 14.97 kg (33 lbs) against 24.5 kg (54 lbs), and its width 431.8 mm against 445 mm.
The WES (2nd gen) Electrostatic's power @ 8ω is 1.3kW against the 3ES (2nd gen) Electrostatic's 1.5kW, its output voltage 1.3V RMS against 1.5V RMS, its class A against Tube, and its weight 18.14 kg (40 lbs) against 24.5 kg (54 lbs).
Einstein Audio TU3
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