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With over 10 years of experience in electrostatic amplifier designs. The all-new 3ES is our flagship electrostatic headphone amplifier and preamplifier. It shares the same architecture as our flagship WA33 dynamic headphone amplifier in a two-unit design where the top unit is an amplifier docking on the power supply using our internal coupling architecture (ICA) technology. The 3ES employs two 6SN7 driver tubes pushing four 300B power tubes as the output stage and one rectifier tube in the center of the amp. The new 3ES achieves the most ambitious dream in the audio world.
Compatible with 5-pin 580v (Pro-bias) for STAX, HiFiMan, MrSpeakers headphones
Dual headphone output [simultaneous operation]
Compatible with all STAX, HiFiMan Shangri-la Jr., Dan Clark Audio VOCE electrostatic headphones
TKD (Tokyo Ko-on Denpa) 4-channel balanced smooth potentiometer
XLR input x 2, RCA input x 1
User selectable output: pre-amp or headphone
Maximum output 1500Vrms
Anodized aluminum chassis, available in black or silver
Self-biasing with compatible tubes [chart]
Dimensions [without tubes]: 17 3/4" (W), 7 1/4" (H), 13 1/2" (D) / 450.85mm (W), 184.15mm (H), 342.90mm (D), weight: 52 lbs. / 24 kg.
Voltage: AC 100 - 120V 60HZ or AC220 - 240V, 50HZ, voltage built to destination country
Designed and assembled in New York, USA
Three-year limited warranty [learn more]
Mundorf Supreme Silver/Gold audio capacitors
Single Crystal copper hook-up and signal wires are used throughout.
Alps RK50 4-channel volume control in brass enclosure
Cardas Audio XLR and WBT RCA connectors
3ES Elite Edition 24k gold-plated plaque
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