Woo Audio Inc. Single-ended, OTL Headphone and pre amplifier WA2

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Single-ended, OTL Headphone and pre amplifier - WA2 - Woo Audio Inc.
Elmhurst, NY, USA
Single-ended, OTL Headphone and pre amplifier WA2
Price: $1090 Color Black Silver * Power cord and interconnection cables are not included. * 1 pair of 6AS7/6080, 1 pair of 6922/6DJ8, and 1 pair of EZ80/6V4 are included. * Shopping cart applies to the U.S. buyers only. International buyers please contact us for shipping cost and payment instruction. Owner's Manual(PDF) Technical Specifications: Headphones impedance : 25-600 Ohms Input impedance: 100 Kilo-Ohms Frequency response: 8 Hz - 100 KHz -3dB Signal/Noise: 95 dB THD: = 0.08% Pre-amp Gain: 10 dB Voltage: Dual AC operation 110/220V, 50/60 Hz External dimension: 5½"(H), 13"(W), 9"(D) Weight: 17 lbs Standard Features: Point-to-Point wiring Two 6AS7 / 6080 [PDF] power tubes Two 6922 / 6DJ8 [PDF] drive tubes Two EZ80 [PDF] rectification tubes (6X4 is no longer used) Pseudo-dual power supply One pair of gold-plate pre-amp RCA outputs Four pairs of selectable gold-plate RCA inputs 1/4" (6.3mm) stereo headphone jack Full aluminum die-cast chassis, anodized finish Whole aluminum volume knobs and power switch button 120 watts toroidal power transformer Individual filter choke and rectifier per channel Alps potentiometer and power switch Silver-plated hook-up wires in Telfon jacket Power tubes upgrade: Sylvania 7236 NOS Hand-pick matched pair $120 (2 pcs) One of the best power tubes available for this amp. The 7236 vastly improves dynamic and soundstage. It has a very good speed, warm mid range, tight and deep bass. Buy and ship separately. Driver tubes upgrade 1: Hand-pick matched pair Philips 6922 JAN $40 (2 pcs) Low noise, smooth. Military grade, Joint Army Navy (JAN) tube. Buy and ship separately. Driver tubes upgrade 2: Hand-pick matched pair Sylvania 7308 JAN $260 (2 pcs) Ultra low noise and low microphonic, deep, clean bass, excellent extension on tremble, full body mid range. Buy and ship separately. Rectifier upgrade: Hand-pick matched pair Siemens 6V4 NOS matched pair $160 (2 pcs) Warm, rich texture. Silky smooth tremble. Deep, clean bass. Low noise. Buy and ship separately.
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Technical Specifications

  Woo Audio Inc.
Product Category Audio Amplifiers and Preamplifiers
Product Number WA2
Product Name Single-ended, OTL Headphone and pre amplifier
Type Audio Amplifier
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