Woo Audio Inc. WA5 Audio Amplifiers and Preamplifiers

Price: $3150 Black Silver* amp and PSU ships with molded foam* power umbilical cord inside a double wall box included. *Includes 1 pair of 300B,6SN7 and 2 tube rectifiers. *Excludes AC power cord and RCA interconnect cables. *Shopping cart is only available to US buyers. International buyers please contact for shipping and payment instructions. User Manual (PDF) Technical Specifications: Two 300B PDF power tubes Two 6SN7 PDF driver tubes Two 5U4G PDF rectifier tubes Voltage: AC 110\/220V,50\/60Hz External dimensions (each): 8½ (H),9\(W),17\(D) Weight: Amperes: 35 lbs.,Power Supply Unit: 40 lbs. Headphone Amplifier Specs: Headphone Impedance: 8-800 Ohms Frequency Response: 10 Hz â€\ 60 kHz,-2dB Power Output = 1.5 watts Signal/Noise: = 95 dB THD: = 0.08%,1 kHz Speaker Amplifier Specifications: Power Output: = 10 watts x 2,THD = 3%,1 kHz Frequency Response: 16â€\38 kHz,-2dB Output Impedance: 8 ohms Signal/Noise: =90 dB Standard Features: Independent headphone and speaker circuits High-end output transformer design Point-to-point wiring Optional speakers,AKG-K1000,High and low impedance dynamic headphone output switch One 1/4 Headphone jack and XLR connector for the K1000 Four pairs of gold plate RCA inputs Optional input switch Two pairs of gold plate speaker terminals Parts upgrade: $1100 pre-installed parts upgrade package. (Part upgrades are included with the purchase of the amplifier and are not sold separately) We have carefully selected audiophile graded parts that are most likely to bring ultimate performance from the amplifier. V-shaped cover input coupling cover. Matching pair of 0.15uf/600V Jensen voltage filter cap,220uf/450V black gate bypass (6SN7 cathode) cap,220uf/160V black gate bypass (6SN7 cathode) cap,220uf/16V black gate bypass ( 300B cathode) cap,470uf\/160V Jensen decoupling cap,100u\/500V Teflon tube socket upgrade: $150 (8 pin x 4,4 pin x 2) Teflon is a high quality material with excellent performance isolation and temperature resistance. Unique multi-pin contact area design greatly improves connection and grabbing capabilities. The pins are gold plated on oxygen free copper. Click to view details 2 3 4 Power Tube Upgrade 1: Sohpia Royal Princess 300B Matching Pairs All tubes are tested by us in an actual amplifier to meet the highest quality. $1,200,12-month warranty Sophia Electric has applied all of its expertise learned in the past to this new flagship model,the Royal Princess 300B. It has the best advantages of Princess Mesh and Princess Carbon Plate 300B tubes,and is light years ahead of any 300B tube made in history (inc Sophia Electric Princess Carbon Plate 300B and Princess Mesh 300B tubes),winning worldwide popularity. praise. The Royal 300B comes in an exquisite wooden box. Click to view details. Power tube upgrade 2: Princess Sophia 300B mesh paired with black base. US$365 is equivalent to US$300 billion for Western Electric. Purchased and shipped independently. The result is a 300B mesh plate tube with ultra-clear,low distortion,and out-of-this-world mid-range fullness and fluidity. High frequency extension and sweetness are the first things you hear. This is a true 300B tube,100% interchangeable with the popular Sofia electric ball 300B mesh tube and Western electric 300B tube as well as currently produced 300B tube (our 300B standard). Driver Tube Upgrade: Hand-Selected Matching Pair of Sylvania VT231 NOS Tubes We test these tubes in actual amplifiers to ensure the highest quality. $300 (2 pieces),30 days warranty. You can get a clear and dense sound image with these tubes. It has low noise,is smooth and detailed in the high frequency band,and has deep and solid bass with high definition. Rectifier tube replacement: Princess Sophia mesh 274B rectifier. $320 (2 pieces),30-day warranty to affect the WA5's sound quality or your super backup. Purchased and shipped independently. Sophia Electricâ„¢ 274B tube is an advanced rectifier tube that can directly replace 5U4\/5R4\/5AR4. It adopts a 3 times flat plate structure,so it has a deeper,wider scale and smoother sound quality than Mullard 5AR4.