Woo Audio Inc. WA2 Audio Amplifiers and Preamplifiers

Price: $1,090,not inc power cord and interconnect cables. *Includes 1 pair of 6AS7/6080,1 pair of 6922/6DJ8 and 1 pair of EZ80/6V4. *Shopping cart is only available to US buyers. International buyers please contact us for shipping and payment instructions. User Manual (PDF) Technical Specifications: Headphone Impedance: 25-600 ohms Input Impedance: 100 kilohms Frequency Response: 8 Hz - 100 kHz - 3 dB Signal/Noise: 95 dB THD: =0.08% Preamp Gain: 10 Decibel Voltage: Dual AC operation 110/220 Volts,50/60 Hz External Dimensions: 5 ½ (H),13 (W),9 inches (D) Weight: 17 lbs Standard Configuration: Point-to-Point Wired Two 6AS7/ 6080 PDF power supply tube,two 6922/6DJ8 PDF driver tube,two EZ80 PDF rectifier tube (6X4 is no used),pseudo-dual power supply,one pair of gold disk preamplifier,RCA output,four pairs of optional gold disk RCA input,1/4 inch (6.3 mm) Stereo headphone jack Aluminum die-cast chassis,anodized All-aluminum volume knob and power switch button 120-watt toroidal power transformer Single filter choke and rectifier for each channel Alpine potentiometer and power switch Silver-plated connecting wires in Telfon Jacketed Power Tube Upgrade: Sylvania 7236 Hand Card Matching Pair $120 (2 pcs) One of the best power tubes available for this amp. The 7236 greatly improved dynamics and soundstage. It has a very good speed,warm midrange,tight and deep bass. Purchased and shipped separately. Driver Tube Upgrade 1: Hand Pick Pairing Philips 6922 Jan $40 (Pack of 2) Low noise,smooth. Military grade,Joint Army-Navy (JAN) managed. Purchased and shipped separately. Driver Tube Upgrade 2: Hand-Selected Pairing Sylvania 7308 Jan $260 (Pack of 2) Ultra-low noise and low mic,deep,clean bass,excellent tremolo extension,and full-body midrange. Purchased and shipped separately. Rectifier Upgrade: Hand-Selected Paired Siemens 6V4 NOS Pair $160 (Pack of 2) Warm,rich texture. Silky shivers. Deep,clean bass. low noise. Purchased and shipped separately.