WooAudio6 - Single-Ended Class A Tube Headphone Amplifier with Output Transformer
Options (prioritized in sequence):
Capcitors are not to be sold on a standalone basis. It is recommended to upgrade these parts in order but you can choose any item you wish.
V-Cap for stage coupling
Teflon film and tin foil reference capacitor
matched pair 0.15uf/600V $150
Blackgate capacitors for voltage filering
Power Tank 220uf/200V, 2 pieces $110
Blackgate capacitors for decoupling
150uf/350V, 2 pieces $70
Blackgate capacitors for by-pass
220uf/16V, 4 pieces $30
DACT DCT2 stepped attenuator
24-position, high accuracy and reliability $200
Price: $570
- Technical Specifications :
- Headphones impedance : 8-600 Ohms
- Input impedance: 100 Kilo-Ohms
- Frequency response: 10 Hz - 50 KHz, -3dB
- Signal/Noise: 93 dB
- THD: <= 0.3%
- Voltage: AC 110/220 V, 50/60 Hz
- External dimension: 6"(H), 5½(W), 13"(D)
- Weight: 13.5 lbs
- Standard Features:
- Point-to-Point wiring
- One 5AR4 [PDF] rectifier tube. Direct substitute: 5U4G
- Two 6DE7 [PDF] drive/power tubes
- All tubes. No semi-conductors in the entire circuitry
- High or low headphone impedance switch
- One ¼" headphone jack
- 80 watts specially made toroidal power transformer.
- Full aluminum die-cast chassis, alodinze finished
- Whole aluminum volume knob and power switch button
- Gold-plate RCA
- Alps potentiometer and power switch
- Dale and Vishay high precision resistors
- Teflon wires
- Brief Introduction to 6DE7:
- 6DE7 is a dual triode tube, consisting of one drive triode and one power triode. Its performance is similar to a combination of a 6SN7 and a 2A3.
- Power cord and interconnection cables are not included.