299 In stock
Tube Amplifier Accessories
IWISTAO 6L6 Parallel Single-ended Power Amplifier Empty PCB Board AUDIO NOTE P2SE Circuit Amplifying plus Power Board
Model No: WHF-TABANP2SENLO
The AUDIO NOTE P2SE is a parallel single-ended pure Class A amplifier that uses 6L6 tubes. In this amplifier, the 6L6 tubes operate in the state of Class A single-ended, which effectively eliminates the influence of crossover distortion, resulting in a loose and natural sound. The power output for a single channel is close to 18W (RMS), making it suitable for pushing 3/5A of 15 ohms.
The circuit diagram of the PCB is based on ANK’s P2SE, but the layout of the PCB has been designed differently and is new. The PCB layout is very reasonable and uses 2.0mm thick FR4 material, 2-amp copper thickness, red solder resist oil, white printing, and even has a window on the wiring for the key part of the high current. The double-sided design of the PCB is a luxurious selection of materials.
Although the circuit is simple, it is difficult to achieve good sound quality. Therefore, it is essential to be generous with component selection. In audio, there is no such thing as getting what you pay for, and often, spending ten dollars will only give you a mediocre result. The first stage of the line is composed of 6SL7 SRPP, coupled with 6L6 parallel single-ended output. The original machine is equipped with AN copper film oil-immersed capacitors, which guarantee the quality of the sound. This circuit will give you good sound quality for the price you pay.
To test the working point, connect all black pens to the ground, and the red pen to the tested point. Please note that the vacuum tube is highly discrete, and the indicators are for reference only.
- The first stage power supply voltage V0 is about 400V.
- The power of 6L6 is about 380V.
- The second grid of 6L6 is about 325V.
- 6L6 cathode is 20V.
- Input impedance: 100K.
- Input sensitivity: 430mV (full power output state).
- Power: 18W+18W.
- Electronic tubes used: 6SL72PCS, 6L64PCS.
- Power consumption: 90W.
- Output transformer primary: 3.5K or 4K single-ended.
- PCB size:
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