Buffer 6N11/6DJ8 Tube SRPP Preamplifier Headphone Amplifier Board
Item Details
Buffer Assembled 6N11/6DJ8 Tube
SRPP Preamplifier Headphone Amplifier Board
Description：
In the audio preamplifier, ShuntRegulatedPush-Pull (SRPP) circuit has high gain, low distortion, low output impedance and other characteristics, can get excellent sound quality performance, and thus widely used in audio circuits. This common cathode amplifier for the input stage, SRPP amplifier circuit for the output level of the headphone amplifier circuit, through the theoretical calculation of the corresponding parameters, so that the amplifier can better drive the headset work.
6DJ8 SRPP circuit is Morgan Jones (Morgan Jones) designed tube headphone amplifier.
For beginners who are exposed to the amp, this circuit is easy to use, the success rate is high, and the headphones with different impedances can be used. Suitable for 15Ω to 300Ω headphones.
As the SRPP on the power requirements of the strict, recommended high voltage, low voltage regulator line, the power line ripple coefficient is small, for the bile to put the background quiet effect will be ideal.
Fine FR4 double-sided glass fiber board, high-quality spray tin PCB board, thick copper foil, thickness 2mm. Plate size 110mm × 63mm.
High voltage DC 200V power supply, low voltage filament 6.3V power supply part.
The line looks simple, and nothing special, but careful analysis of the circuit, about 18-20mA of operating current in the safe range can play the best features of 6N11, the sound is better than most of the same price of the tube headphone Amplifier.
Packing List:
1 x Tube SRPP Headphone Amplifier Board
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