Amplifier Board - AIYIMA B2D1753

Audio Amplifiers
$49.99 $29.99
This circuit is a preamplifier of the tube. Its main function is to improve the sound quality, remove the harsh digital smell in the sound source, and make the music sound softer and sweeter. Its remarkable advantages are natural sound concern, large dynamic range, and good linearity. The combination of the amplifier and the amplifier can not only have the soft, sweet, quiet and transparent characteristics of the power amplifier, but also make the music have a thick machine. The strong bile makes the music feel better and more tolerant, and the overall atmosphere and dynamic range are also better. It is a circuit that is very worthy of being played by enthusiasts.
Note: The tube is compatible with 6J1, 6J2 tubes, and the tubes are shipped randomly.
6J1 bile preamp product introduction:
    Power supply part: single AC 12V power supply, current requirement 800MA, AC 12V through rectification filter voltage doubler circuit, output positive and negative 28V dual power supply to the tube.
    Signal processing part: The signal is buffered and amplified by the tube 6J1 (6J2) for use in the amplifier or amp. The signal is a voltage signal and cannot directly drive the speaker or earphone.
    Board size: FR4 double-sided 75X78X1.6MM finished board height 55MM

All items in store may take 2 to 5 business days to process.  Please add processing time to your shipping estimate below.

Here is an estimate of the shipping times.  Due to factors that often affect international shipments, such as holidays, customs, and weather delays, we can only offer an estimate of shipping times. 


Estimated Shipping Time

United States

10-30 business days

Canada, Europe

15-40 business days

Australia, New Zealand

15-45 business days

Mexico, Central America, South America

20-60 business days 

Middle East (UAE, Saudi Arabia)

20-40 business days


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Aiyima is not responsible for destination country tax and/or any duty charge that may incur. Customers will be held accountable for any restrictions, duties, taxes, and any other fees collected from the destination country.
Aiyima will not be responsible for any Duties, Taxes, or Customs fees under any circumstances.
If the order arrives in your country and...
• The customer refuses to accept the package
• The number of attempts is made in the country of destination to deliver the package.
Aiyima reserves the right to abandon the package(s) and will not be responsible for any refund.

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Amplifier Board - AIYIMA B2D1753
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