Amplifier Board - AIYIMA B2D1229

Audio Amplifiers
$33.99 $21.99
Product description:
This preamp tube amplifier uses A1013, C2383 triode power amplification, with the electronic tube 6J1 can achieve sound detailed, warm, mellow, strong bass full strength, rich midrange, soft and soft treble.
This product uses AC 12V power supply , the output audio signal can be directly used for various post-level digital power amplifier board.
Product parameter:
Type: tube amp amplifier
Channel: Dual Channel
Size: 81*81*43MM
Impedance: 4-8 ohm
Power supply: AC12V
Net weight: 170g
The PCB board change to green color, but the function is same.
Operation instruction:
1, AC12V input:  use DC5. 5 * 2. 1 socket, connect AC12V transformer input, remember: can not DC power input, otherwise it does not work.
2, left and right channel input: for audio signal input, you can connect to mobile phone, MP3, mp4 and other music players.
3, left and right channel output: for the audio signal output terminal, can be connected to the amplifier, the audio signal input end of the power amplifier board, to provide a bizarre music enjoyment for the later stage power amplifier!
4. Power switch/volume knob: In the closed state, rotate the rotation clockwise to hear a "tick" sound, the indicator light is on, indicating that the power has been turned on, then the volume is the smallest, then continue to rotate clockwise is to increase volume. Turn the knob counterclockwise. At the beginning, the volume is lowered. When the volume is turned off to the minimum, if you continue to rotate until "tick", the power is turned off and the power indicator is off.
1. The power supply uses AC 12V (loop cow, AC transformer), switching power supply, adapter and other DC power supply can not be used.
2. The product is a preamplifier. It is not audio amplifier. It needs to be connected to an active speaker and a rear amplifier.

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


IMPORTANT: We are not responsible if a package is undeliverable because of missing, incomplete, or incorrect destination information. Please enter the correct shipping details when checking out. If you realize you have made an error, simply e-mail us at as soon as possible. However there is a 72-hour wait list for email, therefore, if your order has left our warehouse within 72 hours, it is out of our control.
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 B2D1229
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