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pre amp AIYIMA 1Pcs 1969 Class A Power Amplifier Board 10-15W HiFi Audio Amplificador MOT/2N3055 PCB Assembled Board And Diy Kits voltage controlled amplifier Audio Amplifier Boards
Code: TD-32574679072
18 orders
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$ 40.66
$ 44.58
Other people want this. 12 people have this in their carts right now.
| Brand Name: | Aiyima |
|---|---|
| Maximum Power Per Channel: | 15W |
| Package: | Yes |
| Channels: | 1 |
| Model Number: | 1969 Class A Power Amplifier Board |
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Product description:
Please note before you buy: Products as shown in my main picture, one channel price. so if you need stereo channels, please you buy 2pcs. thank you!
PCB: double-sided gold, gold, gold, S wiring, 1.6MM thick
Secondary Filter Capacitor: Light Blue Ruby 100UF
Power supply decoupling: boost, feedback capacitor: P-anasonic FC series 220UF
Signal amplification tube: 2N2907
Current push tube: 2N1711
disassemble 2N3055(
Input Capacitor: ERO
Output Capacitor: Taiwan Jiahe, this is a foundry enterprise, often giving gold bullets, silver bullets, and Sibi as capacitors. Its appearance is not good, the sound is balanced, and the effect is much better than the European and American capacitors of the disassemble.
Angle Aluminum: Silver High Purity Oxidation Angle Aluminum
Working voltage: DC 12V-35V (corresponding to 9-26V transformer, power needs to be greater than 100W)
Output sound power: 10-15W
Size: 100*78*36MM. Angle aluminum 2 fixed hole distance 53MM
The default is 24V, 1.2A,
choose a 3-5 inch full-range speaker, and you can choose a full-range speaker with a 5-8 inch diameter. You can also choose a speaker with a power below 120 watts and below 8 inches.
Adjust the current:
The universal meter hits the current 10-20A, the VCC line is not connected, the red meter pen is connected to the VCC terminal of the rectifier board, and the VCC terminal of the black test lead connected to the power amplifier board is the measuring current. Adjust the KT2 on the board (W202 at the top of the part) to change the current. 1.2A is recommended.
Note: The hole for measuring the midpoint/current red pen is different. When measuring the current and then measuring the midpoint, you must change the red pen hole.
Package included:
1pc
DELIVERY ESTIMATE
We processes orders between Monday and Friday. Orders will be processed within 5 business days of ordering and shipped the next day after the processing day. Please note that we don't ship on weekends.
We deliver your orders in 15-20 working days (free shipping), International orders delivery is subjected to the policy of third party courier service, and differs from country to country basis.
Due to the Covid-19 pandemic, you may experience delivery delays but we are committed to getting your order to you as soon as possible.
Note: Please ensure all delivery information is correct. If there is incorrect and/or missing information, we may be required to contact you to update the delivery information, which may cause delays in delivering your order. Delays may also occur as a result of customs clearance.
RETURN POLICY
At MMO-Dropship we strive to make our customers 100% satisfied with the product they’ve purchased from us. If you are experiencing any shipping or products issues, and you’re feeling frustrated, then please send us an email and our team will assist you right away.
We have a 7-day return policy, which means you have 7 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at [email protected]. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at [email protected].
DAMAGED ITEM AND LOW QUALITY
For the fastest resolution, please include a photograph demonstrating the poor quality or the damaged area of the item. The most optimal pictures are on a flat surface, with the tag and error clearly displayed.
We will use this information to help you with your order, and eliminate errors in future.
REFUND POLICY
If you feel the product that you’ve purchased does not show the requirements that you initially had in mind, then you do have the option to request a refund.
Here are the circumstances in which refunds will be granted:
You can get a refund if:
- You aren't happy with your order: You’ve purchased your MMO-Dropship products in the last 7 days and want to return them, we will process full refund as soon as possible when we receive the items from you
- The product you’ve purchased is completely non-functional
- You did not receive your product within 60 business days or 90 business days (South America) of purchase
Please note that refunds can take 3-5 business days to return in your account.
You can always contact us for any return question at [email protected].
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