2022 NEW MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board

Code: TD-3256801481486980 2 orders
Free Shipping
$ 87.87 $ 91.22
Color:
DIY KIT
Finished board
Note

Quantity:
Image
Other people want this. 17 people have this in their carts right now.
Brand Name:  GZLOZONE
Certification:  CE
Origin:  CN(Origin)
Maximum Power Per Channel:  101-130W
Model Number:  WL-MA9S2
Package:  Yes

MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board



This amplifier board don\\'t include the 4pcs biggest transisters.



pay me more 22USD for thie 4pcs transistors



DC+-30V---DC+-63V

size :109MM * 82MM

The midpoint of servo LF353


   Marantz MA-9S2 is a classic machine. The original machine is 3W multi-element. The topology of the hdam-sa module is adopted. The input is a special diamond buffer circuit. The I/V mirror circuit is used between the voltage levels. It has a good Matching characteristics before and after. The feedback form of the final stage circuit is current feedback, and the load control force is very good. If the input capacitor is shorted, because the circuit itself has no feedback capacitor, it can be regarded as an all-DC amplifier circuit, and the circuit has excellent electrical performance. ;

This kit refers to the circuit of the machine, and adds a DC servo circuit, so that the midpoint can be exempted from debugging. The midpoint has only one bit of MV level change. The whole machine only needs to adjust the quiescent current, which is to adjust the trimmer potentiometer. Make any resistor voltage of 0.22 ohm on the board between 10MV---40MV. Of course, if you want to do a machine, you can adjust it to 100MV or more to pay attention to heat dissipation.


Voltage range: DC+-30V---DC+-63V

Power: 8 ohms 150W (tested at DC+-63V)

Area: 109MM * 82MM Smaller, easy to install

2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board
2022 NEW  MARANTZ MA-9S2 150W+150W 8ohm stereo amplifier board DIY KIT/ Amplifier Board

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].

(+84) 966.889.186