This is a well made pre amp board, full DC，no coupling, simple, while sophisticated.
Avoid any distortion caused by capacitors. And bandwidth limitations.
Frequency to DC 1HZ, high to 1M HZ.
Using double-sided gold-plated military grade PCB material.
This board is well compatible with MX50, L20, L6 and other power amplifier boards.
Cable can be easier ways to avoid the wrong signal line connections for a variety of noise problems.
the board doesn't have coupling capacitors, and it's DC Pre-amplifier board.
Low-noise, four times the amplification. Using AC 12-0-12 V power supply.
NCC series using the maximum filter capacitor. KZE ULTRA LOW ESR capacitors.
TDK monolithic decoupling capacitors. Taiwan Stepping low error potentiometer. JRC 4580 D( you can replace it with NE5532 etc)
Low-noise dual op amp.
PCB area of 2.8 CM * 7 CM
PACKAGE INCLUDE: PRE AMP BOARD KIT X1 NOTE: YOU NEED WELD THE COMPONENTS BY YOURSELF
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Please kindly keep in mind that we are a seller in China, and you are doing international business, so the delivery may take a bit longer time than your deals in domestic..
Please kindly leave 5 ★ DSR (detailed seller rating) and POSITIVE feed back to us if you are happy with the transaction, both of them are ultimatly important to us. if you are not happy, please DO communicate with us and let's have the opportunity to make you satisfied before you leave any non-five stars DSR, poor feedback and open any dispute/case.
You will be welcomed to communicate with us by eBay message system.
Best regards.
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Items will be shipped within 1 business day on payment received.
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Items are shipped from Hong Kong using Airmail, reach most of the countries within 10 to 20 business days.
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Delivery time depends on destination and other factors, it may takes up to 20 business days.
Country | Delivery Time | Working Days (not including holiday) | 5-7 | 8-11 | 12-14 | 15-19 | 20-22 | >29 | Working Days + Saturday + Sunday | 5-9 | 10-15 | 16-20 | 21-25 | 26-30 | >38 | United States | Rate (item arrived) | 5 .1% | 50.1% | 29.6% | 10.5% | 4.7% | Refund | United Kingdom | Rate (item arrived) | 9.9% | 63.2% | 19.1% | 3.4% | 4.4% | Refund | Australia | Rate (item arrived) | 21.4% | 50.0% | 14.3% | 7.2% | 7.1% | Refund | France | Rate (item arrived) | 10.5% | 28.6% | 43.8% | 10.1% | 7.0% | Refund | Germany | Rate (item arrived) | 11.1% | 22.2% | 30.3% | 20.9% | 15.5% | Refund | | Canada | Rate (item arrived) | 0.0% | 47.1% | 31.4% | 17.6% | 3.9% | Refund | Spain | Rate (item arrived) | 3.5% | 25.0% | 47.9% | 12.9% | 10.7% | Refund |
- Buyers are responsible for any customs duties if necessary.
- We ship to PayPal registered address only. Please provide your correct detailed address and full name in PayPal.A phone number is recommended for more accurate delivery.
- We will put legal effort to minimize any GST or V.A.T. or other Import Taxes. If applicable,however,any tax/duty would be excluded from the price.
- Most items are shipped from China via Hong Kong by air mail (without tracking number) or registered post with tracking number, Shipment takes 6-45business days to arrive, tt ultimately depends on the courier service company.
- we don't ship to Italy by economy shipping.if you want the item need choose express shipping.
- We promise each item would be shipped, but sometimes less than 0.5% packages might be lost on the way, you could choose to let us resend a same item or ask for refund.
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