150-350W MOSFET L7 Class AB Audio Power Amplifier Board Finished
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150-350W MOSFET L7 Class AB Audio Power Amplifier Board Finished
Parameters:
- Output Power:
150W 8R DC + - 56V
300W 4R DC + - 56V
350W 2R DC +-45V
- Frequency range: 4HZ-3DB, 350K HZ-3DB
- THD: <0.01% 100W 1K HZ
- SR = 38V/US
- SNR: > 99DB
- Input sensitivity: 1.8V
- Complementary feedback input stage using CFP. Single-ended voltage amplification.
- CLASS AB class work.
- PCB Size: 78 * 63 MM
- Output stage features Germany VISHAY IRFP240, IRFP9240 FET output
- Use advanced MKP coupling capacitors.
- Use floating MOSFET driver, designed by LJM.
- PCB identification number on a detailed, user-friendly installation. Only need to install the corresponding parts on related positions.
- Please note that the insulation must be installed under transistor IRF610, must use insulating films, insulating particles.
- Power requirement: < ±65V DC
Package Included:
- 1 x Amplifier Board
Package: Normally we use the standard exporting packaging. We also can according to clients' request .
Shipping :
1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier we are co-operating at present.
2. By Air: Delivery from the Shanghai airport to customers’ destination city air port.
3. By Sea: Delivery from the Shanghai sea port .
Q1. Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.
Q2. What about the lead time?
A: Samples arrived often need 3-5 days.
Q3. Do you have any MOQ (minimum order quality)limit?
A: Low MOQ, 1pc for sample checking is available.
Q4. How do you ship the goods and how long does it take to arrive?
A: We often ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping is also optional.
Q5. How to proceed an order?
A: Initially, let us know your requirements or application. Besides, We quote according to your requirements or our suggestions. Thirdly, customers confirms the samples and places deposit for formal order. Finally, We arrange the production.
Q6. Is it acceptable to print my logo on the product?
A: Yes. Please inform us formally before our product and confirm the design firstly based on our sample.
Q7: Do you offer guarantee for the products?
A: Yes, we offer one-year warranty for our products.
Q8: How to deal with the flaw?
A: Our products are produced in strict quality control system and the percent of pass is often maintained over 99.8%