1KW PFC LLC Amplifier Power Supply 1000W Switching Power 48V 55V ±60V 70V 80V

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Item: 186209195646

Condition:New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is … Read moreabout the conditionNew: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller’s listing for full details. See all condition definitionsopens in a new window or tab
Unbranded:Unbranded
Type:Amplifier Power Supply
n/a:n/a

eBay Description 1KW 48V 55V ±60V 70V 80V PFC LLC Amplifier Power Supply Board 1000W Switching Power Supply Board Attention: – Since different parameters will use different voltage-resistant components, the appearance of the actual product will be different from the one pictured. In addition, the appearance color of some raw materials in each batch will be a little different, but the parameters are the same and do not affect the use. Please make sure that you don’t mind before purchasing. Thank you! – For continuous heavy loads of more than 500W, install a fan to blow air on the inductors, transformer, and heat sink. Please use it in a ventilated and normal temperature environment. Please not use it in a high-temperature sealed or humid environment! Features: – Independent inductor, generating less heat, are more stable. In addition, the voltage can be fine-tuned – Suitable for driving all types of amplifier boards. If a class A amplifier board is fully loaded for a long time, a fan needs to be added to dissipate the heat – This is a switching power supply that can fine-tune voltage. Its highest output voltage is its best. When the voltage is lowered and the load is relatively light, it is easy to cause the switching power supply to enter the intermittent mode from the fixed pulse width mode, and the intermittent mode will inevitably lead to the change of the pulse width. If some power amplifier board noise suppression is not good, it is easy to lead to static noise. The solution is actually very simple. Add a dummy load between the output + VCC and the ground, such as adding a high-power cement resistor. The specific scheme needs to be decided through experiments, because different boards will be different. The maximum output voltage of the switching power supply board must be lower than 90% of the withstand voltage of the power amplifier board, so the waveform of the switching power supply is the cleanest when it is static at the maximum voltage output – All transistors share a heat sink. A fan is required for continuous loads. A 75°C temperature switch is mounted on the heat sink. When the heat sink temperature exceeds 75°C, it will shut down chip output – There are screw mounting holes around the board, and the center of the hole is 5mm/0.2″ away from the board edge XY, which is convenient for opening and fixing Specifications: – Input: AC100-240V 50/60HZ – Output: The main voltage can be fine-tuned in a small range, and the best state is to adjust it to near the highest output voltage – Auxiliary voltage: ±12V 0.5A (green 3PIN terminal) – PFC: 0.961 – Conversion efficiency: 90-95% (the higher the output main voltage, the higher the efficiency) – Size: About 173 x 88 x 43mm/6.8 x 3.5 x 1.7″ (subject to the actual product) – Weight: 0.47KG/1LB – Ripple: about 0.3% of the peak value (Coaxial cable should be used to test ripple, and the shorter the outer ground wire, the smaller the impact. When testing with an oscilloscope probe, the value will be too large because the probe ground wire is longer and has an impact on the value deviation) Packaging Details: – G.W.: 0.60KG/1.3LB Package Included: – 1 x Switching Power Supply Board Note: – 1000W amp power supply board with 55V principal voltage will be delivered by default. Payment Terms 1. We accept PayPal,Payoneer,Visa Card,Google pay,Credit card etc. 2. We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. Shipping Terms 1. We will process the order within the handling time ,if you have any questions, please contact us via eBay message or email. 2. For remote regions of DHL/FedEx…, extra shipping costs might be charged. Usually it costs about 30USD-50USD. We will contact you if shipping company informed us your address belongs to remote area. Thanks for your understanding. Return Terms If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. We will guide you the returning process for replacement or refund. Custom Duties & Taxes 1. It is buyer’s responsibility to cover the import duties, taxes.We do not charge any taxes and fees, and the possible taxes and fees will be collected by the platform or by third parties such as customs and carriers. 2. Please check with your country’s customs office and inform us what/how much should declare before shipping. Feedback 1. Please kindly leave us a positive feedback and 5 star DSR if you satisfied with our product and service. Please feel free to contact us firstly if you have any problem with your order, we are responsible and credible seller and will solve the issue it for you asap. 2. If you are dissatisfied for any reason, please don’t be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers. On Dec 14, 2023 at 02:32:40 PST, seller added the following information:

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