KSA100MKII 450W+450W ClassA Hifi Amplifier Board Power Amp Board for Audiophiles

Description: Description KSA100MKII 450W+450W Class A Hifi Amplifier Board Power Amp Board Assembled for Audiophiles Features: - Class A power amplifier board - Warm timbre, delicate sound and excellent low, medium and high-frequency sound - Audiophile excellent circuits and high-quality components after many years of optimization, strict quality control. Before shipment, components have been debugged and tested - Class A board: The sound is warm and enduring. The high-frequency sound is slender and penetrating, the middle-frequency sound is sweet and natural, and the low-frequency sound is both vibrant and elastic and dynamic - Amazing power: The output of mono class A is 100W, which is equivalent to the thrust of 450 watt-hours of class A and B power amplifiers. It can meet the needs of household bookshelf speakers and large floor speakers requiring higher power - Strong stability: The board on sale is a version that has undergone many parameter adjustments and PCB optimization. At the same time, we strictly select the components and controls the production quality. Thus, the board has stronger stability - The whole board adopts imported transistors and they are precisely paired with error smaller than 3% - According to the current, 0.25W/0.5W/1W/2W/5W resistors of different powers are used - Imported audiophile audio capacitors - The current and voltage stages can be powered independently - Upgraded to 9.5MM large terminals - The first stage decoupling capacitor. The output and power terminals are high-current terminals - Original MJ15034/35 bipolar transistor for Onsemi - Using 718 military grade resistors - 30A sealing relay with higher current, sealed without moisture. Contacts are not easy to oxidize, with longer service life and more stable performance - Feedback capacitors are all audiophile-grade capacitors: axial capacitors for Siemens and CBB capacitor for Sprague - Original adjustable potentiometer and small imported capacitors - The board comes with perfect speaker protection. The circuit comes with power-on, power-off noise suppression and over-current and over-temperature protection - Excellent circuit structure is referred to the American circuit for KERLL - Original power transistors MJ15024/25 for Onsemi are used. The transistors of the entire board are precisely paired with the same pole Power supplies: - The main circuit supply is positive and negative 38-60V/7.6A. The speaker protection circuit is powered by a single AC 10-17V/1A. - It is recommended to have a filter capacity of 60,000μF per channel, and be independently powered by two 500W dual 32V plus 12V transformers. Dual AC 32V is dual DC 45V (32*1.414 times) after rectification filtering. Single AC 12V is used for speaker protection circuits, and recommended current is 1A. Specifications: - Item name: KSA100MKII Class A Gold Seal Power Amplifier Board - Frequency response: 20-20KHZ - Signal-to-noise ratio: 100dB - Output power: Class A 100W+100W (4Ω); Class A and B 450W+450W (4Ω) - Output impedance: 4-8Ω - Power supply range: dual DC 32-60V plus AC 12-18V (recommended dual DC 45V plus AC 12V) - Total harmonic distortion: ≤0.007% - Board of finished board: 280 x 113 x 45mm/11 x 4.4 x 1.8" (LxWxH) (including the width of the thermal guide) Package Included: - 2 x Power Amp Boards 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 buyers 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 countrys 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 dont 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.

Price: 237.5 USD

Location: Shenzhen

End Time: 2024-08-21T03:00:44.000Z

Shipping Cost: 2.99 USD