BRZHIFI M4 Power Amp Board Finished 150W+150W w/ Power Tube Referring To SF60

EUR 46,86 Sofort-Kaufen, EUR 3,57 Versand, 30-Tag Rücknahmen, eBay-Käuferschutz
Verkäufer: pincei_de ✉️ (6.361) 98.9%, Artikelstandort: shenzhenshi, CN, Versand nach: WORLDWIDE, Artikelnummer: 386606966338 BRZHIFI M4 Power Amp Board Finished 150W+150W w/ Power Tube Referring To SF60. Description BRZHIFI M4 Power Amp Board Finished 150W+150W w/ Power Tube For ON Semiconductor Referring To SF60 Description: The M4 circuit refers to the British SF60. Reproduce the infinitely engaging and intoxicating musical melody. Pure and natural sound quality is fully implemented in our circuit. Its sound quality is obviously two levels higher than that for Audiolab 8000A, especially in the sense of layering and delicacy in the middle and high frequencies. The effect of this power amplifier is far better than those using NEC UPC2581V as the driving transistor. Especially the mid-frequency sound is much more comfortable. More importantly, the input op amp can be replaced to achieve the fun of timbre matching and upgrading! It can be adjusted to pure class A output! The product has over-current protection, delay protection and output DC protection to protect your expensive speakers. Main cooling part is not included, please purchase separately. Features: - Materials used: double-sided gold PCB, MKS coupling capacitor for WIMA, military specification 718 copper pin resistor, relay for Omron, imported original transistor, capacitors for NCC. Rectifier bridge for Sanken - Debugging: It is very simple to change the board to debug, only need to test the quiescent current of the output tube. Use the digital standard DC200MV voltage file, and the voltage at both ends of the TEST to be 10MV-40MV - Upgrade plan: The default op amp are 2pcs TL072. You can buy higher-end dual op amps separately, such as MUS02, OPA2604, LME49720, etc. - Upgradeable power amplifier board 150W + 150W - Classic paired transistors. It also provides 150W output power - MKS4 series capacitors have much more transparent sound quality and better vocals than small capacitors for WIMA - The op amp is composed of buffer and first-stage voltage amplification, and the sound quality is naturally delicate and fuller, which is better than that of LM3886 and TDA7293. The op amp can also be upgraded to a high-end series for OPA and MUSES - For Omron speaker protection circuit. With start-up delay, shutdown to prevent impact, DC protection and other functions, make your speaker work safe and reliable - Adjustable resistance, choose to adjust the quiescent current with TEST point - The copper pin of resistors is significantly more than that of general resistors, the same as that for DALE. The temperature of 25-50 ppm. Power: 1 / 4W. Accuracy: 1%, 5-color ring - Oxygen-free copper A core transformer Specifications: - Power supply voltage: AC22X2 to AC36X2 - PCB size: 153 x 128mm/6 x 5" - Output power: 150W+150W (4 ohms); 100W+100W (8 ohms) - Power tube: NJW0281/NJW0302 for ON Semiconductor/ 2SC5200/2SA1943,optional - Frequency response: 10HZ-40KHZ - Power tube for ON Semiconductor with good density and level Package Included: - 1 x Set of Power Amplifier Board Note: - The board is finished and ready to use. - 2pcs 10000UF main capacitors are not included, please purchase separately. Payment Terms 1.We accept PayPal only. 2.All major credit cards are accepted through secure payment processor PayPal. 3.Payment must be received within 7 business days of auction closing. 4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. Shipping Terms - For remote regions, we will charge your extra shipping costs. Usually it cost about 35USD-50USD. We will contact you after your payment. Thanks for your understanding. Return Terms 1. If you receive defective item, please kindly notify us within 14 days. We will guide you the returning instruction for replacement or refund. 2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA. 3. We reserve the right to refuse any returns for objective reasons. Custom Duties & Taxes 1. Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer's responsibility. 2. Avoiding some unnecessary trouble, please check with your country's customs office to inform us what we should declare its value before shipping. Feedback 1. 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. 2. If you are satisfied with the product you received, please kindly leave us a positive feedback and 5 star DSR. If there is any problem of your order, please feel free to contact us firstly, we are responsible and credible seller, will follow it for you asap.



Am 11.08.21 hat der Verkäufer die folgenden Angaben hinzugefügt:


Am 10.01.2024 hat der Verkäufer die folgenden Angaben hinzugefügt:

  • Condition: Neu
  • Power tube: NJW0281/NJW0302
  • Marke: Markenlos
  • Produktart: Board
  • Markenkompatibilität: Universell

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