Assembeld Class A Preamplifier Board Preamplifier Board Base on Accuphase C3850

Description: Assembeld Class A Preamplifier Board Preamplifier Board Base on Accuphase C3850 Circuit This is a finished board.This board is reference is from the Accuphase C3850 circuit .it is worth making and admiring preamp circuit. If you do it carefully, the effect is much better than the general pre-stage. It is looser, more delicate, warmer and charming, much better than Ordinary tube and op preamp.The circuit architecture uses the operational amplifier as the basic amplifier. Discrete parts are added to increase the open-loop gain, and the voltage and current dual feedback circuit is used to reduce distortion. The output tube uses the British original famous tube ZTX450 ZTX550, and the output is in Class A status. The music tastes very good. BoldAfter solder well. it is No need to debug the boardPCB size: 155X136MMWorks voltage: Recommend AC15V-0-AC15V (14-18V are all ok)This board support 3 way audio inputs.The standard op amp is Philips NE5534, customers can upgrade other single op amps, such as OPA627, LME49710, OPA1611, etc. Payment Method: PAYONEER Preferred Shippment: 1.We provide free shipping to international via China Post Airmail . We can also ship by UPS/EMS/DHL/FedEx for alternative shipping method for corresponding fees. Please let us know before payment if you need split shipment. 2.International shipping requires complicated shipping procedures, If you have not received your shipment within 30 days from payment, please contact us. Returns & Replacements & Repair:We accept returns & replacements within 14 days from the day the customer receive the products, please make first contact within 14 days from receiving the order. Products should be returned in original condition. As a benefit to our customers, we also provide repair within 3 months from the day when this item is shipped out, after repair is done, we will send you the item, but the customer should pay both shipping ways.Feedback: 1)Your Feedback is really important to us, please take a few seconds to leave great feedback if you are satisfied with our product or service, thank you so much !! 2)We always offer the lowest price for best goods and service to you. 3) Please contact us before leaving neutral(3 stars) or negative(1-2 stars) feedback.We will try our best to solve the problem and leave you a happy shopping mood here. Thank you!

Price: 53.68 USD

Location: wuhan

End Time: 2024-12-04T07:50:23.000Z

Shipping Cost: 0 USD