HiFi 200W Class AB /A Stereo Amplifier DIY Accuphase P-1000 ON MJ15024 15025

$79.5 Buy It Now or Best Offer
free,30-Day Returns

Seller Store chinaaudiostore
(1802) 99.4%,

Location: Shenzhen
Ships to: US,
Item: 265599312129

Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
CASAUDIO:CASAUDIO
Number of Channels:2
Number of Inputs:1
AMPK2201:AMPK2201
MPN:Does Not Apply
Year Manufactured:2022
Features:Current Negative Feedback,DC Servo
Country/Region of Manufacture:China
Number of Outputs:1
Amplifier Class:AB

HiFi 200W Class AB /A Stereo Amplifier DIY Accuphase P-1000 ON MJ15024 15025 Fully assembled, Delivery 200W Class AB power output,Can work at Class A Up for presenting is an assembled power amplifier board,The circuit is refer to Accuphase P1000 Hi-End amplifier, Accuphase A100 and P-7100 is the successor with almost same circuit. The amplifier featured with current negative feedback and DC servo, It has great dynamic and thunder alike speed, Also refined and rich details. The output stage using MJ15024/25 high performance transistor with metal package(250W Pd), It is more better than original design of 2SC5242/2SA1962 with 130W Pd. Reminder: 10000UF/63V filterring capacitor is optional, Please choose in as your needs. It can be NICHICON KG or ELNA for audio, Please contact us if you want to upgrade,Thanks. Adjustment Measure the quiescent voltage on the white resistor close to MJ15024/15025, Devide the voltage drop on 0.25 Ohm resistor to get current value, For example, If the voltage on ’Test’ point is 25mv,The quiescent current is 25mv/0.25 =100ma.Set the voltage drop between 20mv to 200mv, Bigger heatsink is required for bigger quiescent current. Features Hi-End grade MJ15024/25 output power transistor from ON semicondutor Driving stage is MJ15032/33 transistor from ON semicondutor Volate amplifing stage use TOSHIBA 2SC1815/2SA1015 and HITACHI D669 B647 Most resistor is in military grade from national owned BEIJING 718 factory, Copper leads. Some are PANASONIC. OMRON relay for speaker protection Capacitors are from WIMI / NCC / NOVER / RIFA / NICHICON SANKEN 50A recitfier bridge NOVER 10000UF 63V filterring capacitor in audio grade Specifications Power supply: AC (24V to 38V)-0-(24V to 38V) Working type: Class AB, Can be class A by adjusting the varible resistor. Power output: Class AB 200W at 4 Ohms, 130W at 8 Ohms Frequency response 5hz – 100Khz (+-3Db) Input sensitivity: 2V Input impedance: 20K ohms S/N ratio: >100Db PCB size: 188mm * 145mm, The overall size is 188mm*160mm with metal L angle Packing List One assembled amplifier board About Chinaaudiostore We are a team of audio enthusiasts, We are proferssional in analog and digital electric, More than just reseller. All products are sold for very reasonable and affordable price, Save every peny for you! We offer profersssional customer service and after sale service, All message will be replied within 24 hours except weekend. We try to describe products as precise and accurate as we can, You don’t have to read awful ’Chinglish’ and guess what it means. All the audio products from China are available for sale, Pls contact us if you want anything not listed in ours store,We will offer a very reasonable price. Payment We accept payment via Paypal, Or contact us for other payment route. Payment must be made within 5 days, Non-payment may result in an UPI (Unpaid Item) PLEASE NOTE: a) Import duties, taxes and charges are not included in the item price or shipping and handling. These charges are the buyer?s responsibility. b) Please check with your country?s customs office to determine what these additional costs will be prior to bidding/buying Shipping Orders processed within 1-3 days upon payment received for most item,We will contact you if it is longer. If you want the item urgently,Pls contact us for express deliver,We offer DHL/FEDEX/UPS/EMS express shipping,Additional shipping cost will be charged. Shipping time is determined by the carrier, It takes about 10-15 working days to US; about 10-30 working days to other countries.Transit times may be a little delayed during holiday season. If you have not received your shipment within 30 days after payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! Return Pls contact us if you receive item in damage or defective condition once item delivered to you. All returned items must be in the original packaging and you must provide us with tracking number, specific reason for the returns, and your eBay ID. We will refund you upon receipt of the item in its original condition, after both Buyer and Seller cancel the transaction from eBay. Or you may have a replacement. Services&Feedback It’s highly appreciated you leave us positive feedback! If you are dissatisfied with item or have not received the items, please contact us for solution before leaving neutral or negative feedback, we will try our best to solve. If you have any questions, please feel free to email our service specialists 24 Hours a Day, 7 Days a Week. We will reply you ASAP. If no response within 24 Hours, please check the spam in your mail box.

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