Naim Headphone Amplifier Circuit Single-ended Class A Headset Amplifier LT1085 ZTX753 ZTX763
Mingdu parameter single end Type A ear amplifier circuit, warm British sound;
The circuit structure, parameters and triode are exactly the same as the original machine;
Heavy feed power system, fast recovery diode, Ruby 6800uF, LT voltage stabilizer;
Clever design, long delay, perfect earphone protection;
Power supply: 50W black cloth cow AC20v*1
Printing plate size: 137*117mm 2mm thick, 70um thick copper
Board noise: high sensitive earphone can&x27;t hear within 0.4MV
Midpoint of this board: within 1mV
Packing list
Headphone Amplifier x1 (without power cable)
Shipping & After Sales Service
1.Normal products can be sent out in 3-7 days after paid;
2.Shipping ways
a. Expedited Shipping: DHL, UPS, or FedEx. For faster shipping or smoothly transaction, we will change the best shipping company among them.
Estimated Delivery Time: 3-7 Days
b. Standard Shipping: EMS, ePacket(U.S available only) or DHL Global Mail (Gemany available only)
Estimated Delivery Time: 5-15 Days.
c. Economy Shipping: China Post or HongKong Post Air Mail
Estimated Delivery Time:15-34 Days
NOTE:All shippments to Brazil and Russia may take about 35-70 days
3.We will prodvide tracking number in 3 days after shipment;
4.When you have any questions about our products please contact us through Aliexpress, we will reply in 24 hours.