Features:
1. pre-level dual-differential amplifier circuit
2. JFET FET with differential input
3. Adopt two poles to compensate the network
4. low-distortion three-stage Darlington push-pull output stage
5. Panasonic 63V10000uF electrolytic capacitor for power filter
6. The use of imported Japanese Nippon Steel Core Wound system of high-quality 400W toroidal transformer
7. using 220mm long professional radiator
8. Japanese ALPS potentiometer
9. 70mm thick double-sided thin copper circuit board
10. Toshiba 2SC5200 / 2SA1943 high-power tube with eight outputs
11. 8mm thick aluminum drawing panel
12. circuit wiring is reasonable, low noise, with a fever concept
13. With full-function boot delay, short-circuit output over-current, mid-point DC offset and other improve the protection circuit
We ship the package within 1-3 days after the payment cleared.*
Shipping via DHL or UPS or FedEx or other express delivery takes 3-7 business days with a tracking number.
Shipping via China Post EMS or HK Post EMS usually takes 7-14 business days with a tracking number.
Shipping via China Post air mail or HK Post air mail usually takes 10-30 business days with a tracking number.
Faster payment, faster delivery.
Buyer pays any import taxes or customs duty.
All items are marked as low value on postal paper for customs to send that our buyers can save some customs fees.
Standard Return Policy:
If the item shows up defective or damaged, please email us immediately.
ONE-YEAR WARRANTY!!!
Brand new replacement with 14 days.
Defective situation must be reported to seller within 14 days upon receipt.
Returned item should be in its original box with all packing materials and shipped to us via a traceable shipping way.
We carefully inspect returned items upon receipt before issuance of refunds or exchanges.
Please allow up to 10 business days for us to process your return.
The customer needs to pay for the shipping costs for returning.
International Shipping:
We ship goods to worldwide. All the packages will come with a tracking number.