Details：
This version has Optimized layout. also has integrated the Power supply circuit, it is more easy to built a hi-end phono stage amplifier.
PCB Size: 205*153*1.6MM (1OZ copper, Gold plated FR4 grade A PCB material)
Work voltage： 0-AC260V above 20mA
0-AC12.6V above 0.8A
Tube model: 3pcs 12AX7
( note: the default price is not include this tubes)
Two independent channel,
One point ground, no noise at the end.
This version is MM-RIAA amplifier
Gain: 1KHZ @ 48DB
Note：
Bare pcb：only 1pcs pcb，have no any parts Diy kit：all parts need buyer to solder ，not included 3pcs tubes Assembled Board ：have tested it well，not included 3pcs tubes
Rocommend transformer：https://www.ebay.co.uk/itm/273865971106
Tube link：https://www.ebay.co.uk/itm/274421828457
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.