12AU7 Valve Tube Bile Preamp Pre-amp ECC88 American ARC Circuit Tube Pre-Amplifier Stereo HiFi Balanced Bile Preamp DIY KIT

Ordering guide:

This is a DIY kit!!! The picture is only for display, all parts in the picture need to be welded by yourself!

Package 1: As shown in the figure, the motherboard + resistor + diode, including all the parts in the picture, need to be soldered;

Package 2: As shown in the picture, including all parts in the picture, welding is required;

Package 3: As shown in the figure, including all parts in the picture, welding is required;

Package 4: As shown in the figure, including all parts in the picture, welding is required;

Hi-End AudioResearch ARC Tube Preamplifier XLR Balanced Or RCA Input&Output,12AU7/ECC83+ECC88/6DJ8 Preamp DIY Kit

Based on Hi-End AudioResearch tube preamplifier,Neutral&high analysis sounding

High quality preamp DIY kit for Hi-End audio

Specifications

Input and Output:
Balanced input - balanced output,
Balanced input - single-ended output.
Single-ended input - single-ended output,
Single-ended input - balance output.
Weight: about 1.5Kg
PCB size:
Main board:230*260mm (2mm thick)
Signal Input board: 230*70mm (2mm thick)
Power requirement:

AC/6.5V/2A (±3%) _ AC/280V-0-280V/100MA (±5%) _ AC/14V/3A (±10%)

Required tubes:
6X4/EZ90 ×1
ECC88/6DJ8/E88CC/6922/6N11 ×2
12AU7/ECC82 ×2

Warm reminder of purchase

Pls plug tube into socket before soldering tube socket to PCB board, That can avoid glass of tube is damaged while plugging in after assembly.

Resistors must be suspended soldered to keep space between resistor and PCB board, Because some resistor would be hot while working,Suspended installation can dissipate the heating quickly and make the amplifier works reliable

This Product Designed For The senior audiophile Who can understand the circuit ,The Assembled Board will be Tested Well Before Sending ,As the knowlege of uses is different ,The incorrect assembly or damage is out of ours product warranty ,We only provide technical service ,Your purchase means you agree this statement

Because purchased components may different when purchasing from supplier, Thus part of the components may have difference with pictures, But the quality and performance would be the same.

This board need you have electronic technology and detectability,it's for senior audiohile whom capable of assembling tube products only.