Description:

A tube amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase amplitude or signal power. Connect this 6J1 tube preamplifier between the sound source and it can effectively filter the digital taste. The tube amplifier produces a warmer or more natural sound of the tubes, makes the music and human voice relatively good.

Features:

Connect 6J1 tube preamplifier between sound source and amplifier, effectively filter digital taste, music and human voice will be relatively good.

Eight 470UF capacitor filters are very clean, excellent power system leads to no hum, filaments are powered by 12V DC and must be connected in series to reduce noise.

The coupling capacitor is an electrotelelectronic capacitor with high frequency and low resistance.

Using the DC 5.5*2.1 socket and 12V AC transformer, you can also use the 12V AC transformer without plug, just weld the power cord to the circuit board.

This kit comes in parts so you can assemble it yourself, enjoy the process of building your own tube amplifier.

Technical data:

Type: 6J1 tube (substitution model 6AK5, 6AU6, 5654 etc. )

Channel Types: 2.0 / Stereo

Voltage Current: AC12V 0.8A or more

Power Interface: 5.5*2.5 plug

Circuit Board Size: 77x75mm/3.03x2.95"

Instruction:

1, 12V AC input: using DC 5.5*2.1 socket and 12V AC transformer, you can also use 12V AC transformer without plug, just weld the power cord to the circuit board. DC power input cannot be used or will not work.

2, sound channel input: connected to mobile phone, computer, MP3, MP4 and many other music players.

3, sound channel output: connected to the audio signal input of the power amplifier.

4, power switch/volume knob: Turn the knob counterclockwise to reduce the volume and continue rotating until you hear the "ticking" sound to turn off. Turn the knob clockwise until you hear a beep to turn on the power and continue turning to increase the volume.

The package includes:

1 x Circuit Board

1x2 W 2,2 Ω Metal foil resistor

6 x 1N4007 high current diodes

Resistors 6x4.7K

2x1K resistors

Resistors 4x47Ω

Resistors 2x2.2K

Resistors 2x470K

Resistors 2x100K

Resistors 2x200Ω

Capacitors 9 x 50 V 470 UF

4 x 50V 1UF monolithic ceramic capacitors

2 transistors D667

2 x B647 transistors

Potentiometer 1x50 K

2x3mm blue LED

1 x DC005 power connector

2 x pipe base

2x6J1 Pipes

2 x RCA base

1 set x bracket and screws

1 x potentiometer cap;

. Tube preamplifier

Please be aware:

This product does not support cash on delivery payment, we will send it after payment, thank you for your understanding.

. Tube preamplifier

Please be aware:

This product does not support cash on delivery payment, we will send it after payment, thank you for your understanding.

. Tube preamplifier