Description:
A valve amp or tube amplifier is a kind of electronic amplifier that uses a vacuum tube to increase signal amplitude or power. This 6J1 tube pre-amplifier can be connected with audio source and power supply.
Filters digital flavors The tube amplifier produces more natural valve sounds than warm and relatively improves music and human voice.
Features:
When you connect an AMP in front of the 6J1 tube between the sound source and the amplifier, it effectively filters the digital
The flavor, music and human voice are relatively good.
8 470UF capacitor filters are very clean, a good power system guides ham, the filament is powered by DC 12V, and must be connected in series to reduce noise.
Coupling capacitors are electrolytic capacitors with high frequency and low resistance.
You can also use the DC 5.5 * 2.1 socket and AC 12V transformer without plug. Power cord must be welded to circuit board.
This kit comes in pieces so you can assemble them together by yourself, enjoy the process of building your own tube amplifier.
Specifications:
Type: 6J1 Tube (Substitute models 6AK5, 6AU6, 5654, etc.)
Channel Type: 2.0 / Stereo
Voltage and current: AC 12V 0.8A or higher
Power Interface: 5.5 * 2.5 Plug
Circuit Board Size: 77 x 75 mm / 3.03 x 2.95 inches
Instructions:
1. AC 12V input: You can also use the AC 12V transformer without plug using DC 5.5 * 2.1 socket and AC 12V transformer. Power cord must be welded to circuit board. The DC power input can be used or not functional.
2, Sound channel input: connected to mobile phone, computer, MP3, MP4, and many other music players.
3, Acoustic Channel Output: Connected to the audio signal input of the power amplifier.
4, Power Switch/Volume Knob: Rotate the knob to lower the volume and continue to rotate until the sound is turned off. Rotate the knob clockwise until sound is turned on, turn on and continue to rotate.
Package included:
1 x PCB board
1 x 2W 2.2 □ Metal film resistor
6 x 1N4007 large current diodes
6 x 4.7K Resistors
2 x 1K Resistors
4 x 47 resistor
2 x 2.2K Resistors
2 x 470K Resistors
2 x 100K Resistors
2 x 200□ Resistor
Capacitor 9 x 50V 470x
4 x 50V 1UF Monolithic Ceramic Capacitors
2D x 667D Transistor
2 x B647 Transistors
1 x 50K potentiometer
2 x 3mm Blue LED
1 x DC005 power connector
2 x Tube Base
2 x 6J1 tubes
2 x RCA bases
1 x Set standoff and screws
1 x Potentiometer Cap