6J1 Valve Preamp, Vacuum Electrom Tube and 49 similar items

6J1 Valve Preamp, Vacuum Electrom Tube Preamp, Valve Preamp Amplifier Board, Description: A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal. Connect this 6J1 tube pre-amplifier between sound source and and it can effectively filter digital flavor. Tube amplifier produces a warmer or more natural valve sound, make music and human voice is relatively good. Specifications: Type: 6J1 tube (substitution model 6AK5, 6AU6, 5654 etc.) Channel Types: 2.0 / stereo Voltage Current: AC12V 0.8A or above Power Interface: 5.5 * 2.5 plug Circuit Board Size: 77 x 75mm / 3.03 x 2.95" Instruction: 1, AC 12V Input: using DC 5.5*2.1 socket and AC 12V transformer, you can also use AC 12V transformer without plug, just need to weld the power cord onto the circuit board. DC power input can not be used, or it 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 power amplifier. 4, Power Switch/Volume Knob: Rotate the knob anticlockwise to turn down volume, and continue rotating until you hear the sound "tick" to power off. Rotate the knob clockwise until you hear the sound "tick" to power on and continue rotating to turn up volume. Package Includes: 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? Resistors 2 x 2.2K Resistors 2 x 470K Resistors 2 x 100K Resistors 2 x 200? Resistors 9 x 50V 470UF Capacitors 4 x 50V 1UF Monolithic Ceramic Capacitors 2 x D667 Transistors 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 Base 1 set x Standoff and Screws 1 x Potentiometer Cap Product Features ? Application ?- Connect the 6J1 tube pre-amp between sound source and amplifier, it will effectively filter digital flavor. Tube amplifier produces a warmer or more natural valve sound, make music and human voice is relatively good. ? ?Function? - Using DC 5.5 * 2.5 socket and AC 12V transformer, you can also use AC 12V transformer without plug, just need to weld the power cord onto the circuit board. ? ?9 Pcs? -9 Pcs 50V 470UF capacitor filter is very clean, excellent power system lead to no hum, filaments are powered with AC 12V and need to be connected in series in order to reduce noise. ? ?Feature? -Excellent power supply system to ensure that the Nine 470UF capacitor filter clean, tube filament is connected in series, DC 12V power supply, reducing noise. ? ?Electrodeless? -Coupling capacitor is electrodeless electrolytic. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!