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DIY Kits HIFI 6J1 Electronic Tube Hybrid Power Amplifier Board Headphones Power Amplifiers LM1875T DIY Amplifier Module 20W

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$23.09-6%Bundled Price:$21.71

Product Introduction:
1>. Power Supply Voltage: defaults double AC 18V/3A, power more than 60W (the maximum voltage should be no more than double AC 19V, and it should be no less than 18V; or the digital tube will be off, and the voice will get distorted; if you want to use AC 12V, you need to modify lamp filament buck resistance 2.2 ohm; then the amplifier output power will be relatively low).
2>. Headphone amplifier/pre-output: amplification times is 0.8
3>. Im1875t amplifier output power: typical 20W (max 30W)
4>. Loudspeaker impedance: 4-8 ohm
5>. Total harmonic distortion: <0.04%
6>. Signal noise ratio: 105dB
7>. Frequency response: 14Hz-100KHz

Component List:

NO. Components Silk Screen Parameter QTY
1 Metal Film Resistor R1,R3,R10,R13,R17,R18,R20,R21 4.7K 8
2 Metal Film Resistor R2,R4,R30,R31 1K 4
3 Metal Film Resistor R5-R8 47ohm 4
4 Metal Film Resistor R22,R23 56K 2
5 Metal Film Resistor R11,R14 470K 2
6 Metal Film Resistor R12,R15 200ohm 2
7 Metal Film Resistor R9 3W 47ohm 1
8 Metal Film Resistor R16,R19 100K 2
9 Metal Film Resistor R24,R26,R27,R32 22K 4
10 Metal Film Resistor R25,R28 10ohm 2
11 Electrolytic Capacitor C13,C14 47uf 10V 2
12 Electrolytic Capacitor C1-C4 2200uf 25V 4
13 Electrolytic Capacitor C5-C8 470uf 35V 4
14 Film Capacitor C15,C16 0.1uf 50V 2
15 Film Capacitor C9-C12 1uf 50V 4
16 LM1875T U1,U2 TO-220-5 2
17 D667 Transistor Q1,Q4 TO-92 2
18 D647 Transistor Q2,Q3 TO-92 2
19 Audio Socket J3,J4 3.5mm 2
20 Terminal J1,J2 KF301-2P 2
21 Terminal J5 KF301-3P 1
22 LED D1,D2 3mm 2
23 Rectifier Bridge P1 KBJ608 1
24 Potentiometer RP 50K 1
25 Screw   M3*5mm 2
26 Screw   M3*6mm 2
27 Isolation sheet   M3 2
28 Heat Sink     1
29 Thermal Grease     1
30 Nut     1
31 6J1 Electronic Tube     2
32 6J1 Socket     2
33 T0-220 Insulation film     2
34 PCB     1

Finished Product Picture:

Please Download the Diagram here:
 


I. Tested by ICStation's Outstanding Partner arduinoLab:



Learn More Details in Below Video:
(The language in the video is Russian)


II. Tested by ICStation's Outstanding Partner 12voltvids:

Learn More Details in the Video:
(The language in the video is English)


III. Tested by ICStation's Outstanding Partner Mundo Electrónica:

Learn More Details in the Video:
(The language in the video is Spanish)

Feedback

By
Rating: [5] 5 of 5 Stars! Date Added: 2018-07-21 04:41:02
I bought this kit months ago and I am having trouble finding a transformer for it, so you guys sell one? or can you put a link to one that will work? Thanks
By
Rating: [5] 5 of 5 Stars! Date Added: 2017-08-23 20:41:49
Very nice kits, all complete. The Chinese manual is very good to understand. Anyway it's easy.

First we should say that ICStation doesn't accept any form of pay on delivery.Items used to be shipped after receiving the order info and payment.

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DIY Kits HIFI 6J1 Electronic Tube Hybrid Power Amplifier Board Headphones Power Amplifiers LM1875T DIY Amplifier Module 20W
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