Fosi Audio
⏳Price
$16.93
TOPINCN 6J1 Tube Amplifiers Board Vacuum Electron Tube Valve Preamp Headphone Amp Parts Preamplifier Musical Fidelity DIY Kit Ac12V 0.8A
★★★★★
$16.93
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1
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About this item
- Connect the 6J1 tube pre-amp between sound source and amplifier, it will effectively filter digital flavor, the music and human voice will be relatively good
- Eight 470UF capacitor filter is very clean, excellent power system lead to no hum, filaments are powered with DC 12V and need to be connected in series in order to reduce noise
- Coupling capacitor is electrodeless electrolytic capacitor with high frequency and low resistance
- 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
- Type: 6J1 tube (substitution model 6AK5, 6AU6, 5654 etc.); Channel Types: 2.0 / stereo; Voltage & Current: AC12V 0.8A or above
Product details
Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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